Toyota Corolla Cross: System Diagram
Toyota Corolla Cross (2022-2024) Service Manual / Steering / Steering Column / Heated Steering Wheel System / System Diagram
SYSTEM DIAGRAM
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION
HEATED STEERING WHEEL SYSTEM
(a) The steering heater warms up the steering wheel when the steering heater
switch is turned on.
(b) The steering heater uses a control thermostat
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
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
SEE MORE:
Central Gateway ECU System Internal Failure (B102004)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
DTC Output from
Priority
Note
B102004
Central Gateway ECU System Internal Failure
A malfunction in the non-vola
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DRIVE SHAFT ASSEMBLY
(a) Check that there is no excessive play in the radial direction of
the outboard joint.
(b) Check that the inboard joint slides smoothly in the thrust direction.
(c) Check t
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