Component Inspection

Inspection Condition	Inspection Procedure	Reference
Ignition "ON".	Ignition "OFF". Connect KDS to Data Link Connector (DLC). Ignition "ON". Monitor "Diagnostic Trouble Codes (DTC)" with KDS. Clear any DTCs stored in the system with KDS. Re-check DTC in the system with KDS. Did the same DTC is stored in the system?	-

Good

Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and Go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the ECM and Go to "VERIFICATION OF REPAIR " procedure.