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C13, C15, and C18 Engines/ ARD Fuel Pressure Is LowARD Fuel Pressure Is Low
This procedure covers the following diagnostic trouble codes:
Note: Refer to Troubleshooting, "Cat ET Service Features" for information about service
features.
Table 1
Diagnostic Trouble Codes
J1939
Code
CDL
CodeCode Description Comments
3480-17 E1052
(1)
Low Aftertreatment #1 Fuel
Pressure #1 - Least Severe
There are Enhanced
Troubleshooting Indicators for
this code.
3480-18 E1052
(2)
Low Aftertreatment #1 FuelPressure #1 - Moderate
Severity
There are not EnhancedTroubleshooting Indicators for
this code.
4077-17 E1053
(1)
Low Aftertreatment #1 Fuel
Pressure #2 - Least Severe
There are Enhanced
Troubleshooting Indicators for
this code.
4077-18 E1053
(2)
Low Aftertreatment #1 Fuel
Pressure #2 - Moderate
Severity
There are not Enhanced
Troubleshooting Indicators for
this code.
Table 2
Required Parts for Use with a 11/16 Fitting
8T-0855Pressure Gauge
8T-8902Tee
228-7089O-Ring Seal (Tee)
6V-4144Quick Connect Coupler
6V-3965Fitting
3J-1907O-Ring Seal
Required Parts for Use with a 9/16 Fitting
7X-2444Swivel Tee
214-7568O-Ring Seal (Tee)
6V-3965Fitting
3J-1907O-Ring Seal
8T-0855Pressure Gauge
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6V-4144Quick Connect Coupler
Optional Parts
177-7860Hose As
177-7861Hose As
177-7862Hose As
126-68729/16 Tee
8C-330911/16 Tee
Table 3
Associated Diagnostic Trouble Codes
5580-18 or E198
3427-5 or 5423-5
3427-6 or 5423-6
Table 4
Troubleshooting Test Steps Values Results
1. Check for Associated Diagnostic
Trouble Codes
A. Establish communication between
Caterpillar Electronic Technician (ET)
and the Electronic Control Module
(ECM) . Refer to Troubleshooting,
"Electronic Service Tools", if necessary.
B. Check for associated diagnostic
trouble codes.
Associated
Diagnostic
Trouble
Codes
Result:A 5580-18 or E198
code is not active. Proceed
to Test Step 2.
Result:A 5580-18 or E198
code is active.
Refer to Troubleshooting,
"Fuel Pressure Is Low" for
the proper troubleshooting
procedure. STOP.
Result:A 3427-5, 3427-6,
5423-5 or 5423-6 code is
active.
Refer to Troubleshooting,
"Solenoid Valve - Test" for
the proper troubleshooting
procedure.
2. Record the Enhanced
Troubleshooting Indicator (ETI) Code
A. Establish communication between
Caterpillar Electronic Technician (ET)and the Electronic Control Module
Recorded ETI
code
Result:Record the ETI
code if present.
Proceed to Test Step 3.
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(ECM) . Refer to Troubleshooting,
"Electronic Service Tools", if necessary.
B. The ETI code is located in the "Active
Events" or "Logged Events" screen in
Cat ET. Record the EnhancedTroubleshooting Indicator (ETI) code.
ETI codes are not available for (2) or -
18 codes.
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Table 5
Troubleshooting Test StepsValues
Results
3. Check for External Leaks
A. Check for external leaks.
Inspect the fuel lines from the
pump to the fuel manifold.Check for pinched lines or
leaking lines.
External
leaks
Result:A leak or pinched line was not
found.
Proceed to Test Step 4.
Result:A leak or pinched line was found.
Repair all damaged lines or leaking lines.
Perform the "ARD Ignition Test" by usingCat ET. Refer to System Operation and
Testing and Adjusting , "ARD Fuel
System - Test". If the "ARD Ignition Test"
was successful, return the unit to service.
If the ARD ignition test was not
successful, Proceed to Test Step 4.
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Table 6
4. Check for Electrical Power at the Fuel
Priming Pump
A. Turn the keyswitch to the ON position. Do
not start the engine.
B. Establish communication between Cat ET
and the engine ECM. Select "Fuel Priming
Command Override" or use the manual
priming switch (if equipped) in order to
activate the ARD fuel pump. Refer to
Troubleshooting, "Cat ET Service Features"
for information about service features.
C. Check for voltage between pin 1 and pin 2
on the connector to the fuel priming pump.
Check the voltage while the pump is in
override. Voltage is not present unless the
pump is priming.
D. Deactivate the override.
E. Turn the keyswitch to the OFF position.
F. Check the voltage at the battery.
Voltage
within 3
VDC of thebattery
voltage
Result:The voltage at
the ARD fuel pump is
within 3 VDC of the
battery voltage.
Proceed to Test Step 5.
Result:The voltage at
the ARD fuel pump is notwithin 3 VDC of the
battery voltage.
Refer to the machine
troubleshooting
schematic in order to
troubleshoot the circuit
for the priming pump.
STOP.
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ARD electric pump
(1) Pump(2) Base Assembly
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ARD electric pump(3) Output port of the pump
Assembled required parts
Table 7
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Troubleshooting Test Steps Values Results
5. Check the Pump
A. Turn the engine "OFF".
B. Disconnect the ARD fuel line
from the pump.
C. Install the required parts listed in
Table 2 at the outlet port of the
pump.
D. Start the engine.
E. Select the "Aftertreatment Fuel
Pump Relay Override" in the"Engine #1 Aftertreatment
Controller" using Cat ET in order to
activate the pump.
F. Override the pump and record
the pressure from the pressure
gauge.
G. Deactivate the override.
H. Turn the keyswitch to the OFF
position.
I. The pressure must be within
specifications. The pump pressure
must be 1900 120 kPa (275.5
17.4 psi).
1900
120 kPa
(275.5
17.4 psi)
Result:The pump is not within
specifications.
Refer to Troubleshooting, "ARD
Fuel Supply - Test" for
troubleshooting information. STOP.
Result:The pump is within
specifications.
If you are troubleshooting a E1052
(1) or 3480-17 diagnostic code or a
E1053 (1) or 4077-17 diagnosticcode with an ETI of 2 or 3, proceed
to Test Step 6.
Result:The pump is within
specifications.
If you are troubleshooting an E1052
(2) or 3480-18 diagnostic code,
proceed to Test Step 7.
If you are troubleshooting a E1053
(2) or 4077-18 diagnostic code,
proceed to Test Step 8.
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CEM (typical)(4) Fuel filter fitting
Table 8
Troubleshooting Test Steps Values Results
6. Replace the Filter for the ARD Fuel
Manifold
A. Replace the filter for the ARD fuel
manifold.
B. Reset all active codes and clear all
logged codes by using Cat ET.
C. Perform the "ARD Ignition Test" by
using Cat ET. Refer to System Operation
and Testing and Adjusting , "ARD Fuel
System - Test".
The ARD Ignition Test cannot be
performed if the DPF soot loading is
above 80%. When the DPF soot loading is
above 80%, the Manual DPF
Regeneration must be performed using
Cat ET.
Filter
replacement
Result:The "ARD IgnitionTest" was successful and no
codes were logged. Return
the unit to service. STOP.
Result:The "ARD Ignition
Test" was not successful.
If you are troubleshooting an
E1052 (1) or 3480-17 code
with an ETI of 2, Proceed to
Test Step 7.
Result:The "ARD Ignition
Test" was not successful.
If you are troubleshooting an
E1053 (1) or 4077-17 code
with an ETI of 2, Proceed to
Test Step 8.
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CEM (typical)
(5) Main solenoid valve(6) Pilot solenoid valve
Table 9
Troubleshooting Test Steps Values Results
7. Replace the Pilot Solenoid Valve
A. Replace the pilot solenoid valve.
B. Reset all active codes and clear all
logged codes by using CAT ET.
C. Perform the "ARD Ignition Test". Refer
to Troubleshooting, "ARD Ignition - Test".
The ARD Ignition Test cannot be
performed if the DPF soot loading is above
80%. When the DPF soot loading is above
80%, the Manual DPF Regeneration must
be performed using Cat ET.
Pilot valve
replacement
Result:The "ARD
Ignition Test" was
successful and no codes
were logged. Return the
unit to service. STOP.
8. Replace the Main Solenoid Valve
A. Replace the main solenoid valve.
B. Reset all active codes and clear all
logged codes by using CAT ET.
Main valve
replacement
Result:The "ARD
Ignition Test" was
successful and no codes
were logged. Return the
unit to service. STOP.
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C. Perform the "ARD Ignition Test". Refer
to Troubleshooting, "ARD Ignition - Test".
The ARD Ignition Test cannot be
performed if the DPF soot loading is above80%. When the DPF soot loading is above
80%, the Manual DPF Regeneration must
be performed using Cat ET.