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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (2GR-FXE) - Diagnostic Codes (7 Of 7) >> Hybrid Control System >> DTC P0A78-202: Drive Motor "A" Inverter Performance [11/2015 - 11/2016] >> Procedure

DTC P0A78-202: Drive Motor "A" Inverter Performance [11/2015 - 11/2016]: Procedure

  1. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) 

    Refer to PROCEDURE - Step 12

    Result

    Proceed to
    OK
    NG

    Result:  2

    NG 

    See step  3

    Result:  1

    OK 

    See step  2

  2. REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to COMPONENTS [02/2014 - 11/2016]

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  5

  3. REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    Refer to COMPONENTS [11/2015 - 11/2016]

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  4

  4. REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to COMPONENTS [02/2014 - 11/2016]

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  5

  5. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Check the other DTCs that were output together with DTC P0A78-202.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Relevant DTC
      P0A78-113, 284, 286, 287, 505, 506 Drive Motor "A" Inverter Performance
      NOTE:

      DTC P0A78-202 is stored after DTCs P0A78-113, 128, 284, 286, 287, 505 and/or 506 are stored. After troubleshooting and repairing the malfunction which caused DTC P0A78-202 to be stored, be sure to troubleshoot all the other DTCs.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2015 - 11/2016]