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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Back Door System - Diagnostics - Introduction >> Power Back Door System >> Problem Symptoms Table [11/2023 - ] >> Problem Symptoms Table [11/2023 - ]

Problem Symptoms Table [11/2023 - ]

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POWER BACK DOOR SYSTEM

Symptom Suspected Area Link
Power back door cannot be operated using any switch Meter/gauge system Refer to Power Back Door cannot be Operated Using Any Switch [11/2023 - ]
Check customize setting (power back door function)
Check customize setting (Unlock Key Twice Function "Disable")
Check customize setting (Wireless Unlock Twice Function "Disable")
Check customize setting (Entry Unlock Twice Function "Disable")
Power back door sensor assembly RH
Power back door sensor assembly LH
Harness and connector
Multiplex network door ECU
Power back door does not operate using the cabin switch Power back door control switch Refer to Power Back Door does not Operate Using Cabin Switch [11/2023 - ]
Harness and connector
Multiplex network door ECU
Main body ECU (multiplex network body ECU)
Power back door does not operate using outside switch No. 1 power back door control switch Refer to Power Back Door does not Operate Using Outside Switch [11/2023 - ]
Harness and connector
Multiplex network door ECU
Power back door cannot be opened using the back door opener switch assembly (open switch) (back door entry unlock function operates normally) Multiplex network door ECU Refer to REMOVAL [11/2023 - ]
Power back door cannot be operated using kick sensor* Harness and connector Refer to Power Back Door cannot be Operated Using Kick Sensor [11/2023 - ]
Kick door control sensor
Multiplex network door ECU
Power back door cannot be operated using kick sensor and back door opener switch assembly* Smart key system (for Entry Function) Refer to PROBLEM SYMPTOMS TABLE [11/2023 - ]
Back door closer does not operate Back door visual check (foreign objects) Refer to Back Door Closer does not Operate [11/2023 - ]
Back door lock with courtesy light switch assembly
Harness and connector
Multiplex network door ECU
Jam protection function activates during power back door operation Back door visual check (foreign objects) Refer to Jam Protection Function Activates During Power Back Door Operation [11/2023 - ]
Power back door sensor assembly RH
Power back door sensor assembly LH
Harness and connector
Multiplex network door ECU
Power back door warning system does not operate Wireless door lock control system Refer to Power Back Door Warning System does not Operate [11/2023 - ]
Harness and connector
Power back door warning buzzer
Multiplex network door ECU
Power back door cannot be operated frequently Refer to "Power Back Door cannot be Operated Frequently". Refer to Power Back Door cannot be Operated Frequently [11/2023 - ]
  1. *: w/ Hands Free Power Back Door