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
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PRECAUTION
TROUBLESHOOTING PRECAUTIONS
(a) When inspecting the rear brakes, disconnect the connector or
disconnect the cable from the negative (-) auxiliary battery terminal in order to
shut off the supply of electrical power.
CAUTION:
Do not perform the rear brake inspection while either
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly)*1, refer to Registration.
*1: w/ Smart Key System
HINT:
Use the table below to help determine the cause of problem symptoms. If multipl