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Home >> Mazda >> 2006 >> B3000 Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Symptom Troubleshooting - (3 Of 5) >> DTC Application Chart - Powertrain Control Module (Pcm) >> Pcm Quick Test
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Pcm Quick Test

PCM QUICK TEST 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.
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 Reset KOEO DTC. Go to applicable DTC troubleshooting procedure. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) .
No Go to next step.
3 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) .
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. See SYMPTOM TROUBLESHOOTING CHART - ENGINE MECHANICAL .
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