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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 78 (Motor Generator Control System (AWD) - Diagnostic Codes (1 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0A60-12: Drive Motor "A" Phase V Current (High Resolution) Circuit Short to Battery; DTC P0A60-14: Drive Motor "A" Phase V Current (High Resolution) Circuit Short to Ground or Open; DTC P0A60-1C: Drive Motor "A" Phase V Current (High Resolution) Circuit Voltage Out of Range; DTC P0A60-1F: Drive Motor "A" Phase V Current (High Resolution) Circuit Intermittent; DTC P0A63-12: Drive Motor "A" Phase W Current (High Resolution) Circuit Short to Battery; DTC P0A63-14: Drive Motor "A" Phase W Current (High Resolution) Circuit Short to Ground or Open; DTC P0A63-1C: Drive Motor "A" Phase W Current (High Resolution) Circuit Voltage Out of Range; DTC P0A63-1F: Drive Motor "A" Phase W Current (High Resolution) Circuit Intermittent [12/2019 - 11/2023] >> Procedure

DTC P0A60-12: Drive Motor "A" Phase V Current (High Resolution) Circuit Short to Battery; DTC P0A60-14: Drive Motor "A" Phase V Current (High Resolution) Circuit Short to Ground or Open; DTC P0A60-1C: Drive Motor "A" Phase V Current (High Resolution) Circuit Voltage Out of Range; DTC P0A60-1F: Drive Motor "A" Phase V Current (High Resolution) Circuit Intermittent; DTC P0A63-12: Drive Motor "A" Phase W Current (High Resolution) Circuit Short to Battery; DTC P0A63-14: Drive Motor "A" Phase W Current (High Resolution) Circuit Short to Ground or Open; DTC P0A63-1C: Drive Motor "A" Phase W Current (High Resolution) Circuit Voltage Out of Range; DTC P0A63-1F: Drive Motor "A" Phase W Current (High Resolution) Circuit Intermittent [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (MOTOR GENERATOR) 
    1. Check for DTCs.

      Powertrain > Motor Generator > Trouble Codes 

      Result

      Result Proceed to
      P0A60-12, P0A60-14, P0A60-1C, P0A60-1F, P0A63-12, P0A63-14, P0A63-1C or P0A63-1F only is output, or DTCs except the ones in the table below are also output. A
      Any of the following DTCs including pending DTCs are also output. B
      Malfunction Content Relevant DTC
      Power source circuit malfunction P06B0-1C Generator Control Module Position Sensor REF Power Source Circuit Voltage Out of Range
      P06D6-1C Generator Control Module Offset Power Circuit Voltage Out of Range
      System malfunction P0A78-73 Drive Motor "A" Inverter Actuator Stuck Closed

      HINT: 

      1. P0A60-12, P0A60-14, P0A60-1C, P0A60-1F, P0A63-12, P0A63-14, P0A63-1C or P0A63-1F may be output as a result of the malfunctions indicated by the DTCs above.
        1. The chart above is listed in inspection order of priority.
        2. Check DTCs that are output at the same time by following the listed order. (The main cause of the malfunction can be determined without performing unnecessary inspections.)
    2. Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (MOTOR GENERATOR CONTROL SYSTEM)  . Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023]

    Result: 

    A 

    See step  2

  2. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR) 

    See step  3

    Result

    Result Proceed to
    OK A
    NG (The connector is not connected securely.) B
    NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C

    Result: 

    A 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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