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:
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B102004
Central Gateway ECU System Internal Failure
A malfunction in the non-volatile storage of the central gateway ECU
(ne
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 BACK DOOR UPPER PANEL TRIM ASSEMBLY
64790B -
- -
2 BACK DOOR SIDE GARNISH LH
67938A -
- -
3 BACK DOOR SIDE GARNISH RH
67937
System Description
Central Gateway ECU System Internal Failure (B102004)
