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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes - (Hybrid) (7 Of 8) >> Hybrid Control System >> DTC P0A78-202: Drive Motor "A" Inverter Performance [10/2014 - 10/2015] >> Procedure

DTC P0A78-202: Drive Motor "A" Inverter Performance [10/2014 - 10/2015]: Procedure

  1. CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2) 

    See step  12

    Result: 

    NG 

    See step  4

    Result: 

    OK 

    See step  2

  2. REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NEXT 

    See step  3

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

      Result

      DTC No. Relevant Diagnosis
      P0A78-113, 128, 284, 286, 287, 505, 506, 806, 807, 808 Drive Motor "A" Inverter Performance
      NOTE:

      DTC P0A78-202 is stored after DTCs P0A78-113, 128, 284, 286, 287, 505, 506, 806, 807 and/or 808 are stored. After troubleshooting and repairing the malfunction which caused DTC P0A78-202 to be stored, be sure to troubleshoot all the other DTCs.

    NEXT 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 10/2015] )

  4. REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NEXT 

    See step  5

  5. REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NEXT 

    See step  6

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

      Result

      DTC No. Relevant Diagnosis
      P0A78-113, 128, 284, 286, 287, 505, 506, 806, 807, 808 Drive Motor "A" Inverter Performance
      NOTE:

      DTC P0A78-202 is stored after DTCs P0A78-113, 128, 284, 286, 287, 505, 506, 806, 807 and/or 808 are stored. After troubleshooting and repairing the malfunction which caused DTC P0A78-202 to be stored, be sure to troubleshoot all the other DTCs.

    NEXT 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 10/2015] )