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 ECM and hybrid vehicle control ECU assembly send and receive signals via CAN communication.
If a communication error occurs between the ECM and hybrid vehicle control ECU assembly, the ECM illuminates the MIL and stores this DTC.
DTC No. Detection Item
DTC Detection Co
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 FRONT SEAT ASSEMBLY
- -
- -
2 FRONT SEAT FRONT CUSHION SHIELD
71868N -
- -
3 FRONT SEAT CUSHION SHIELD
71812D
System Description
Lost Communication With Hybrid Powertrain Control Module Missing Message (U029387)
