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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Steering >> Steering Column >> Heated Steering Wheel System - Inspection >> Heated Steering Wheel System >> Problem Symptoms Table [11/2023 - ] >> Problem Symptoms Table [11/2023 - ]

Problem Symptoms Table [11/2023 - ]

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 ECU-IGP NO. 3 fuse Refer to SYSTEM DIAGRAM [11/2023 - ] 
STRG HTR fuse
STRG HTR relay
Harness or connector
Steering heater switch Refer to INSPECTION [12/2019 - ]
Spiral cable sub-assembly Refer to INSPECTION [12/2019 - ]
Steering wheel assembly Refer to REMOVAL [11/2023 - ]