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 headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the Lo/Hi beam LED of their respective headlight.
By monitoring the LED power supply voltage, abnormal current and malfunctions can be
PARTS LOCATION
ILLUSTRATION
*A
w/ Parking Assist Monitor System
*B
for Gasoline Model
*C
for HEV Model
-
-
*1
ECM
*2
OUTER REAR VIEW MIRROR ASSEMBLY RH
System Description
Headlight Source LH Malfunction (B243900,B243A00)
