Toyota Yaris: Heated Steering Wheel System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Steering / Steering Column / Heated Steering Wheel 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.

Heated Steering Wheel System

Symptom

Suspected Area

Link

Steering wheel does not heat up when heated steering wheel switch is pressed

STRG-HTR fuse

STRG-HTR relay

ECU-IGP NO. 3 fuse

Harness and connector

Steering heater switch

Spiral cable sub-assembly

Steering wheel assembly

    How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the heated steering wheel system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2...

    Steering Column Assembly

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    Other information:

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Actuator Supply Voltage "A" Circuit Short to Ground or Open (P065714)


    DESCRIPTION The electronic throttle control system has a dedicated power supply circuit. The voltage (+BM, +BM2) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the electronic throttle control system and cuts off the current to the throttle actuator...

    Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Parts Location


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    Categories

    Key Suspend Function

    If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.

    To restore the functions, press the unlock button on the functions-suspended key in the vehicle.

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