4runner wiring diagram

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  • 8/9/2019 4runner wiring diagram

    1/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    1 2 3

    1 4RUNNER

    2

    30AAM2

    2

    7

    ACC

    IG1

    IG2

    ST2

    AM1

    8

    AM2

    B

    R

    R

    Battery

    1

    2

    I18

    2

    1

    3

    5

    2 2

    2 2

    1 B1A

    B B

    B A

    EB Front LeftFender

    S 2 (A), S 3 (B)

    D2 IC4

    D

    11 IM1

    9

    6

    P

    N

    7. 5ASTANO. 2

    1D3

    1K2

    B-R (2UZ- FE )B-L(*1)

    W (*2)

    G-B

    R B- Y

    Y - G

    Y - G ( 2 U Z -F E )

    Y ( 1 GR -F E )

    W-B

    W-B

    B -Y

    B -Y

    B -Y

    B -Y

    B -Y

    L -Y

    L -Y

    P

    * 1 : 1GR- FE Cold Area Spec.* 2 : 1GR- FE Except Cold Area Spec.

    STA Relay

    J 2 ( A ) , J

    3 ( B )

    J35

    J28

    P 1

    C om b i n a t i onM

    e t er

    < 3 1 -4 >E n gi n e

    C on t r ol

    M o d ul e

    < 5 -1 2 > < 5 -1 4 >

    < 6 -1 4 >

    Pow er S ource S tarting

    Ignition SW

    JunctionConnector

    J un c t i on C onn e c t or

    JunctionConnector

    P ar k / N e u t r al

    P o s i t i on S W

    Starter

    4 EA1EA16 (2UZ-FE )

    (1GR- FE )

    DA

    (2UZ- FE )(1GR-FE )A

    B -Y

    DA

    4 IM2IM26 (2UZ-FE )

    (1GR- FE )

    G

    G G

  • 8/9/2019 4runner wiring diagram

    2/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    2 4 R U N N E R

    2

    3 0 A

    A M 2

    2

    7

    I G 2

    S T 2

    A M 2

    6

    1 2

    Battery

    1

    4

    3

    2

    B-R

    W- B R- Y

    LG

    R-Y

    I 1

    I 1 8

    1

    4

    3

    2R-W

    LG- B

    R-WW-B

    B-R

    I 2

    1

    4

    3

    2

    L- W

    R-WW-B

    B-R

    I 3

    1

    4

    3

    2

    L-Y

    R-YW-B

    B-R

    I 4

    1

    4

    3

    2

    B-L

    R-WW-B

    B-R

    I 5

    1

    4

    3

    2

    G

    R-YW-B

    B-R

    I 6

    1

    4

    3

    2

    G-W

    R-YW-B

    B-R

    I 7

    1

    4

    3

    2

    G-B

    R-WW-B

    B-R

    I 8

    B - R

    B - R

    B - R

    W - B

    W - B

    W - B

    W - B

    W - B

    W - B

    R - W

    R - Y

    R - W

    R - Y

    R - W

    E D

    L e f t B a n k

    C y l

    i n d e r H e a

    d

    E E

    R e a r S

    i d e o f

    R i g h t B a n k

    C y l

    i n d e r

    B l o c

    k

    1 2

    N 1

    B- R BR

    W-B

    BR

    E n g i n e

    C o n

    t r o l M o d u l e

    < 5 - 1 3 > <

    5 - 1 4 >

    B - R

    P o w e r

    S o u r c e

    I g n

    i t i o n

    ( 2 U Z - F E )

    W-B

    Ignition Coiland Igniter No. 1

    Ignition Coil andIgniter No. 2

    Ignition Coil andIgniter No. 3

    Ignition Coil andIgniter No. 4

    Ignition Coil andIgniter No. 5

    Ignition Coil andIgniter No. 6

    Ignition Coil andIgniter No. 7

    Ignition Coil andIgniter No. 8

    I g n i

    t i o n

    S W

    Noise Filter(Ignition No. 1 )

    6 E B 1

    4 E A 1

    E C

    R i g h t B a n k

    C y l

    i n d e r H e a

    d

    1 2

    N 2

    B- R BR

    Noise Filter(Ignition No. 2 )

    B- R B- R

    B - R

    B - R

    B - R

    B - R

    B - R

  • 8/9/2019 4runner wiring diagram

    3/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    1 2 3

    3 4RUNNER

    2

    30AAM2

    2

    7 IG2

    ST2

    AM2 6

    1

    2

    Battery

    1D6

    1H4

    13 I M1

    1 4

    3 2

    B -R

    W-B

    W-R

    Y -R

    W-R

    B -R

    I18

    1 4

    3 2

    P -L

    W-R

    W-B

    B -R

    1 4

    3 2

    L GW-R

    W-B

    B -R

    1 4

    3 2

    L G-B

    W-R

    W-B

    B -R

    1

    3

    GR

    B -R

    B- R B- R B- RB-R

    W- B W- B W- B

    W-RW-R

    EF Rear Side ofLeft BankCylinder Block

    1

    2N 1

    B -R

    W-B

    B

    R

    Engine Control Module

    B -R

    B-R

    P ow e r S ource Ign ition (1 G R - F E )

    I 1 I 2 I 3 I 4 I 5

    W- R W- R

    W-B

    W-B

    W-B

    B-R

    I gni t i on C oi l an d

    I gni t er N o.1

    I gni t i on C oi l an d

    I gni t er N o.2

    I gni t i on C oi l an d

    I gni t er N o. 3

    I gni t i on C oi l an d

    I gni t er N o.4

    I gni t i on C oi l an d

    I gni t er N o. 5

    Ignition SW

    N oi s eF i l t er

    ( I gni t i onN

    o.1 )

  • 8/9/2019 4runner wiring diagram

    4/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    4 4 R U N N E R

    P o w e r

    S o u r c e

    C h a r g

    i n g

    2 7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    4 6

    A M 2

    50A AM1 140A ALT

    30A AM2

    7. 5A ALT- S

    15A IG1

    7. 5A GAUGE

    2

    2

    2

    1 G

    4

    1 E

    2 0

    2

    2

    1 D

    6

    1 C

    2

    2

    2

    E B

    A

    A

    A A

    1 B S

    4 B 2 B 1 A L I G B

    D 6

    I C 4

    G

    B

    G

    A

    E E D D

    8

    D

    1 5

    C

    B

    2 2

    2

    2

    1

    1

    1

    1

    B o d y E C U

    < 7 - 3

    9 >

    W

    W-L

    R

    W

    W

    GRGR

    GRGR

    R- L GR

    Y-RY-RY-R

    GR

    W

    GR

    B

    Y - R

    W

    B - R

    L - Y

    W - L R

    W

    I 1 8

    J 1

    J 1

    G 1 ( A ) , G

    2 ( B )

    J 1 8 ( A ) , J 1 9 ( B )

    J 8 ( A ) , J 9 ( B )

    B a t t e r y

    Y-R

    Charge C 1 0 ( C ) , C 1 1 ( D )

    C o m

    b i n a

    t i o n

    M e t e r

    G e n e r a t o r

    I g n i

    t i o n

    S W

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    1 E A 1

    E A 1

    2

    3

    E A 1

    E A 1

    5

    ( * 1 )

    ( * 2 )

    2 E A 1

    E A 1

    3

    ( * 1 )

    ( * 2 )

    * 2 : 1 G

    R - F

    E

    * 1 : 2 U

    Z - F E

  • 8/9/2019 4runner wiring diagram

    5/82

  • 8/9/2019 4runner wiring diagram

    6/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    5 4 R U N N E R

    ( C o n

    t . n e x t p a g e

    )

    E n g i n e

    C o n

    t r o

    l ( 2 U Z -

    F E )

    1 0 A

    E C U - B

    2 2 2 1

    2

    1 0 A

    E T C S

    2 2 1

    2 0 A

    E F I

    2 2 1

    7 . 5 A

    O B D

    2 2 1

    1 4 0 A

    A L T

    2

    2

    3 0 A

    A M 2

    2 1

    2 2 1

    1 2

    7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    6

    A M 2

    1 0 A

    I G N

    1 D

    5

    W

    GR

    L

    R

    W-R

    I 1 8

    B

    B a t t e r y

    2

    1 J

    1 1

    1 E

    2 3

    B

    2 1

    3 5

    2 1

    3 5

    2

    2

    2

    2

    2

    2

    2

    2

    C 4 I C 4

    1 0 A

    E F I

    N O

    . 2

    2 2

    E B

    F r o n

    t L e f

    t

    F e n d e r

    A A

    N M G

    A

    B B

    A B C D E F I

    C 1 5 I C 4

    C 3 I C 4

    L K

    I C 4

    C 1 7

    H

    B-O

    B-O

    B-R

    W-G

    L

    BB

    B

    GR- B

    B-W

    B

    W- B

    B

    W - R G

    R B - R

    B - O

    R - L O L

    W - G

    B - W G

    R - B B B

    L - W

    W-B

    O

    L

    W - G

    J 2

    E F I

    R e l a y

    C / O P N

    R e l a y

    J 4

    L-W

    B

    I B 2 1

    I C 3

    1 7

    L-W

    L-W

    L

    B-O

    C CJ 4

    B-O

    2 1

    Short Pin

    7 . 5 A

    A C C

    1 K

    8

    R-L

    I g n i

    t i o n

    S W

    JunctionConnector

    JunctionConnector

    J u n c

    t i o n

    C o n n e c

    t o r

    P o w e r

    S o u r c e

    1 E A 1

    B - R

    B-R

    2 2 1

    5 0 A

    A M 1

    7 . 5 A

    G A U G E

    1 D

    6 1 G

    4

    3

    2

    W - L

    W - G

    W-G 3 E

    F 3 E

    F 5 I C 3 2

    2

    4 3

    1 2 2

    2

    I C 3

    1 6

    I M 2 5

    J

    W - G

    PPP

    L

    W - G

    W - G

    W - G

    W - G

    A i r C o n

    d i t i o n i n g

    S y s

    t e m

    < 3 2 - 4 >

    T O Y O T A P a r k

    i n g

    A s s

    i s t S y s

    t e m

    < 2 8 - 2 > R a d

    i o a n

    d P l a y e r

    S y s t e m

    < 2 8 - 2 > <

    2 9 - 2 > <

    3 0 - 2 >

    N a v

    i g a t

    i o n

    S y s

    t e m

    < 2 8 - 2 >

    R e m o t e

    C o n

    t r o l M i r r o r

    S y s t e m

    < 2 4 - 3 >

    L

    A C C C U T

    R e l a y

  • 8/9/2019 4runner wiring diagram

    7/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    5 6 7

    5 4RUNNER (Cont’ d )

    F

    E

    D

    C

    B

    A

    G

    M

    N

    I

    L

    K

    H

    W-R

    GR

    B-R

    B-O

    R-L

    O

    L

    W-G

    B-W

    GR- B

    B

    B

    L-W

    1

    2

    5

    3

    4

    2 2

    2 2 2

    1

    2

    IB12

    5

    4

    MD5 IC4

    19 IM2

    B -R

    B -R

    A B A B

    A A

    BORearPillarLH

    BLFloor SeatCrossmember LH

    J40(A), J41 (B)

    9 IM2

    EFRear Sideof Left BankCylinderBlock

    IG Left KickPanel

    E

    A

    16 O

    O

    F B

    H A H A H A

    C A C A

    C B

    G A G A G A

    G B G B

    S u s p en s i on

    C on t r ol

    E C U <1 8 - 3 >

    3CC 3CC

    A B

    E A

    3CC

    3AA

    3AA 3A

    F A

    H B

    Skid ControlECU

    FUELPUMPRelay

    G-R

    B -Y

    G-R

    G-R

    B- R B- R

    W-B

    W-B

    W-B

    B R

    W-B

    B R W-B

    B R

    5 4 15

    B-W

    F 8

    F14

    J 5

    13

    J22

    R -W

    P -L P -L

    P -L

    J 1 8 ( A ) , J 1 9 ( B )

    14 7R -B

    R -Y

    R -Y

    R -Y

    R -Y

    R -Y

    R -B

    R -B

    R -Y

    J 1 8 ( A ) , J 1 9 ( B )

    P -L

    P-L

    Body ECU

    AirbagSensorAssembly

    SuspensionControlECU

    BATT

    SG CG WFSE TS SIL

    TC

    S k i d

    C on t r ol

    E C U <1 5 - 8 >

    P-L

    A i r b a g

    S en s or

    A s s em b l y

    <2 0 -4 >

    D 1

    Engine Control (2 UZ - F E )

    W-B

    E

    C14 IC4

    Data Link Connector 3

    Fuel Pump

    Fuel PumpResistor

    JunctionConnector

    JunctionConnector

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    JunctionConnector

    JW-G

  • 8/9/2019 4runner wiring diagram

    8/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    9 10 11

    5 4RUNNER (Cont’ d )

    A

    B

    G

    H

    C

    D

    F

    E

    B

    B

    L-W

    W-R

    B-R

    B-OR-L

    R-Y

    15 C

    7 A

    11 E

    B A B A

    B B

    9 E

    2

    1

    A

    A

    1 A

    A

    R -L

    R -L

    I 9

    B -R

    J 2 6

    2

    1

    2 A

    L

    I 1 0

    B -R B -R

    I 1 1

    W

    A3

    1

    2 2

    1

    4 A

    Y

    I 1 2

    B -R B -R

    I 1 3

    G

    A5

    1

    2 2

    1

    3 B

    R

    I 1 4

    B -R

    A B A B

    C A

    1 E 2 E

    2

    1

    C3 IE1

    17 IM2

    27 A

    J31(A), J32 (B)

    V 1 0

    B B

    R - G

    R - G

    R - G

    2

    1

    34 A 21 E

    10 BC2

    A10 IE1

    22 IM2

    A17 IE1

    16 BC2

    7 IM2

    A16 IE1

    8 BC2

    B

    B

    5

    18 A 21 A

    6

    Y

    31 A

    4

    R -B

    3 C

    2

    R

    2 C

    1

    G

    17 C

    3

    B R

    L -R B R O

    O B R L -R

    L -R B R

    B R

    L -R

    B

    2 1 3

    V 819 A

    E 4(A), E 5 (B), E 6 (C), E 7(D), E 8(E)

    EE

    B- R B- R B- R B- R B- R B- R

    R -L

    R-L

    M al f un c t i on

    I n d i c a t or

    L am p

    C 8 ( A ) , C 1 0 ( C )

    J 3 1 ( A ) , J 3 2 ( B )

    B

    B

    J 8B - O

    B - OB - O

    R -B

    B - O

    C om b i n a t i on

    M e t er < 3 1 -4 >

    W IGSW #1 #2 #3 #4 # 5 #6

    V 2

    +B +B2 CCV PRG PTNK

    IM218

    L-W

    Y -R O

    L -W

    J 2 6 PTNK GND VCC

    VC VTA1 VTA2 M+ M-

    E2T 2

    VC VTA1 VTA2 M+ M- GE01

    ( S h i el d e d )

    B-R

    J28

    BR

    THW

    BR

    1

    2

    Engine Control (2 UZ - F E )

    L -R

    L -R

    R -L

    C om b i n a t i onM

    e t er

    Engine Control Module

    I n j e c t or N o.1

    I n j e c t or N o.2

    I n j e c t or N o. 3

    I n j e c t or N o.4

    I n j e c t or N o. 5

    I n j e c t or N o. 6

    JunctionConnector

    JunctionConnector

    J un c t i on C onn e c t or

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    Junction Connector

    Throttle Control MotorThrottle Position Sensor

    Vapor Pressure Sensor

    V S V

    ( C ani s t er

    C l o s e d V al v e )

    V S V

    ( E V A P )

    EB13

  • 8/9/2019 4runner wiring diagram

    9/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    13 14 15

    5 4RUNNER (Cont’ d )

    33 B 22 B

    1 3

    2 4

    BRD

    A

    B

    W-R

    R-Y

    CB-O

    Engine Control (2 UZ - F E )

    HT2A OX2A

    HT OX

    +B E1

    B -L

    G

    L -W

    H 7

    23 B 4 B

    3 1

    2 4

    OX1A HT1A

    OX HT

    +B E1

    R L G

    L -W B R

    H 5

    25 B 21 B

    1 3

    2 4

    HT2B OX2B

    HT OX

    +B E1

    P W

    L -W B R

    H 8

    29 B 5 B

    3 1

    2 4

    OX1B HT1B

    OX HT

    +B E1

    B G-Y

    L -W B R

    H 6

    B R B R

    EF Rear Side ofLeft BankCylinder Block

    C

    C

    C

    25 CNE+

    L

    24 CNE-

    Y B

    32 CG2-

    W

    C 4

    C 1

    BR

    BR

    BR

    L- W

    BRBR

    9 AIGT1

    L G

    8 AIGT2

    L G-B

    25 AIGT3

    L -W

    11 AIGT4

    L -Y

    12 AIGT5

    B -L

    26 AIGT6

    G

    13 AIGT7

    G-W

    12 CSTSW

    L -Y

    17 ASTA

    B -Y

    23 CLCKI

    R -Y

    2 DACMG

    B -Y

    14 DTHWO

    L -B

    31 DA/CS

    B R -B

    GR - G

    THED32 33 D

    ACLD

    B -R

    A/C ControlAssembly

    Ignition Coil and Igniters

    S T A N O.2 F u s e

    <1 - 3 > S T A

    R el a y

    <1 - 3 >

    A / C L o c k

    S en s or

    < 3 2 - 3 >

    M G C L T R el a y

    < 3 2 - 3 >

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    B R

    E 4 (A), E 5(B), E 6 (C), E 7 (D), E 8(E)

    2 2

    1 1

    B R

    BR

    10 AIGT8

    G-B

    24 AIGF1

    R -Y

    23 AIGF2

    R -W

    B R

    E EE

    EJ28

    27 CG2+

    J28

    C

    C

    C am s h af t P o s i t i on

    S en s or

    C r ank s h af t P

    o s i t i on

    S en s or

    Engine Control Module

    H e a t e d Ox y g en

    S en s or

    ( B ank 1

    S en s or 1 )

    H e a t e d Ox y g en

    S en s or

    ( B ank 1

    S en s or 2 )

    H e a t e d Ox y g en

    S en s or

    ( B ank 2

    S en s or 1 )

    H e a t e d Ox y g en

    S en s or

    ( B ank 2

    S en s or 2 )

    Junction Connector

    JunctionConnector

  • 8/9/2019 4runner wiring diagram

    10/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1 7

    1 8

    1 9

    2 0

    5 4 R U N N E R ( C o n

    t ’ d )

    A B C

    W - R

    R - Y

    B - O

    E E

    R e a r S

    i d e o f

    R i g h t B a n

    k

    C y l

    i n d e r

    B l o c

    k 6 A

    7 A

    7 C

    4 C

    1 C

    8 B E

    F

    R e a r

    S i d e o f

    L e f

    t B a n

    k

    C y l

    i n d e r B

    l o c k

    C

    C C

    BR

    BR BR

    W-B

    W-B

    W-B

    W-B

    C B

    C B

    B A

    B A

    1 D I K

    R i g h

    t K i c k

    P a n e

    l

    1 5 E

    2 6 D

    2 7 D

    1 0G-Y

    W-B

    4R-B

    6

    7

    1 4

    3 F

    B 3 F

    B

    3 F

    B

    I I

    I n s t r u m e n

    t P a n e l

    B r a c e

    R H

    A

    A

    A

    J37

    5 7 3V- W W- B

    W-B

    W-B

    W - B

    1

    4

    5

    7

    8

    1 1

    1 2

    1 3

    GR- B

    P-G

    LG- R

    L

    V C 5

    C O D E

    T X C T

    G N D

    2

    9

    1

    I G

    D

    + B

    V C 5

    C O D E

    T X C T

    A G N D

    E F I O

    E F I I

    G N D

    K S W

    C T Y

    I N D

    J 2 4

    L P G N D

    T 8

    E n g

    i n e

    I m m o

    b i l i s e r

    S y s

    t e m

    ( 2 U Z -

    F E )

    E n g

    i n e

    C o n

    t r o

    l ( 2 U Z -

    F E )

    (4WD)

    J26

    W-B

    W-B

    W-B

    W-B

    D 3

    Door Courtesy SWFront LH

    Unlock Warning SW

    B-O

    R-Y

    W-R

    I M I

    I M O

    E 0 1

    E 0 2

    E 0 3

    M E 0 1

    E 1

    4 W D

    H P

    E O M

    1 7 D

    V-R

    1 B

    4 1 L

    4 3 E

    B 3 E

    B

    W- R W- R

    5 EB-W

    1 4 ELAirbag Sensor

    Assembly

    4 D

    W-L4WD Control ECU

    1 9 D

    G-YStop Light SW

    1 7 EP

    2 4 E

    R

    3 0 EW

    2 5 E

    B

    3 1 EY

    CombinationMeter

    S k i d C o n t r o

    l E C U

    < 1 5 - 4 >

    (4WD)

    E 4 ( A ) , E

    5 ( B )

    , E 6 ( C ) , E 7 ( D ) , E 8 ( E )

    W - R

    L - R

    J33 (A), J34 (B)

    S P D

    T A C H

    F / P S

    L 4

    S T P

    N E O

    E N G +

    E N G -

    T R C +

    T R C -

    B-W

    G A

    F B

    J31(A), J32 (B)

    S e c u r

    i t y I n d i c a

    t o r L

    i g h t

    E n g i n e C o n

    t r o l M o d u l e

    T r a n s p o n

    d e r K e y

    A m p l

    i f i e r

    J u n c

    t i o n

    C o n n e c t o r

    JunctionConnector

    JunctionConnector

    JunctionConnector

    JunctionConnector

    Transponder KeyComputer

    I 1 7

  • 8/9/2019 4runner wiring diagram

    11/82

    2003 4RUNNER (EWD514U)

    Memo

  • 8/9/2019 4runner wiring diagram

    12/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    6 4 R U N N E R

    ( C o n

    t . n e x t p a g e

    )

    E n g i n e

    C o n

    t r o

    l ( 1 G R -

    F E )

    10A ECU- B

    2 2 2 1

    2

    10A ETCS

    2 2 1

    2 0 A

    E F I

    2 2 1

    7. 5A OBD

    2 2 1

    1 4 0 A

    A L T

    2

    2

    3 0 A

    A M 2

    2 1

    2 2 1

    1 2

    7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    6

    A M 2

    1 0 A

    I G N

    1 H

    3

    1 D

    6

    W

    GR

    L

    R

    W-R

    I 1 8

    B

    B a t

    t e r y

    2

    1 J

    1 1

    1 E

    2 3

    B

    2 1

    3 5

    2 1

    3 5

    2

    2

    2

    2

    2

    2

    2

    2

    C 4 I C 4

    E B

    F r o n

    t L e f

    t

    F e n d e r

    N M G

    B B

    A B C D E F I

    C 1 5 I C 4

    C 3 I C 4

    L K

    I C 4

    C 1 7

    H

    B-O

    B-O

    B-R

    B-R

    W-G

    L

    B

    B

    GR- B

    B-W

    B

    W-B

    B

    W - R G

    R B - R

    B - O

    R - L O L

    W - G

    B - W G

    R - B B B W

    W-B

    O

    L

    W - G

    J 2

    E F I

    R e l a y

    C / O P N

    R e l a y B

    I B 2 1

    I M 1 4

    L

    B-O

    C CJ 4

    B-O

    Short Pin

    7 . 5 A

    G A U G E

    1 G

    4

    R-L

    15A A/F HEATER

    2 2 1

    B-R

    B

    B

    B

    3 5

    2 1 2

    2

    2

    2

    A / F

    H E A T E R

    R e l a y

    B J 4

    W - G

    W - G

    B-R

    W-B

    C 1 I C 4W

    B

    W

    I g n i

    t i o n

    S W

    JunctionConnector

    J u n c

    t i o n

    C o n n e c t o r J u

    n c t i o n

    C o n n e c t o r

    P o w e r

    S o u r c e

    50A AM1

    2

    2

    W - L

    L

    7 . 5 A

    A C C

    1 D

    5 1 K

    8 3 E

    F 3 E

    F 5 I C 3

    4 3

    1 2

    2

    2

    2

    2

    I C 3

    1 6

    I M 2 5

    J

    W - G

    A C C

    C U T

    R e l a y

    W - G

    W - G

    W - G

    W - G

    3

    P P P

    L

    W-G

    R a d

    i o a n d

    P l a y e r

    S y s

    t e m

    < 2 8 - 2 > <

    2 9 - 2 > <

    3 0 - 2 >

    A i r

    C o n d

    i t i o n

    i n g

    S y s

    t e m

    < 3 2 - 4 >

    T O Y O T A P a r k i n g

    A s s i s t

    S y s t e m

    < 2 8 - 2 > N

    a v i g a t i o n

    S y s t e m

    < 2 8 - 2 >

    R e m o t e

    C o n t r o l M i r r o r

    S y s

    t e m

    < 2 4 - 3 >

    2 1

  • 8/9/2019 4runner wiring diagram

    13/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    5 6 7

    6 4RUNNER (Cont’ d )

    F

    E

    D

    C

    B

    A

    G

    M

    N

    I

    L

    K

    H

    W-R

    GR

    B-R

    B-O

    R-L

    O

    L

    W-G

    B-W

    GR- B

    B

    B

    W

    1

    2

    5

    3

    4

    2 2

    2 2 2

    1

    2

    IB12

    5

    4

    MD5 IC4

    19 IM2

    B -R

    B -R

    A B A B

    A A

    BORearPillarLH

    BLFloor SeatCrossmember LH

    J40(A), J41 (B)

    9 IM2

    EFRear Side ofLeft BankCylinderBlock

    IG Left KickPanel

    E

    A

    16 O

    O

    F B

    H A H A

    C A

    C B

    G A G A

    G B G B

    3CC 3CC

    A B

    E A

    3CC

    3AA

    3AA 3AA

    F A

    H B

    Skid ControlECU

    FUELPUMPRelay

    Y -B B -Y

    Y -B

    Y -B

    B- R B- R

    W-B

    W-B

    W-B

    B R

    W-B

    B R W-B

    B R

    5 4 15

    B-W

    F 8

    F14

    J 5

    13

    J22

    R -W

    P -L P -L

    J 1 8 ( A ) , J 1 9 ( B )

    14 7

    R -B

    R -Y

    R -Y

    R -Y

    R -Y

    R -B

    R -Y

    R -Y

    J 1 8 ( A ) , J 1 9 ( B )

    J 2 9 ( A ) , J 3 0 ( B )

    P -L P -L

    Body ECU

    AirbagSensorAssembly

    J35

    BATT

    SG CG WFSE TS SIL

    TC

    S k i d C on t r ol

    E C U

    <1 5 - 8 >

    P-L

    A i r b a g

    S en s or

    A s s em b l y

    <2 0 -4 >

    D 1

    Engine C ontrol (1 G R - F E )

    W-B

    E

    P-L

    9

    B -W

    TAC

    CombinationMeter

    C14 IC4

    Data Link Connector 3

    Fuel Pump

    Fuel PumpResistor

    Junction Connector

    JunctionConnector

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    JuncCon

    J un c t i on

    C onn e c t or

    JunctionConnector

    JW-G

  • 8/9/2019 4runner wiring diagram

    14/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    9 10 11

    6 4RUNNER (Cont’ d )

    A

    B

    G

    H

    C

    D

    F

    E

    B

    B

    W

    W-R

    B-RB-O

    R-L

    R-Y

    15 C

    7 A

    11 E

    B A B A

    B B

    9 E

    1

    2

    D

    D

    1 A

    D

    R -L

    R -L

    IM15

    I 9

    B -R

    J 2 7

    1

    2

    2 A

    B

    I 1 0

    B -R B -R

    I 1 1

    R

    A3

    2

    1 1

    2

    4 A

    G

    I 1 2

    B -R B -R

    I 1 3

    Y

    A5

    2

    1 1

    2

    3 B

    L

    I 1 4

    B -R

    A B A B

    C A

    1 E 2 E

    2

    1

    C3 IE1

    17 IM2

    27 A

    V 1 0

    B B

    R - G

    R - G

    R - G

    1

    2

    34 A 21 E

    10 BC2

    A10 IE1

    22 IM2

    A17 IE1

    16 BC2

    7 IM2

    A16 IE1

    8 BC2

    B

    B

    5

    18 A 21 A

    6

    G-B

    31 A

    4

    G-W

    3 C

    2

    P

    2 C

    1

    L

    17 C

    3

    B R

    L -R B R O

    O B R L -R

    L -R B R

    B R

    L -R

    B

    2 1 3

    V 819 A

    E 4(A), E 5 (B), E 6(C), E 7 (D), E 8 (E)

    B- R B- R B- R B- R

    R -L

    B-L

    M al f un c t i on

    I n d i c a t or

    L am p

    C 8 ( A ) , C 1 0 ( C )

    J 3 1 ( A ) , J 3 2 ( B )

    B

    B

    J 8B - O

    B - O

    B - O

    R -B

    B - O

    C om b i n a t i on

    M e t er

    < 3 1 -4 >

    W IGSW #10 # 20 #30 #40 #50 #60

    +B +B1 CCV EVP1 PTNK

    G-Y

    O

    B

    J 2 7 PTNK GND VCC

    VC VTA1 VTA2 M+ M-

    E2T 2

    VC VTA1 VTA2 M+ M- GE01

    ( S h i el d e d )

    B-R

    BR

    THW

    BR

    1

    2

    Engine C ontrol (1 G R - F E )

    L -R

    L -R

    R -L

    J 3 1 ( A ) , J 3 2 ( B ) C A

    12 IM1

    V 2

    1

    2

    15 AACIS

    W-L

    B

    V 1

    B

    B

    B

    1

    2

    16 C

    OC1+

    G-Y

    B

    C om b i n a t i onM

    e t er

    Engine Control Module

    I n j e c t or N o.1

    I n j e c t or N o.2

    I n j e c t or N o. 3

    I n j e c t or N o.4

    I n j e c t or N o. 5

    I n j e c t or N o. 6

    JunctionConnector

    J un c t i on

    C onn e c t or

    J un c t i on C onn e c t or

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    Throttle Control MotorThrottle Position Sensor

    Vapor Pressure Sensor

    V S V

    ( A C I S )

    V S V

    ( C ani s t er

    C l o s e d V al v e )

    V S V ( E V A P )

  • 8/9/2019 4runner wiring diagram

    15/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    13 14 15

    6 4RUNNER (Cont’ d )

    23 B 31 B

    3 4

    1 2

    BRD

    A

    B

    W-R

    R-Y

    CB-O

    Engine C ontrol (1 G R - F E )

    AFL+ AFL-

    AF+ AF-

    HT +B

    Y B R

    B -W W

    A 1 3

    22 B 30 B

    3 4

    2 1

    AFR+ AFR-

    AF+ AF-

    +B HT

    P L

    WR -L

    A 1 2

    33 B 29 B

    1 3

    2 4

    HT2B OX2B

    HT OX

    +B E1

    L B

    B B R

    H 8

    21 B 25 B

    3 1

    2 4

    OX1B HT1B

    OX HT

    +B E1

    W G

    B B R

    H 6

    B R B R

    EERear Side ofRight BankCylinder Block

    F

    F

    F

    24 CNE-

    W

    25 CNE+

    B

    C 4

    BR

    BR

    BR

    B

    BRBR

    8 AIGT1

    Y -R

    9 AIGT2

    P -L

    10 AIGT3

    L G

    11 AIGT4

    L G-B

    12 AIGT5

    GR

    13 AIGT6

    L

    24 AIGF

    W-R

    16 ANSW

    P

    17 ASTA

    B -Y

    23 CLCKI

    R -Y

    2 DACMG

    B -Y

    14 DTHWO

    L -B

    31 DA/CS

    B R -B

    GR - G

    THED32 33 D

    ACLD

    B -R

    A/C ControlAssembly

    Ignition Coil and Igniters

    P ar k / N e u t r al

    P o s i t i on S W <1 -2 >

    S T A R

    el a y

    <1 - 3 >

    A / C L o c k

    S en s or

    < 3 2 - 3 >

    M G C L T R el a y

    < 3 2 - 3 >

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    ( S h i el d e d )

    BR

    E 4 (A), E 5(B), E 6 (C), E 7 (D), E 8(E)

    1

    2

    BR

    E

    F

    A

    AA J 2 7

    4 BHAFL

    B -W

    B

    W

    B

    V 4

    2

    1

    27 C

    ( S h i el d e d )

    R G

    VV1+

    B R

    BR

    J28

    BR

    W

    5 BHAFR

    R -L

    A i r F u el R

    a t i o S en s or

    ( B ank 2

    S en s or 1 )

    A i r F u el R

    a t i o S en s or

    ( B ank 1

    S en s or 1 )

    C r ank s h af t

    P o s i t i on S en s or

    Engine Control Module

    H e a t e d Ox y g en

    S en s or

    ( B ank 2

    S en s or 2 )

    H e a t e d Ox y g en

    S en s or

    ( B ank 1

    S en s or 2 )

    JunctionConnector

    J un c t i on

    C onn e c t or

    V V T

    S en s or R H

    12 CSTSW

    L -Y

    S T A N

    O.2 F u s e <1 - 3 >

    P

    DD

    9 BSTAR

    P

    D

    J un c t i on

    C onn e c t or

    J 2 8

  • 8/9/2019 4runner wiring diagram

    16/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1 7

    1 8

    1 9

    2 0

    6 4 R U N N E R ( C o n

    t ’ d )

    A B C

    W - R

    R - Y

    B - O

    E E

    R e a r S

    i d e o f

    R i g h t B a n k

    C y l

    i n d e r B

    l o c k

    6 B

    7 B

    7 C

    4 C W-B

    W-B

    W-B

    W-B

    C B

    C B

    B A

    B A

    1 D I K

    R i g h t K i c k

    P a n e l

    1 5 E

    2 6 D

    2 7 D

    1 0G-Y

    W-B

    4R-B

    6

    7

    1 4

    3 F

    B 3 F

    B

    3 F

    B

    I I

    I n s t r u m e n

    t P a n e l

    B r a c e

    R H

    A

    A

    A

    J37

    5 7 3V- W W- B

    W-B

    W-B

    W - B

    1

    4

    5

    7

    8

    1 1

    1 2

    1 3

    GR- B

    P-G

    LG- R

    L

    V C 5

    C O D E

    T X C T

    G N D

    2

    9

    1

    I G

    D

    + B

    V C 5

    C O D E

    T X C T

    A G N D

    E F I O

    E F I I

    G N D

    K S W

    C T Y

    I N D

    J 2 4

    L P G N D

    T 8

    E n g

    i n e

    I m m o

    b i l i s e r

    S y s t e m

    ( 1 G R -

    F E )

    E n g

    i n e

    C o n

    t r o

    l ( 1 G R -

    F E )

    W-B

    W-B

    W-B

    W-B

    D 3

    Door Courtesy SWFront LH

    Unlock Warning SW

    B-O

    R-Y

    W-R

    I M I

    I M O

    E 0 4

    E 0 5

    E 0 3

    M E 0 1

    H P

    E O M

    1 7 D

    V-R

    1 B

    4 1 L

    4 3 E

    B 3 E

    B

    W- R W- R

    5 E

    B-W

    1 4 E

    LAirbag SensorAssembly

    4 D

    W-L4WD Control ECU

    1 9 D

    G-YStop Light SW

    1 7 E

    P

    2 4 ER

    3 0 E

    W

    2 5 EB

    3 1 E

    Y

    CombinationMeter

    S k i d C o n

    t r o l E C U

    < 1 5 - 4 >

    (4WD)

    E 4 ( A )

    , E 5 ( B ) , E 6 ( C ) , E 7 ( D ) , E 8 ( E )

    W - R

    L - R

    J33 (A), J34 (B)

    S P D

    T A C H

    F / P S

    L 4

    S T P

    N E O

    E N G +

    E N G -

    T R C +

    T R C -

    8 B

    GRADD Actuator (4WD) 4

    W D

    E F A 7

    6 A

    W-B

    W-B E 0 1

    E 0 2

    G A

    F B

    B-W

    J31 (A), J32 (B)

    S e c u r

    i t y I n d i c a

    t o r L

    i g h t

    E n g

    i n e

    C o n

    t r o l M o d u l e

    T r a n s p o n

    d e r K e y

    A m p l

    i f i e r

    J u n c

    t i o n

    C o n n e c t o r

    JunctionConnector

    JunctionConnector

    JunctionConnector

    T r a n s p o n

    d e r K e y

    C o m p u

    t e r

    2 B

    K N K 2

    1 B

    K N K 1

    2

    2

    G

    BR

    BB

    BR

    G

    (Shielded )

    (Shielded )

    (Shielded )

    (Shielded )

    2 8 B

    E K

    N K

    2 E D 1

    5 E D 1W W

    K 1

    K 2

    1 E D 1

    6 E D 1

    4 E D 1

    2 0 B

    E K N 2 R R

    1

    1

    B R

    Knock Sensor 2

    Knock Sensor 1

    B R

    I 1 7

    R e a r S

    i d e o f

    L e f t B a n k

    C y l i n d e r

    B l o c

    k

    D

  • 8/9/2019 4runner wiring diagram

    17/82

    2003 4RUNNER (EWD514U)

    Memo

  • 8/9/2019 4runner wiring diagram

    18/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    7 4 R U N N E R

    ( C o n

    t . n e x t p a g e

    )

    2

    2 1

    5 3

    4

    2

    2

    2

    50A AM1

    2

    15A FR FOG

    2

    50A J/B

    2

    1 4 0 A

    A L T

    2

    30A AM2

    2

    2

    2 B

    B a t t e r y

    2

    2

    2

    2

    2

    1

    1R

    2 1 2

    2 7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    4 6

    A M 2

    B - R

    1 D

    67. 5A GAUGE

    1 G

    4

    15A TRN- HAZ

    2 2 1

    20A DR/LCK

    2 2 1

    1 2

    5 3

    2

    2

    10A ECU- B

    2

    10A DOME

    2

    2

    2 2

    7 . 5 A

    A C C

    1 D

    5

    1 E

    9

    1 B

    4

    1 L

    4

    1 F

    1 2

    1 2

    1 1

    E EJ 1

    HEAD Relay

    3 I G 1

    2 I G 1

    1 I G 1

    6 C

    2 1 C

    4 C

    1

    3

    4

    A 3 9

    1

    1

    1

    DEFOG Relay

    Y-R

    R

    B-R

    W-B

    W-L

    LG

    L- W

    WShort Pin

    2 1

    2 1

    Y - R

    B-Y

    G-W

    R-B

    R-B

    R W - L

    R-L

    L - Y

    W-R

    I 1 8

    W-G A C C

    B D R 1

    B E C U

    G-W

    W-R

    W-R

    W-R

    W W

    A B C

    D

    E

    F

    G

    H

    I

    J

    K

    L

    M

    N

    O

    P

    L G W - R

    W - R

    L - W

    L - Y

    Y - R

    R - L

    R

    R R B - R

    B - Y ( * 1 )

    R - B

    R - B

    W W W - B

    C L T B

    C L T E

    C L T S

    C L T B

    C L T E

    C L T S

    L-Y

    G-W

    Y

    L-Y

    G-W

    Y

    P o w e r

    S o u r c e

    M u

    l t i p

    l e x

    C o m m u n

    i c a t i o n

    S y s t e m

    B 4 ( A )

    , B 5 ( B )

    , B 6 ( C )

    B

    A u t o m a t

    i c L i g h

    t

    C o n

    t r o l S e n s o r

    B o d y

    E C U

    I g n i

    t i o n

    S W

    Junction Connector

    (*1)

    * 1 : w

    / D a y

    t i m e

    R u n n i n g

    L i g h

    t

    3

    W - G

  • 8/9/2019 4runner wiring diagram

    19/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    5 6 7

    7 4RUNNER (Cont’ d )

    1

    1

    2

    5

    3

    18

    1 0 A S E C

    U / H OR N

    1K101C11E16

    T ai l l i gh t an d

    I l l umi n a t i on

    S y s t em

    2

    3 0 A P OWE R

    1F2 1J25

    2

    1

    3

    5

    21

    1H1

    4

    1H2 1A7

    I 2 0

    23

    D O OR

    OF F

    ON

    23

    D O OR

    OF F

    ON

    1A8

    W W

    WW W W

    1

    5

    1

    1A12

    1

    2

    1A18

    V 6

    1

    2V 7

    13

    1A9 1A4 1A19

    1E6 22 1J

    1K9

    2

    6

    C B

    B A

    E

    E

    1A1

    P OWE R R

    el a y

    A

    B

    CD

    EF

    GH

    IJ

    KL

    MN

    OP

    W-R

    LG

    W-RL- WL-YY-RR-LRR

    B-RB-Y(*1)

    R-BR-B

    WW

    W-B

    L -WW-L

    L - OL - O WL

    T OWI N

    GT A I L R

    el a y

    <2 7 - 3 >

    M o onR

    o of C on t r ol E C U

    <2 4 -2 >

    TRLY

    16

    TAILRelay

    PWS

    L W-B

    W-B

    GND2GND1 ILE

    WW

    ( * 3 )

    W

    W-B

    W

    ( * 3 ) R W

    W

    R-W

    (*3)

    W(*3)

    R- G

    R

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)

    W

    R

    R

    1

    L 2

    Body ECU

    I n t er i or L i gh t

    L u g g a g e C om p ar t m en t

    L i gh t P er s on al L i gh t

    V ani t y L i gh t L H

    V ani t y L i gh t R H

    P 7 E

    B

  • 8/9/2019 4runner wiring diagram

    20/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    9 10 11

    7 4RUNNER (Cont’ d )

    C B

    C A C A

    W-R

    ( * 2 )

    W-R

    ( * 2 ) IO110

    2

    1

    9 IO1

    W-R

    ( * 2 )

    R ( * 2 )

    BB189 IP1

    2

    1

    2

    1

    9 BB11 IP2

    25 A 22 B 6 B

    D 9

    D 1 1

    F 1 3

    W-R

    ( * 2 ) IE1D4

    2

    1

    D3 IE1

    W-R

    ( * 2 )

    R ( * 2 )

    F 1 2

    IA19

    2

    1

    13 IA1

    26 A

    D 8

    BA18

    2

    1

    9 BA1

    21 B

    D 1 0

    E EE

    1

    1 5 A R R W

    S H

    1C2

    1 5 A I G1

    1E20 1J8 1J28 1F8

    1 0 A E C

    U -I G

    10 7 A

    A2 IC4

    A

    A

    12

    6 1 9

    D B

    E A

    J 2 2 ( A ) , J 2 3 ( B )

    1B8

    17 20 C

    A1 IC4

    Y

    R

    L -R

    Y L -R

    R

    R

    PCYL

    ( * 2 )

    RCYL LP DCYL LCYL

    R

    R

    R R R

    W- G

    P - G

    Y - GP - G

    R

    J 2 0 ( A ) , J 2 1 ( B )

    L G-R

    WIG

    L -Y Y -R

    Y -R

    B -R

    B -R

    SIG DRL

    Y -R

    Y -R W-B

    B -Y

    W-B

    B -Y

    Y -R

    DRL

    B IG E

    W W

    W

    HRLY HF2

    J 6

    AB

    C

    DE

    FG

    HI

    JK

    LM

    NO

    PQ

    RS

    TU

    VW

    R R

    (*2)R

    W

    R-WLG

    W-LW-R

    L-OW-RL-OL-YY-RR-LR

    RB-RB-Y(*1)

    R-BR-B

    WW

    W-B

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)

    ( * 2 )

    10

    HAZD 2

    Turn Signal andHazard Warning System

    X W-B

    ( * 1 )

    Body ECU

    D a y t i m eR

    unni n g

    L i gh t R el a y

    T ur n S i gn al

    F l a s h er R el a y

    D o or C o ur t e s y

    L i gh t F r on t L H

    D o or C o ur t e s y L i gh t

    F r on t R H

    D o or C o ur t e s y

    L i gh t R e ar L H

    D o or C o ur t e s y L i gh t

    R e ar R H

    F o o t L i gh t L H

    F o o t L i gh t R H

    J un c t i on C onn e c t or

    J un c t i on

    C onn e c t or

    Junction Connector

    F B

    H A H A

    J un c t i on C onn e c t or

    J 2 0 ( A ) , J 2 1 ( B )

    J un c t i on

    C onn e c t or

    J 7

    Y -R

    8

    TSR

    7

    TSL

    4

    TFL

    2

    TFR

    ( * 1 )

    ( * 1 )

    ( * 1 ) ( * 1 )

    ( * 1 )

  • 8/9/2019 4runner wiring diagram

    21/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    13 14 15

    7 4RUNNER (Cont’ d )

    1

    2

    R-W

    H 3

    C

    A

    A

    C

    CA

    BB

    1413

    711

    A HU

    D i mm

    er S W

    L i gh t

    C on t r ol

    S W

    ON

    Head

    AUTO

    Low

    OFF

    Tail

    High

    Flash

    OFFF o g

    L i gh t

    S W

    12 8

    EL HFTHHLLFGBFG

    IN110

    J10 (A), J11 (B)

    R-GB B

    AB

    1 IH1 8 IH1 10 IH1 9 IH1

    1 C 8 C 3 C 7 C

    Left KickPanel

    IG

    A

    1

    2

    3

    5

    2 2

    2

    10

    2

    IC32G-R

    B B

    B A1

    2

    1

    2

    EAFront RightFender

    F 1

    F 2

    1

    D 3

    RighPane

    R-G

    R - G

    R-G

    R-G

    L

    R-G

    RG

    G-OR-W

    G- O GR

    R G G- OR -W

    HEAD TAIL A HF

    G-R

    FR FOGRelay

    R - G

    W-B

    W-B

    W-B

    W-B

    W-B

    W-BW-B

    W-B

    LG

    D

    A

    B

    CD

    EF

    GH

    IJ

    KL

    MN

    OP

    QR

    VW

    R-G

    R-WW-BB-RR-WLG

    W-LW-R

    WL-OW-RL-OB-R

    R-LRR

    B-R

    W-BW-B

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)

    D

    S W-B (*1)

    W-BX

    J12(A), J13 (B)

    A B

    A B

    16

    W-B

    R -L

    W-B

    W-B

    AA A A

    A

    J 5

    W-B

    W-B

    J 1 5 ( B )

    W-B

    C12

    D ef o g g er S W

    P a s s en g er S e a t B el t

    W ar ni n gL i gh t

    S e c ur i t y I n d i c a t or L i gh t

    Body ECU

    Combination SW

    F r on t F o gL i gh t L H

    F r on t F o gL i gh t R H

    H e a d l i gh t R H

    ( H i gh )

    JunctionConnector

    J un c t i on C onn e c t or

    Junction ConnectorJunction Connector

    G

    R - G

    J un c t i on C onn e c t or

    J 2 ( A

    ) , J 3 ( B )

    TY-R

    G G

    17

    U R-L

    W-B

    W-B

    G-R

    R-L

  • 8/9/2019 4runner wiring diagram

    22/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    17 18 19

    7 4RUNNER (Cont’ d )

    II

    AA

    29

    2 IN1

    1 T 1

    1

    3DA

    3DA

    B A B A

    A A A A

    B -R

    14 C

    J12 (A)

    3EB

    3EB

    10 2

    D A E A

    B B A B31 12

    G A G A

    J20(A)

    G A

    26 C

    C B 4 3 1

    3EB 3DA

    J24

    J18 (A), J19 (B)

    J 1 4 ( A ) , J 1 5 ( B )

    Z 1

    SH-

    B R -B

    B R -B

    W-B

    W-B

    E

    B -R

    B -R

    B- R B- R

    MPX1

    W-R

    W-R

    IG +B1 KSW

    G-Y

    KSWMPX3

    (SR5 Grade )

    B R -Y

    G-Y

    BR-Y

    G-Y

    B R -Y

    G-Y(SR5 Grade )

    ( S R 5 Gr a d e )

    KSW MPX1 IG

    (SR5 Grade )W-R

    B-R(SR5 Grade )

    G-Y

    T 5

    V

    ON

    ML

    KJ

    IH

    GF

    E

    DC

    BA

    W-B

    R-WR-G

    B-RR-W

    W-RW

    L-OW-RL-OB-RW-BR-LR

    RB-R

    B 4(A), B 5(B), B 6(C)

    Mu ltiplex Communicat ion System

    QP W-BW-B

    SR W-B

    W-B

    B A

    Transponder Key Computer

    G-Y

    T LG

    Body ECU

    JunctionConnector Junction

    Connector

    J un c t i on

    C onn e c t or

    JunctionConnector

    JunctionConnector

    Theft Deterrent ECU

    T h ef t D e t er r en t H or n

    Option Connector(TVIP ECU )

    U R

    InstrumentPanel Brace RH

    B B A B

    G-Y

    BR- Y

  • 8/9/2019 4runner wiring diagram

    23/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    21 22 23

    7 4RUNNER (Cont’ d )

    5BB1

    22 C24 C

    A A B A B A A A

    B B C B J 2 2 ( A ) , J 2 3 ( B )

    12 IA1 2 IA2

    11 7

    11 IA2 10 IA2

    G-B

    G

    7 BB1 6 BB1

    G-B

    5

    6 18 16

    4

    12 IA2 7 IA2

    15 13

    2 3 1

    2

    1

    M

    9 IA2 6 IA2

    G-W

    G-R

    7 BA1 6 BA1

    G-W

    5

    W

    12

    RLD

    10

    4

    2 3 1

    2

    1

    M

    P11 P10

    1 2

    9 4

    B

    B

    W

    L -R L -Y

    L -Y L -R

    L -Y

    L -R

    R R -B

    L -R L -Y

    PD PU

    W/L 1 W/L 2

    SD

    B

    SU

    RRU RRD

    SD

    B R -L

    G

    WW

    U D U DSU

    B

    L -B L L L -B

    GL

    G-R

    RLUB2

    P 1 5 P 1 4 L - O

    B -R

    BW

    B R

    L -B

    P12

    D U

    DDD

    D17A

    B

    C

    D

    EF

    GH

    I

    JK

    LM

    N

    OP

    QR

    S

    J 3 3

    L-Y

    L- R

    W

    W

    R

    WB

    B-RR-GR-W

    B-RR-W

    L-OW-RL-O

    W-BR-LR

    B-R

    B 4(A), B 5(B), B 6(C)

    Mu ltiplex Communicat ion System

    W-BW-B

    UT

    W-BW-B

    WV

    LGX

    Body ECU

    Door Lock Control SW Front LHPower Window Master SW

    J un c t i on C onn e c t or

    J un c t i on C onn e c t or

    Power Window ControlSW Rear LH

    Power Window ControlSW Rear RH

    Power Win

    P ow er Wi n d owM

    o t or

    R e ar L H

    P ow er Wi n d owM

    o t or

    R e ar R H

    Y R

    C

    C

    C

  • 8/9/2019 4runner wiring diagram

    24/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    25 26 27

    7 4RUNNER (Cont’ d )

    W-B

    W-B

    W-B

    B -WB

    L -R L -B

    LULLSSR

    EE

    LLSSRULULL

    ACT-ACT+LSWPLSWDACTDUL3L2

    L- R B -W

    B -W

    L -B W-R

    G

    B -R

    B -WWB -R

    GL

    W-B

    D18

    UL1L1

    W-B

    L -W

    L- O

    W-B

    W-B

    W-B

    L R

    L - O

    L - OL -W

    L - OL -W

    L -W

    D198

    2423

    417

    A30

    9 1L 6 1L18 1L

    IP22IP27IP17

    D16

    L

    9

    7

    A21A10A12

    48110

    IA28IA17IA213IA18IA16

    20

    3 1K

    365

    IP24

    IP156 IP1

    J 6

    DA

    1 1K5 1K

    1519

    DADA

    CD

    EF

    GH

    IJ

    KL

    MN

    O

    A

    BL-O

    W-BW-B

    R-GR-W

    B-RR-W

    W-RL-O

    W-BR-LR

    RB-R

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)

    PQ

    R

    W-BW-B

    W-B

    S LG

    L o c k

    U nl o c k

    Body ECU

    Door Key Lock and Unlock SW Front LHDoor Lock Detection SW Front LHDoor Lock Motor Front LH

    Door Lock DetectionSW Front RHDoor Lock MotorFront RH

    Door Lock ControlSW Front RH

    JunctionConnector

    T R

  • 8/9/2019 4runner wiring diagram

    25/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    29 30 31

    7 4RUNNER (Cont’ d )

    R -Y

    R -B R -B

    R -B

    PCTYDCTY

    DOMERelay

    LMRY

    R

    R

    R

    R -W

    R

    R

    R

    R

    R

    R

    R

    W-B

    W-B

    W-B

    W-B

    R G- O

    W-B

    G- O

    L -R

    E

    +BPRGRDA

    PRGRDABZR2BZR

    Y -B

    Y -B

    P -B

    L -R

    B24

    D 1 3 1D 1 2

    J 1 8 ( A ) , J 1 9 ( B )

    T r an s p on d er K e y

    C om p u t er

    < 5 -2 0 > < 6 -2 0 >

    1

    AA A A

    BA

    B23

    J 7

    D 7

    J 4 0 ( A ) , J 4 1 ( B )

    Rear PillarLH

    BO

    AA

    BH

    AFAF

    W-B

    Floor SearCrossmember LH

    BL

    A3

    IC31IC4C2

    D

    D

    D

    22

    22

    5

    3

    2

    1

    B3B4

    1

    532

    IE1A15IE1A13IE1A12

    79

    W 3

    2

    1

    6 1B10 1B

    AB

    C

    DE

    FG

    HI

    JK

    LM

    R-WR-GW-B

    B-RR-W

    W-RL-OW-BW-BR-LRR

    B-R

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)

    R - G

    S u s p en s i on C on t r ol

    E C U

    B20ACTY

    N LG

    Body ECU

    D o or C on t r ol

    R e c ei v er D o or C o ur t e s y S WF r on t L H

    D o or C o ur t e s y S WF r on t R H

    J un c t i on C onn e c t or

    Junction Connector

    J un c t i on

    C onn e c t or

    Wi r el e s s D

    o or

    L o c k B

    uz z er

    O R

  • 8/9/2019 4runner wiring diagram

    26/82

    2 0 0 3 4 R

    U N N E R

    ( E WD

    5 1 4 U )

    33 34 35

    7 4RUNNER (Cont’ d )

    R

    RDEFDBKL

    J20(A), J21 (B)

    W-B

    G-Y

    G-Y

    G-Y

    G-Y

    W-B

    B R

    G-Y

    R

    R B R

    GR -B

    G-Y

    GR- B

    BR

    R

    C 8 ( A ) , C 9 ( B ) , C 1 0 ( C )

    W-B

    W-B

    6

    3 1B

    IE1A8

    J 8 ( A ) , J 9 ( B )

    A13

    AD

    B B

    D A

    BH

    AF

    BM Floor SeatCrossmember RH

    IO111IM17

    J 8 ( A ) , J 9 ( B )

    C15

    C16

    C13

    B13

    B12

    A13

    A14

    A17

    C8

    B19

    A

    B

    C

    D

    E

    F

    G

    H

    IJ

    KL

    M

    NO

    PQ

    W-B

    V-Y

    V-G

    W-L

    R-L

    R-W

    R-G

    B-R

    RW-RL-OW-BW-B

    RB-RW-BW-B

    B 4(A), B 5(B), B 6(C)

    Mu ltiplex Communicat ion System

    B R GR -B

    B18

    R LG

    L G

    Door

    Beam

    Driver’ s Seat Belt

    4

    3

    2

    3

    B 1 2

    B 1 3

    Body ECU

    B u c k l e S WL H

    B u c k l e S W

    R H

    O c c u p an t D e t e c t i on

    S en s or

    C om b i n a t i onM

    e t er

    Junction Connector

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    F B

    H A H A

    S R

    R

    Rear Side ofLeft BankCylinder Block

    EF

    B uz z er

  • 8/9/2019 4runner wiring diagram

    27/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    37 38 39

    7 4RUNNER (Cont’ d )

    B-L

    Y - G

    BR-R

    G-B

    R -Y

    L GL GL G

    L G

    MPX2HAZSTP1SPDLPOBD2PKBRWINTRWONWMTR

    BR-W

    B R -W

    GR

    B - O

    L G-B

    GR -R

    L G-B

    W-B

    W-B

    GR -R

    W-B

    G-B

    B -L

    G-B

    B -L

    DEF

    Y - G

    IE1A14

    A23

    T ur n S i gn al F l a s h er

    R el a y < 8 - 3 > < 9 - 3 >

    S T OP L P

    C T R L R

    el a y

    C om b i n a t i onM

    e t er

    < 3 1 - 6 >

    G en er a t or

    P ar k / N e u t r al

    P o s i t i on S W

    <1 4 - 8 >

    D a t aL i nk

    C onn e c t or 3

    < 5 -7 > < 6 -7 >

    8314A14B17C17

    P 4

    R a d i o an d P l a y er

    wi t h D i s pl a y <2 8 - 6 >

    S k i d C on t r ol E C U

    <1 5 - 8 >

    20 1J18 1J

    1

    1 1E

    17 1J

    B2

    C14

    W2

    M

    3

    4

    1 1B

    C9C102

    IH17IH16IC33

    WR EW C1R+1R

    Washer

    OFF

    1312 10

    2

    Washer

    ON

    INT

    J 6

    M4

    M 3

    B

    BB

    4

    5

    4

    5

    IP118IA118

    A27

    ( 2 U Z -F E )

    W-B

    B -L

    ( 2 U Z -F E )

    A

    BC

    D

    EF

    GH

    I

    W-R

    B-R

    W-B

    L-OW-BW-B

    Mu ltiplex Communicat ion System

    B 4(A), B 5(B), B 6(C)Body ECU

    CombinationSW

    Junction Connector

    P ar k i n gB r ak e

    S W

    Mi r r or H

    e a t er L H

    Mi r r or H

    e a t er R H

    W a s h er M o t or

    R e ar Wi p er

    an d

    W a s h er S W

  • 8/9/2019 4runner wiring diagram

    28/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    4 1

    4 2

    4 3

    4 4

    7 4 R U N N E R ( C o n

    t ’ d )

    A C T -

    A C T +

    P O S

    F U L L

    H A L F

    B-R

    L-R

    L- B

    BR- W

    G-Y

    R-G

    L-W

    W-R

    B-O

    Y-G

    Y-B

    R-B

    V-W

    V-Y

    GR- R

    LG- B

    LG- R

    E

    P L S

    P L S 2

    S S R B

    G

    R

    I C -

    I C 2

    I C 1

    I C +

    B D D N

    B D U P

    H S W -

    H S W +

    U P

    D O W N

    E

    3

    2

    1

    B

    2 1

    1 4

    B

    B

    1 5

    B 7

    4

    6

    5

    B 8

    7 B

    6 B

    3

    2

    6

    B

    2 3

    1 7 B

    B

    1 6

    B 1 1

    1

    5

    4

    B

    1 1

    2 5 B

    B

    B

    2 2

    B

    1 0

    T 1 0

    1

    2

    3

    B 5

    4 B

    B

    1 9

    1 3

    L S E

    B 8 ( A ) , B 9 ( B )

    M u l t

    i p l e x

    C o m m u n

    i c a

    t i o n

    S y s t e m

    2 1

    B10

    M

    F u r t h e s

    t

    P o s i

    t i o n

    R e t u r n

    P o s i

    t i o n

    S t o p

    1

    3

    5

    4

    2

    W I P - R-G

    1 B

    B 2

    Y-G W I P +

    WBR- B

    3 B

    B

    1 2

    P-B P

    S G N D G-R

    1 8 B

    R 2 3

    B a c k

    D o o r

    E C U

    B a c

    k D o o r

    C o u r t e s y

    S W

    B a c

    k D o o r

    H a l

    f L a t c h

    S W

    B a c

    k D o o r

    L o c k

    D e t e c t

    i o n

    S W

    B a c

    k D o o r

    L o c k

    M o t o r

    Back Door Opener SW

    B a c

    k D o o r P o w e r

    W i n d o w

    M o t o r

    R e a r W

    i p e r

    M o t o r

    R e a r W

    i p e r

    P o s i t i o n

    S W

    T a i l g a t e

    C o n

    t r o l S W

    M

  • 8/9/2019 4runner wiring diagram

    29/82

    2003 4RUNNER (EWD514U)

    Memo

  • 8/9/2019 4runner wiring diagram

    30/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    8 4 R U N N E R

    2

    2

    2

    2

    2

    140A ALT

    15A TRN- HAZ

    50A AM1

    1

    1 1

    2

    2 2

    2

    A C C

    I G 1

    A M 1

    4

    1 C 2

    1 5 A

    I G 1

    1 J 8

    A A H A

    F B

    A 1 6 I C 4

    1 I N 1

    2 3

    2 3

    E B

    F r o n

    t L e f

    t

    F e n d e r

    E A

    F r o n

    t R i g h t

    F e n d e r

    L H R H

    T L

    T B 2

    1

    3 T R

    Turn

    2 I H 1

    3 I H 1

    A

    D B

    E A

    I G

    L e f t K i c k

    P a n e l

    1 J

    1 4 1 J

    1 5 3 2 3

    F

    B 3 F

    B

    B 3 F

    A

    A

    I K

    R i g h t K i c k

    P a n e l

    I I

    I n s t r u m e n

    t

    P a n e l

    B r a c e

    R H

    1

    4

    2

    9

    7

    8

    1 0

    A

    A

    6

    1 G

    3

    1 G

    2

    1 J

    2 3

    1 J

    5

    A 2 I C 4

    1 F

    9

    1 F

    1 5

    6 2

    6 3

    A A

    A A

    A B

    A A B

    L

    F l o o r S e a

    t

    C r o s s m e m

    b e r L

    H

    B O R e a r P

    i l l a r

    L H

    I G

    T F L

    T F R

    E

    T S L

    T S R

    H A Z

    T R L

    T R R

    5

    3

    A

    D

    2

    1

    A

    D

    D A Turn

    Turn

    R14

    R15J39

    H11

    C12

    F 5

    J20 (A), J21 (B)J 7

    J22(A), J23 (B)

    J15

    D 2

    J 2 4

    J 3 7

    J 5

    A

    J 4 0 ( A ) , J 4 1 ( B )

    O 2

    W-B

    W-B

    W-B

    W-B

    W-B

    W-B

    W-B

    W-B

    L- B

    L- Y

    L-B

    L-Y

    L-Y

    L-B

    G-B

    G-Y

    G-B

    G-Y

    L-B

    L-Y

    W

    R-Y

    R-B

    Y-R

    Y-RY- R Y- RL- Y

    W-L

    B-YB-Y

    B-Y

    W- B W- B

    W-B

    W-BW

    L- Y

    L- B

    W-B

    W-B

    F 6

    I 1 8

    B

    B

    B a t

    t e r y

    B

    R-B

    R-Y

    Towing ConverterRelay

    W - B

    T u r n

    S i g n a

    l a n

    d H a z a r d

    W a r n

    i n g

    ( w / D a y

    t i m e

    R u n n

    i n g

    L i g h t )

    P o w e r

    S o u r c e

    1 2 D

    R L Multiplex Communication

    System

    W - B

    C B

    A A

    W-B

    J10(A), J11 (B)

    W-B 5

    W-B

    B o d y E C U

    < 7 - 3

    9 >

    T U R N R

    T U R N L

    G N D

    Combination SW

    T u r n

    S i g n a

    l

    I n d i c a

    t o r

    L i g h

    t

    D a y

    t i m e

    R u n n i n g

    L i g h

    t R e l a y

    T u r n

    S i g n a

    l F l a s h e r

    R e l a y

    Front Turn SignalLight LH

    Front Turn SignalLight RH

    Hazard SW

    I g n i

    t i o n

    S W

    J u n c

    t i o n

    C o n n e c t o r

    JunctionConnector

    JunctionConnector

    JunctionConnector

    JunctionConnector

    JunctionConnector

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    JunctionConnector

    J u n c

    t i o n

    C o n n e c t o r

    Rear CombinationLight LH

    Rear CombinationLight RH

    A

    A

    A

  • 8/9/2019 4runner wiring diagram

    31/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    1 2 3

    9 4RUNNER

    2 2 2

    2 2

    1 4 0 A A L T

    1 5 A T R N -H A Z

    5 0 A A M1

    1 1

    1

    2 2

    2

    2

    ACC

    IG1AM1 4

    1C2

    15AIG1

    1J8

    A

    A

    H A

    F B

    A16 IC4 1 IN1

    2

    1

    2

    1

    EBFront LeftFender

    EA Front RightFender

    LH

    RH

    TL TB

    2

    1 3

    TR

    T ur n

    2 IH1 3 IH1

    A

    D B

    E A

    IGLeft KickPanel

    1J14

    1J15

    3

    2

    3FB

    3FB

    B3F

    A A

    IKRight KickPanel

    II InstrumentPanel BraceRH

    1 3 2 7 5 6 8

    A A

    4

    1J23

    A2 IC4

    1F9

    6

    2

    A A

    IG LL LR GND EL ER EHW

    A

    AD

    A

    T ur n

    H 1 1

    C 1 2

    F 5

    J 2 0 ( A ) , J 2 1 ( B )

    J 7

    J 2 2 ( A ) , J 2 3 ( B )

    J 1 5

    T 9

    J24J37

    J 5

    A

    J40 (A), J

    W-B

    W-B

    W-B

    W-B

    W-B

    L -B

    L -B G-B

    G-Y

    G-B

    G-Y

    L -B W

    R -Y

    R -B

    Y -R

    Y -R

    Y -R

    Y -R

    L -Y

    W-L

    B -Y

    B -Y

    W-B

    W-B

    W-B

    W-B

    W

    L -Y L -B

    W-B

    W-B

    F 6

    I18

    BB

    Battery

    +B

    R -B R -Y

    T owi n g

    C onv er t er

    R el a y <2 7 -4 >

    W-B

    Turn Signal and Hazard Warning (w/o Daytime Running LPower Source

    W-B

    W-B

    Body ECU

    5 IF110 IF18 IF17 IF19 IF12 IF14 IF11 IF1

    6 IF1

    B-Y

    Y -R

    L -B L -Y

    W-B

    G-B

    G-Y

    W L -B

    L -B L -Y

    W-B

    G-B

    G-Y

    W

    C om b i n a t i on S WF r on t T ur n

    S i gn al L i gh t L H

    F r on t T ur n S i gn al L i gh t R H

    Turn Signal Flasher Relay

    H az ar d S W

    Ignition SW

    JunctionConnector

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    JunctionConnector

    JunctionConnector

    Junction C

    A

    A A

  • 8/9/2019 4runner wiring diagram

    32/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    1 0 4 R U N N E R

    ( C o n

    t . n e x t p a g e

    )

    B A

    B B

    B A

    B A

    B A

    B B

    B B

    B B

    2 1

    2 1

    2 1

    A B

    A B

    A A

    A A

    A B

    D 4

    M 2

    T 7

    2

    1 4 0 A

    A L T

    J16(A), J17 (B)

    A A

    E B

    O F F T a

    i l

    H e a

    d

    T

    E L

    H

    1 6

    1 4

    A B

    A A

    I G

    L e f t K i c k

    P a n e

    l

    A

    T A I L

    C12

    8 C

    J 5

    8 I H 1

    J20(A), J21 (B)

    J16 (A), J17 (B)

    1G

    G

    G

    G

    W-G

    W-G

    W-G

    G H

    T a

    i l l i g h t a n

    d I l l u m

    i n a

    t i o n

    P o w e r

    S o u r c e

    D

    G

    G G

    W-B

    W-B

    W - B

    G W - G

    W - B

    W-G

    G

    G

    F

    W - G

    E

    G

    B

    2 2

    50A AM1

    2

    2

    1

    1

    1 2

    2

    2

    2 1

    3 5

    1 C

    1

    G I D L

    2 8 A

    B 4(A), B 6(C)

    30A AM2

    1 L

    5

    1 F

    1 3

    10A DOME

    TAIL Relay

    L - Y

    1 B

    9

    1 B

    1 1

    J14 (A), J15 (B)

    2 1

    2 1

    E B

    F r o n

    t L e f

    t

    F e n d e r

    E A

    F r o n

    t R i g h t

    F e n d e r

    B 6 4

    6 4

    A A

    A A

    A A

    2 B D 1

    2 B H 1

    3 B H 1

    1 0 B D 1

    F 4

    F 3

    R14

    R15

    J 4 0 ( A ) , J 4 1 ( B )

    A B

    A A

    B L

    F l o o r S e a

    t

    C r o s s m e m

    b e r L

    H

    B O

    R e a r P

    i l l a r

    L H

    W-B

    W-B

    W-B

    W-BW-B

    W-B

    W-B

    W-B

    W-BW-BW-BGG

    G

    G

    W-B

    W-B

    G

    G

    B

    B

    B BW-L

    R

    G

    G

    G

    L - W

    J 3 9

    G

    B a t t e r y

    T R L Y

    1 8

    (2UZ- FE )

    ( 2 U Z - F E )

    (2UZ- FE )

    Tail

    Tail

    50A J/B

    2 1 2

    L-W

    2 7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    4 6

    A M 2

    L - Y

    B - R

    B - R

    C

    I 1 8

    2

    10A TAIL

    2 2 1 2 2 1

    Short PinW

    R

    A

    C 2 I C 4 RR

    B

    4 3

    B10

    LH

    RH

    License Plate Light

    Body ECU

    Diff. Lock SW

    Combination SW

    Front Parking Light LH

    Front Parking Light RH

    I g n i

    t i o n

    S W

    J u n c t

    i o n

    C o n n e c t o r

    JunctionConnector

    JunctionConnector

    JunctionConnector

    JunctionConnector

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    Main SW

    Rear Combination Light LH

    Rear Combination Light RH

    TRAC Off SW

    Radio and Player System 1 0

    C13Combination SW

    A B

  • 8/9/2019 4runner wiring diagram

    33/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    5 6 7

    10 4RUNNER (Cont’ d )

    W- G

    5

    6

    W- G

    S 4

    G G

    5

    6 S 5

    G

    GD

    5

    4

    4

    2

    E

    H 1 1

    G G

    W- G

    W- G

    G G

    W-G

    BL-Y

    Taillight and Illumination

    G

    W-GG

    ( * 1 )

    ( * 1 ) ( * 2 )

    G G

    W- G

    W- G

    ( * 5 ) ( * 5 )

    ( * 5 ) ( * 5 )

    D

    W-G

    HW-B

    G

    ( 1 GR -F E )

    F

    3DD

    3DD 3DD

    D 3D

    3D

    3FA

    3FA 3FA 3FA 3FA 3FA

    3FA

    1

    2

    2

    1

    W- G

    2

    1

    2

    1

    12

    W- G

    W-G

    G

    G

    G

    B10

    C5

    H 1 2 A 2 3

    D 5

    C 1 5

    G

    G

    G

    A12

    2 A (*3)

    2 R 1 ( A ) ,R 2 ( B ) ,R

    3 ( C )

    R 1 2

    (*4)

    (*3)

    (*4)

    G

    W- G

    W- G

    G

    W- G

    C 3E

    C 3E

    9

    10

    D A

    I B

    ( * 2 )

    3DD

    G

    ( 1 GR -F E )

    E n gi n e C on t r ol

    M o d ul e < 6 -1 2 >

    G

    D3D

    G

    J 3 1 ( A ) , J 3 2 ( B )

    D 3

    CB-R

    AR

    3FA 3FA

    ILL-

    ILL+ A b s or b er C on t r ol S W

    D ef o g g er S W

    H e a t er C on t r ol P an el

    C u pH

    ol d er I l l umi n a t i on

    D ownh i l l A

    s s i s t C on t r ol S W

    H az ar d S W

    H ei gh t C on t r ol S W

    J un c t i on

    C onn e c t or

    R a d i o an d P l a y er

    R a d i o an d P l a y er wi t h D i s pl a y

    S e a t H e a t er S WL H

    S e a t H e a t er S WR H

    ILL+

    ILL-

    ILL+

    ILL-

    D 3D

  • 8/9/2019 4runner wiring diagram

    34/82

  • 8/9/2019 4runner wiring diagram

    35/82

    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    1 2 3

    11 4RUNNER

    2

    2

    1 4 0 A A L T

    1

    5 0 A A M1

    1

    2

    2

    2

    2

    ACC

    IG1AM1 4

    I18

    B

    Battery

    2

    1

    2

    2

    1

    2

    E

    E

    3

    5

    2

    1

    4

    2 2

    2 2 2

    15AIG1

    1C2

    1E20

    E

    E

    15 IC3

    1J12

    1F16

    C A C A

    A B3CB3CB

    3CB 3CB

    E B

    H A 1E24

    C B C B

    B A B A

    6

    1

    6

    1

    A A A A

    A B

    BLFloor SeatCrossmember LH

    B o d y E

    C U

    <7 - 3 9 >

    D D

    E

    T owi n g

    C onv er t er

    R el a y

    E n gi n e

    C on t r ol

    M o d ul e

    < 5 -1 7 > < 6 -1 7 >

    S k i d C on t r ol E C U

    <1 5 - 8 >

    T owi n gB r ak e

    C on t r ol l er

    <2 7 - 3 >

    S k i d

    C on t r ol E C U

    <1 5 - 8 >

    S k i d

    C on t r ol E C U

    <1 5 -7 >

    S u s p en s i on

    C on t r ol E C U

    S h i f t L o c k C on t r ol E C U

    < 3 0 -7 >

    B R -Y

    ( * 3 )

    G-Y

    ( * 4 )

    G-Y G

    -Y G-Y

    G-B

    L G

    G-Y

    G-Y

    G-Y

    G-Y

    G-Y

    G-W

    G-Y

    G-B

    G-Y

    W-B

    W-B

    W-B

    G-Y

    G-Y

    G-Y

    G-Y

    B

    W-L

    G-W

    G-B

    G-Y

    L-Y

    J 4

    G-Y

    G-Y

    Y -R

    Y -R

    Y-R

    E

    G-W

    1 0 A S T OP

    S 1 2 J 3 1 ( A ) , J 3 2 ( B )

    J 1

    J40(A), J41 (B)

    R 1 4

    J 2 2 ( A ) , J 2 3 ( B )

    S T OP L P

    C T R L

    R el a y

    Stop LightPower Source

    S t o p

    S t o p

    Ignition SW

    J un c t i on

    C onn e c t or

    J un c t i on

    C onn e c t or

    Junction Connector

    J un c t i on

    C onn e c t or

    JunctionConnector

    R e ar C om b i n a t i on

    L i gh t L H

    R e ar C om bin a ti on

    L i gh t R H

    S t o pL i gh t S W

  • 8/9/2019 4runner wiring diagram

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    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    1 2 4 R U N N E R 1 4 0

    A

    A L T

    5 0 A

    A M 1

    2

    2

    2 2

    2

    A C C

    I G 1

    A M 1

    4

    1 C

    2 1 J

    8

    1 5 A

    I G 1

    A A

    A A 2 I M 1

    3 2

    1 L

    2

    1 F

    1 0

    6 3

    1 I M 1

    6 2

    B

    B

    C

    A

    C A

    C A

    A

    A

    A A

    A B

    A A

    B L

    F l o o r

    S e a

    t

    C r o s s m e m

    b e r

    L H

    R e a r P

    i l l a r

    L H

    Back-Up

    Back-UpW-B

    W-B

    W-B

    W-BR-Y

    R-Y

    R-Y

    R-YR-Y

    R- Y Y- R Y- R

    Y-RY-R

    W-L

    B

    B

    Battery

    J 7

    J 2 0

    J 2 5

    P 1

    J 3 3

    I 1 8

    J 4 0 ( A )

    , J 4 1 ( B ) J 4

    0 ( A ) , J 4 1 ( B )

    R14

    R15

    2 2 1 1

    L - Y

    R - Y

    Y - R

    B a c

    k - U p

    L i g h t

    P o w e r

    S o u r c e

    Trailer Socket

    I g n i

    t i o n

    S W

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    J u n c

    t i o n

    C o n n e c t o r

    P a r k

    / N e u

    t r a l

    P o s i

    t i o n

    S W

    Rear CombinationLight LH

    Rear CombinationLight RH

    H H

    A A

    B O

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  • 8/9/2019 4runner wiring diagram

    38/82

    2003 4RUNNER (EWD514U)

    M OVERALL ELECTRICAL WIRING DIAGRAM

    1

    2

    3

    4

    1 3 4 R U N N E R

    ( C o n

    t . n e x t p a g e

    )

    5 0 A

    A M 1

    2 2 1 1 2 2

    3 0 A

    A M 2

    2

    2 2 1

    1 0 A

    E T C S

    2 0 A

    E F I

    2

    2

    2

    1

    1

    2

    2

    2 7

    A C C

    I G 1

    I G 2

    S T 2

    A M 1

    4 6

    A M 2

    2 1

    3 5 2

    2

    2

    2

    C 1 7 I C 4

    C 4 I C 4

    C 5 I C 4

    E B

    F r o n

    t L e f

    t

    F e n d e r

    A B

    A B

    C A

    C 3 I C 4 8

    E

    3 E

    6 D

    1 E

    2 E

    1 1 B 8

    GR

    1 0 B

    1 5W-L

    1 5 B 7

    P-L

    1 3 B

    1 4LG- B

    1 2 B

    6L-R

    1 6

    C

    1 3

    R-B

    1 5 C 5

    R-W

    1 9 B

    1 2G-B

    1 8 B

    4B-Y

    1 7 B

    1 1B-W

    1 6 B

    3B-R

    3 2 B

    1 0Y-G

    2 4 B 9

    L

    2 8 A

    S 1

    S 2

    S R

    S L T +

    S L T -

    S L U +

    S L U -

    S L 1 +

    S L 1 -

    S L 2 +

    S L 2 -

    O T +

    O T 2 +

    1 0 A

    I G N

    1 D

    6 1 J

    1 1

    B A

    B B

    9 E

    1 2 2 7 B

    3 5 B

    1 2 2 6 B

    3 4 B

    E l e c t r o n

    i c a

    l l y C o n

    t r o

    l l e d T r a n s m

    i s s

    i o n a n

    d A / T I n d i c a

    t o r

    ( 2 U Z -

    F E )

    B

    W- L B

    R

    GR

    L

    B

    W- B

    B

    B

    B

    B

    W-B

    B

    L - Y

    B - R

    B a t t e r y

    I 1 8

    E F I

    R e l a y B B

    J 2

    W-G

    L

    GR

    W - G L

    GR

    B-O

    J31(A), J32 (B)

    B-O

    V11

    T 4

    L-Y

    R-L

    Y-R

    W-R

    O T -

    O T 2 -

    BR

    BR

    BR

    E 1

    M R E L

    B A T T

    + B M

    I G S W

    N T +

    N T -

    S P 2 +

    S P 2 -

    + B

    + B 2

    S 1

    S 2

    S R

    S L T +

    S L T -

    S L U +

    S L U -

    S L 1 +

    S L 1 -

    S L 2 +

    S L 2 -

    T H 0 1

    T H 0 2

    E 2 L

    - Y

    B - R

    E 4 ( A )

    , E 5 ( B )

    , E 6 ( C ) , E 7 ( D ) , E 8 ( E )

    2

    1

    P o w e r

    S o u r c e

    7 . 5 A

    G A U G E

    1 G

    4

    R - L

    R - L

    C

    J 8 ( A )

    B - O

    B A

    B A

    A

    R

    J31 (A), J32 (B)

    2 1 2

    Short Pin

    2 1 2R

    140A ALT

    10A DOME

    2 W

    C 2 I C 4R

    D DR

    F B

    H A

    J 7J 8 (A), J 9 (B) R

    W

    B

    SB

    G

    GR

    LG

    BR

    R

    L

    Y

    V

    O

    Y

    O

    Y

    E l e c

    t r o n i c a

    l l y C o n t r o

    l l e d T r a n s m

    i s s i o n

    S o l e n o

    i d

    E n g i n e

    C o n

    t r o l M o d u l e

    I g n i

    t i o n

    S W

    J u n c

    t i o n

    C o n n e c t o r

    JunctionConnector

    JunctionConnector

    JunctionConnector

    JunctionConnector

    J u n c

    t i o n

    C o n n e c t o r

    T u r b

    i n e

    S p e e

    d

    S e n s o r

    Vehicle Speed Sensor(Electronically Controlled Transmission )

  • 8/9/2019 4runner wiring diagram

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    2 0 0 3 4 R

    U N N E R ( E WD

    5 1 4 U )

    5 6 7

    13 4RUNNER (Cont’ d )

    AR

    E 4(A), E 5 (B), E 6 (C), E 7(D), E 8 (E)

    Electronically Controlled Transmission and A/T Indicator (2 U Z- F E )

    16 A

    NSW

    9 B

    STAR

    12 C

    STSW

    17 A

    STA

    20 E

    TC

    18 E

    SIL

    19 E

    WFSE

    18 A

    VC

    21 A

    VTA1

    31 A

    VTA2

    3 C

    M+

    2 C

    M-

    17 C

    GE01

    19 A

    THW

    30 A

    VG

    29 A

    E2