Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

If the battery voltage is low, the mirror heater function may not operate.

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Power Mirror Control System (w/ Memory)

Symptom

Suspected Area

Link

Driver side power mirror cannot be adjusted with power mirror switch

Proceed to "Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch"

Front passenger side power mirror cannot be adjusted with power mirror switch

Proceed to "Front Passenger Side Power Mirror cannot be Adjusted with Power Mirror Switch"

Power mirror cannot be adjusted with power mirror switch

Proceed to "Power Mirror cannot be Adjusted with Power Mirror Switch"

Mirror heater does not operate with rear defogger switch

Proceed to "Mirror Heater does not Operate with Rear Defogger Switch"

Power mirror surface position is not memorized (Registration operation that does not use wireless or smart key is not functioning)

Proceed to "Power Mirror Surface Position is not Memorized"

Power mirrors do not return to memorized position (Recall operation that does not use wireless or smart key is not functioning)

Proceed to "Power Mirrors do not Return to Memorized Position"

Wireless transmitter memory function does not operate (Registration operation that uses wireless or smart key is not functioning)

Smart key system (for Entry Function, HV Model)

Wireless door lock control system (for HV Model)

Front power seat control system (for HV Model with Memory)

Main body ECU (Multiplex network body ECU)

Wireless-linked return function does not operate (Recall operation that uses wireless or smart key is not functioning)

Smart key system (for Entry Function, HV Model)

Wireless door lock control system (for HV Model)

Front power seat control system (for HV Model with Memory)

Main body ECU (Multiplex network body ECU)

Automatic glare-resistant EC mirror does not operate

Inner rear view mirror assembly

Outer rear view mirror assembly LH

-

Outer rear view mirror assembly RH

-

Wire harness or connector

-

    Precaution

    System Description

    See More:

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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