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 The headlight ECU sub-assembly operates using the power source voltage input from the IGR terminal and ECUB terminal.
The IG terminal power source voltage is supplied by turning the IGR-NO.1 relay to ON.
The headlight ECU sub-assembly receives ignition switch ON signals from the main b
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B003812 Second Row Right Side Airbag Deployment Control Circuit Short to Battery
One of the following conditions is met:
The airbag ECU assem
System Description
IG Circuit Short to Ground or Open (B242E14)
