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Home >> Toyota >> 2017 >> Yaris iA Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P052000 - P212300) >> SFI System >> DTC P064D-00: Internal Control Module O2 Sensor Processor Performance - Bank 1 >> Procedure
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DTC P064D-00: Internal Control Module O2 Sensor Processor Performance - Bank 1: Procedure

  1. PURPOSE: PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS ECM 
    1. Clear the DTC from the ECM memory using the Techstream.

      Refer to CLEARING DTC

    2. Perform the KOER self test.

      Refer to ON-DEMAND SELF-TEST/KEY-ON ENGINE RUNNING SELF-TEST

    3. Is the same DTC present?

      Result

      Result
      Yes
      No

    Result:  2

    Yes 

    See step  3

    Result:  1

    No 

    See step  2

  2. PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION 
    1. Is any other DTC or pending code stored?

      Result

      Result
      Yes
      No

    Result:  1

    No 

    DTC TROUBLESHOOTING COMPLETED. 

    Result:  2

    Yes 

    GO TO THE APPLICABLE DTC INSPECTION. 

    1. Refer to DIAGNOSTIC TROUBLE CODE CHART
  3. REPLACE THE ECM. 
    1. Refer to REMOVAL
    2. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  2