hyundai hd78 electric equipment

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Hyundai HD78 Electric Equipment

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  • Windshield Wiper/ WasherComponent Location .................................... BE - 40Windshield Wiper/Washer

    Removal .................................................. BE - 41Inspection ................................................ BE - 42Circuit Diagram ....................................... BE - 42Connector ............................................... BE - 42

    Power WindowsPower Window Motor

    Connector Configurations ...................... BE - 43Circuit Diagram ....................................... BE - 43Inspection ................................................ BE - 43

    Power Window SwitchInspection ................................................ BE - 44Circuit Diagram ....................................... BE - 45

    Lighting SystemComponents ................................................. BE - 46Head Lamp

    Replacement ........................................... BE - 47Inspection ................................................ BE - 48Adjustment .............................................. BE - 49

    Turn Signal LampReplacement ........................................... BE - 51

    Room LampReplacement ........................................... BE - 52

    Fog LampReplacement ........................................... BE - 53Inspection ................................................ BE - 53Adjustment .............................................. BE - 54

    Head Lamp Leveling DeviceDescription.................................................... BE - 56Components ................................................. BE - 56Part Circuit Diagrams ................................... BE - 57

    Keyless Entry SystemComponents ................................................. BE - 59Description.................................................... BE - 60Operation ...................................................... BE - 61Inspection ..................................................... BE - 71Adjustment .................................................... BE - 72Specification ................................................. BE - 72Door Lock Actuator

    Inspection ................................................ BE - 73

    Body ElectricalSystem

    GeneralGenerals ....................................................... BE - 3Specifications ............................................... BE - 6Diagnosis ...................................................... BE - 7

    Fuses and RelaysComponent Location .................................... BE - 12Components ................................................. BE - 14Relay

    Inspection ................................................ BE - 16Fuse

    Inspection ................................................ BE - 17

    Indicators and GaugesInstrument Cluster

    Components ........................................... BE - 18Circuit Diagram ....................................... BE - 20Connector Configuration ........................ BE - 23

    Fuel GaugeInspection ................................................ BE - 25

    Water Temperature GaugeInspection ................................................ BE - 26

    TachometerInspection ................................................ BE - 27

    SpeedometerInspection ................................................ BE - 28

    Door Warning IndicatorInspection ................................................ BE - 29

    Seat Belt Warning IndicatorInspection ................................................ BE - 30

    Parking Brake SwitchInspection ................................................ BE - 31

    Tilting Lock SensorInspection ................................................ BE - 32

    Hazard SwitchInspection ................................................ BE - 33

    Working Lamp SwitchInspection ................................................ BE - 34

    Front/Rear Fog Lamp SwitchInspection ................................................ BE - 35

    Idle Adjust SwitchInspection ................................................ BE - 36

    Multi Function SwitchComponents ................................................. BE - 37Inspection ..................................................... BE - 38

  • Digital TachographSpecifications ............................................... BE - 74Description.................................................... BE - 74Components ................................................. BE - 75Part Circuit Diaram ....................................... BE - 76Replacement ................................................ BE - 77DTC Chart ..................................................... BE - 77

    Audio SystemAudio Unit

    Components ........................................... BE - 78Replacement ........................................... BE - 80Cleaning ................................................. BE - 80

    SpeakerReplacement ........................................... BE - 81Inspection ................................................ BE - 82

    HornsHorns

    Component Location .............................. BE - 83Replacement ........................................... BE - 84Inspection ................................................ BE - 84

    Electronic Time And Alarm Control SystemComponents ................................................. BE - 85Circuit Diagram............................................. BE - 86Connector ..................................................... BE - 88Specifications ............................................... BE - 90Generals ....................................................... BE - 91Operating Principle ...................................... BE - 91

  • GeneralGenerals1. For servicing the electric system, the battery (-)terminal should be disconnected first.

    KMTBE5001A

    CAUTIONBefore connecting or disconnecting the (-)terminal, all lamp switches should be turn "OFF".(Otherwise, the semiconductor devices would bedamaged)

    2. If the harness can be contacted with a sharpenedpart or corner, wrap those portion with a tape forpreventing the harness from being damaged.

    KMTBE5002A

    3. When the parts are installed at the vehicle, be carefulthat the wiring harness is not torn off or damaged.

    KMTBE5003A

    4. When the fuse is burn-out, replace it with a new oneof rated ampere. If one of higher than nominalcapacity is used, the electric parts may be damagedor fire may be occurred.

    KMTBE5004A

  • 5. Be careful that the sensors or the relays are notshocked. Do not drop them down to the floor. Do notthrow them recklessly.

    KMTBE5005A

    6. As the electric components used for computer orrelay are easily damaged by a heat, if the service isperformed under the high temperature over 80C,these electric components should be removed inadvance.

    KMTBE5006A

    7. As the loosened connector may be the causes oftroubles, connecting of the connector should beensured.

    KMTBE5007A

    8. When disconnecting the harness, hold the connectorand pull it. Do not pull the harness to disconnect it.

    KMTBE5008A

    9. When disconnect the connector having a lockingdevice, press the lock to the arrow direction as shownin the following figure to remove the connector.

    KMTBE5009A

  • 10.When connecting the connector, insert the connectoruntil "Tag" sound can be heard.

    KMTBE5010A

    11.When checking the electric current or voltage at theconnector terminal using a circuit tester, insert thetester probe from the harness side. When theconnector is the sealed type, insert the probe throughthe hole in the wiring rubber cap. At that time, becareful that the insulating of the wire is not damaged.Insert the probe until it contacts with the connectorterminal completely.

    EMTBE5007A

    Inspection of Cable and Wire1. Check that the connecting portion is loosened orrusted.

    2. Check that the terminal or wire is corroded by thebattery electrolyte.

    3. Check that the circuit of the terminal or the wire isopened.

    4. Check that the wire is properly insulated or thesheath is damaged, cracked or deteriorated.

    5. Check that the conductive material of the wirecontacts with metal parts of other components (bodyor other parts).

    6. Check that the fixing bolt is electrically connected tothe body completely.

    7. Check that the wiring is properly performed.8. Fix the wiring firmly to preventing it from contactingwith the sharpened parts of body or the portionsmaking a high temperature (exhaust manifold orexhaust pipe).

    9. The wire should be fixed with enough clearance fromthe fan pulley, the fan belt and other rotating parts orvibrating parts.

    10.The wiring between the body, the fixed part, and theengine, the vibrating part, should be fixed afterdistancing or slacking the wire somewhat.

    KMTBE5012A

  • SpecificationsItem Specifications

    Indicator and Gauge(Except D4GA engine)

    Fuel gauge typeUnit type

    Cross coil type(Scale fixing type)Variable resistor type

    Water temperature gauge typeUnit type

    Cross coil type (Middle fixing type)Thermistor type

    Tachometer typeSensor type

    Cross coil typeMoving coil type

    Speedometer type Pulse type

    Odometer type Gear eddy current type

    Indicator type Bulb type

    Indicator and gauge(D4GA engine)

    Fuel gauge type Stepper motor

    Water temperature gauge Stepper motor(Middle fixing type)

    Tachometer type Stepper motor

    Speedometer type Stepper motor

    Indicator type LED type

    Multi function switch Nominal voltage DC 24V

    Operating temperature range -30~+80CNominal loadDimmer and Passing switchLightening switchTurn signal lamp switchWiper switchWasher switchExhaust brakeChange of volume

    0.12A (Relay load)0.12A (Relay load)2

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