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:
DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Start Function)
DTC No. Detection Item
Link B227111
IG Circuit Short to Ground
B227411 ACC Circuit Short to Ground
B227511 Starter Circuit Short to Ground
B227512 Start
DESCRIPTION
The tire pressure warning ECU and receiver receives signals from the skid control
ECU (brake actuator assembly) via the CAN communication system.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U012987
System Description
Diagnostic Trouble Code Chart
