Pcm Quick Test: Notes

PCM QUICK TEST REFERENCE CHART

	UNABLE TO ENTER SELF-TEST		ACTION
1	RECORD CONTINUOUS MEMORY DTC AND FREEZE FRAME DATA (FFD) Connect WDS or equivalent tester to data link connector (DLC). Key on, engine off (KOEO). Retrieve all stored DTCs. Are any DTCs present?	Yes	Record all stored DTCs (continuous memory DTC) and freeze frame data (FFD) on repair order. Go to next step.
1		No	Go to next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Check for related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to available repair information. If vehicle is not repaired, Go to next step.
2		No	Go to next step.
3	PERFORM KEY ON, ENGINE OFF (KOEO) SELF-TEST Warm engine to normal operating temperature. Key on, engine off (KOEO). Turn off all electrical loads. Activate KOEO on demand self-test using WDS or equivalent tester Diagnostic Test Modes. Are any KOEO DTCs (except P1000) present?	Yes	Reset KOEO DTC. Go to applicable DTC troubleshooting procedure. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) .
3		No	Go to next step.
4	PERFORM KEY ON, ENGINE RUNNING (KOER) SELF-TEST Key on, engine running (KOER). Activate KOER on demand self-test using WDS or equivalent tester diagnostic test modes. Are any KOER DTCs (except P1000) present?	Yes	Reset KOER DTC. Go to applicable DTC troubleshooting procedure. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) .
4		No	If continuous memory DTC was present at step 1, Go to applicable DTC troubleshooting procedure. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) . If continuous memory DTC was NOT present at step 1, go to SYMPTOM TROUBLESHOOTING CHART - POWERTRAIN CONTROL MODULE (PCM) . See SYMPTOM TROUBLESHOOTING CHART - ENGINE MECHANICAL .