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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> On-Board Diagnostic - Engine Control System (2 Of 3) >> DTC P064D-00: Internal Control Module A/F Sensor Processor Performance Problem >> Troubleshooting Diagnostic Procedure >> Intention of troubleshooting procedure
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Intention of troubleshooting procedure

TROUBLESHOOTING DIAGNOSTIC PROCEDURE

STEP INSPECTION RESULTS ACTION
1 PURPOSE: PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS PCM
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
No Go to the next step.
2 PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION
  • Is any other DTC or pending code stored?
Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No DTC troubleshooting completed.