Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Door Lock / Key Reminder Warning System / 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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     Deterioration of Battery Low Capacity (P160200)

    DESCRIPTION The ECM determines the battery status according to the voltage of the BATT terminal while the engine is running (not cranking). DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate

     Fail-safe Chart

    FAIL-SAFE CHART If any of the following DTCs are stored, the engine stop and start ECU enters fail-safe mode to preserve vehicle operability. DTC Component Fail-safe Operation Fail-safe Deactivation Condition P033562 Open in engine speed signal circuit - All of the f

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