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Pcm Quick Test

PCM QUICK TEST

STEP INSPECTION ACTION
1 RECORD CONTINUOUS MEMORY DTC AND FREEZE FRAME DATA (FFD)
  • Connect WDS or equivalent tester to the 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.
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.
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 Repair KOEO DTC.
Go to applicable DTC troubleshooting procedure. DIAGNOSTIC TROUBLE CODE NUMBERS  .
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 Repair KOER DTC.
Go to applicable DTC troubleshooting procedure. DIAGNOSTIC TROUBLE CODE NUMBERS 
No If Continuous Memory DTC was present at step 1, see DIAGNOSTIC TROUBLE CODE NUMBERS  .
If Continuous Memory DTC was not present at step 1, go to SYMPTOM TROUBLESHOOTING .
FUEL PUMP ALWAYS ON  .
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