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 inverter with converter assembly (MG ECU) send and receive signals via CAN communication.
If a communication error occurs between the ECM and inverter with converter assembly, the ECM illuminates the MIL and stores this DTC.
DTC No. Detection Item
DTC Detection
OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM
(a) Turn the ignition switch to ON. (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch.
(c) Confirm that windshield deicer system operation stops after approximately 15 minutes.
NOTICE
System Description
Lost Communication with Drive Motor Control Module "A" Missing Message (U011087)
