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:
PARTS LOCATION
ILLUSTRATION
*A
for HEV Model
*B
for Gasoline Model
*1
REAR TELEVISION CAMERA ASSEMBLY
*2
ECM
*3
BRAKE ACTUATOR ASSEMBLY
- NO. 2 SKID CONTROL ECU
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B003013 Second Row Left Side Airbag Deployment Control Circuit Open
One of the following conditions is met:
The airbag ECU assembly detects a