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
Detection Item
Symptom
Trouble Area
Headlight ECU RH Communication Stop Mode
Communication stop for "Headlight Control (Sub)" is indicated on the
"Communication Bus Check" screen of the GTS.
DESCRIPTION
The front center ultrasonic sensor (FRC sensor) is installed
on the front bumper. The clearance warning ECU assembly detects obstacles based
on signals it receives from the front center ultrasonic sensor (FRC sensor). If
an open circuit or other malfunction occurs in the front cen
System Description
Headlight ECU RH Communication Stop Mode
