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:
Components
COMPONENTS
ILLUSTRATION
*1
FRONT DRIVE SHAFT OIL SEAL LH
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Non-reusable part
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Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
The necessary procedures (adjustment,
INSPECTION
PROCEDURE
1. INSPECT TRANSMISSION REVOLUTION SENSOR (NSS)
(a) Connect the battery to the transmission revolution sensor (NSS) as shown
in the illustration.
*1
Battery
*2
Ammeter
*a
Component without harness co