Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
SYSTEM DIAGRAM

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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
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the heated steering wheel system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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:
RemovalREMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 BACK DOOR INSIDE HANDLE BASE ASSEMBLY
69290G -
- -
2 NO. 1 POWER BACK DOOR CONTROL SWITCH
84966A -
- - PROCEDURE
1. REMOVE BACK DOOR INSIDE
INSPECTION
PROCEDURE
1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY
(a) Inspect the turning torque of the ball joint.
(1) Secure the front lower ball joint assembly in a vise using aluminum
plates.
(2) Install the nut to the front lower ball joint assembly stud.
(3) Using a to