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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 >> Power Back Door does not Operate Using Cabin Switch [11/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • If the multiplex network door ECU has been replaced, or if any of the connectors has been disconnected, initialize the power back door system.

    Refer to INITIALIZATION [11/2023 - ]

  • First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

  • The auxiliary battery supplies power to the main body ECU (multiplex network body ECU) via the integration control supply. If a main body ECU (multiplex network body ECU) power source malfunction occurs, the integration control supply may be malfunctioning.
  • If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.

    for HV Model: Refer to REGISTRATION [11/2023 - ]

    for Gasoline Model: Refer to REGISTRATION [11/2023 - ]

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