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:
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a system main relay on the HV battery negative side.
The cause of this malfunction may be one of the following: Inverter voltage sensor (VH) internal circuit malfunction
Voltage sensor
DESCRIPTION
Detection Item
Symptom
Trouble Area
Main Body ECU Communication Stop Mode
Communication stop for "Main Body" is indicated on the "Communication
Bus Check" screen of the GTS.
Click here
System Description
Hybrid/EV Battery Negative Contactor Actuator Stuck Closed (P0AA373)
