Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.
Key Reminder Warning System

Symptom

Suspected Area

Link

Key reminder buzzer does not sound

Proceed to "Key Reminder Buzzer does not Sound"

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     Terminals Of Ecu

    TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assem

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whethe

     Key Reminder Buzzer does not Sound

    DESCRIPTION The key reminder warning buzzer sounds when the driver door is opened while the ignition switch is off or ACC. The key reminder warning buzzer is activated when the main body ECU (multiple

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     Software Update

    SOFTWARE UPDATE CAUTION / NOTICE / HINT HINT: After replacing the forward recognition camera due to a system malfunction, make sure to perform "Software Update". The software of the forward recognition camera is always updated to the latest software via wireless communication using

     Opening/closing the back door (vehicles with a power back door)

    ■ Opening/closing the back door using the wireless remote control Press and hold the switch. Unlock the back door before operating. Pressing the switch while the back door is opening/closing will stop the operation. Pressing and holding the switch again will operate the back door in the opposite

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