Recommended Actions
Table 42
Troubleshooting Test Steps Values Results
1. Diagnostic Codes
A. Connect the electronic service tool to the diagnostic connector.
Refer to Troubleshooting, “Electronic Service Tools”, if necessary.
B. Use the electronic service tool to check for active diagnostic
codes.
Diagnostic codes Result: One of the diagnostic codes listed in Table 41 is
active.
Proceed to Test Step 2.
Result: A diagnostic code that is not listed in Table 41 is
active.
Troubleshoot the code. Refer to Troubleshooting, “Diag-
nostic Trouble Codes”.
Result: There are no active diagnostic codes.
Return the engine to service.
2. Electrical Connectors
A. Check for the correct installation of the ECM J1/P1 and the J2/
P2 connectors. Check for correct installation of the connector on
the fuel rail pressure sensor.
Connectors Result: There are suspect connectors.
Repair or replace connectors that are suspect.
Result: There are no suspect connectors.
Proceed to Test Step 3.
3. Fuel Filters
A. Replace the primary fuel filter and the secondary fuel filters. Re-
fer to the Operation and Maintenance Manual for further
information.
Fuel filters Result: The filters have been replaced and the fault is
eliminated.
Return the unit to service.
Result: The filters have been replaced and the fault is
still present.
Proceed to Test Step 4.
(continued)
UENR0612 95
Symptom Troubleshooting
This document has been printed from SPI2. NOT FOR RESALE
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