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 TCM and engine stop and start ECU send and receive signals via CAN communication.
If a communication error occurs between the TCM and engine stop and start ECU,
the TCM stores this DTC.
DTC No.
Detection Item
DTC Detection Condition
Tr
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU and airbag ECU detect that a collision has occurred and shut off the system main relay.
The cause of this DTC may be one of the following:
Collision is detected
Detection sensor system malfunction
Airbag system