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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Motor Generator Control System (2WD) - Diagnostic Codes (4 Of 4)) >> MOTOR GENERATOR CONTROL SYSTEM (for 2WD) >> DTC P322F-64: Communication Error from Airbag to Generator Signal Plausibility Failure [12/2019 - 11/2023] >> Procedure

DTC P322F-64: Communication Error from Airbag to Generator Signal Plausibility Failure [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (SRS AIRBAG) 

    See step  1

    Result

    Result  Proceed to
    Airbag system DTCs are not output. A
    Airbag system DTCs are output. B

    Result: 

    B 

    GO TO DTC CHART (AIRBAG 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. CLEAR DTC 

    See step  6

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT (MOTOR GENERATOR) 
    1. Check for DTCs.

      Powertrain > Motor Generator > Trouble Codes 

      Result

      Result  Proceed to
      P322F-64 is output again. A
      P322F-64 is not output. B
    2. Turn the ignition switch off.

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  4

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

    Refer to PROCEDURE - 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: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  5

  5. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG SENSOR ASSEMBLY CONNECTOR) 

    See step  3

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - AIRBAG SENSOR ASSEMBLY) 

    See step  5

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. REPLACE AIR BAG SENSOR ASSEMBLY 

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CLEAR DTC 

    See step  6

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CHECK DTC OUTPUT (MOTOR GENERATOR) 
    1. Check for DTCs.

      Powertrain > Motor Generator > Trouble Codes 

      Result

      Result  Proceed to
      P322F-64 is not output. A
      P322F-64 is output. B
    2. Turn the ignition switch off.

    Result: 

    A 

    COMPLETED 

    Result: 

    B 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

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

  10. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2019 - 11/2023]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE AIR BAG SENSOR ASSEMBLY 

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

    Result: 

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

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