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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Back Door System - Diagnostic Codes & Symptom Tests >> Power Back Door System >> DTC B222A-13: PBD Touch Sensor LH Circuit Circuit Open [11/2023 - ] >> Procedure

DTC B222A-13: PBD Touch Sensor LH Circuit Circuit Open [11/2023 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Back Door > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. REPRODUCE DTC 
    1. Perform a power back door close operation.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Back Door > Trouble Codes 

      Result

      Result Proceed to
      B222A-13 is output A
      B222A-13 is not output B

    Result: 

    B 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    A 

    See step  4

  4. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Back Door > Data List 

      Tester Display Measurement Item Range Reference Value Diagnostic Note
      PBD Touch Sensor LH Power back door sensor assembly LH signal ON, OFF or Open Open: Power back door sensor assembly LH circuit open -

      Body Electrical > Back Door > Data List 

      Tester Display
      PBD Touch Sensor LH

      Result

      Result Proceed to
      The value of PBD Touch Sensor LH is Open A
      None of the above conditions are met B

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  5

  5. INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR SENSOR ASSEMBLY LH) 

    Pre-procedure1

    1. Disconnect the W29 multiplex network door ECU connector.
    2. Disconnect the W10 power back door sensor assembly LH connector.

      Procedure1

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W29-1 (OSL) - W10-1 (OSL) Always Below 1 Ω
      W29-9 (OSE) - W10-2 (OSLE) Always Below 1 Ω
      W29-1 (OSL) or W10-1 (OSL) - Body ground Always 10 kΩ or higher
      W29-9 (OSE) or W10-2 (OSLE) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  7. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Back Door > Data List 

      Tester Display Measurement Item Range Reference Value Diagnostic Note
      PBD Touch Sensor LH Power back door sensor assembly LH signal ON, OFF or Open OFF: Power back door sensor assembly LH not pressed -

      Body Electrical > Back Door > Data List 

      Tester Display
      PBD Touch Sensor LH

      Result

      Result Proceed to
      The value of PBD Touch Sensor LH is OFF A
      None of the above conditions are met B

    Result: 

    B 

    See step  5

    Result: 

    A 

    See step  8

  8. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Back Door > Data List 

      Tester Display Measurement Item Range Reference Value Diagnostic Note
      PBD Touch Sensor LH Power back door sensor assembly LH signal ON, OFF or Open ON: Power back door sensor assembly LH pressed -

      Body Electrical > Back Door > Data List 

      Tester Display
      PBD Touch Sensor LH

      Result

      Result Proceed to
      The value of PBD Touch Sensor LH is ON A
      None of the above conditions are met B

    Result: 

    A 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    B 

    See step  5

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