Toyota Corolla Cross: System Diagram
Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Window / Glass / Windshield Deicer System / System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION GENERAL The windshield deicer system uses thin heater wires attached to the inside of the windshield glass to help deice the window surface more quickly. An indicator light illumina
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the windshield deicer system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM
(a) Turn the ignition switch to ON. (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch
SEE MORE:
Interior Light Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the following lights:
Map Light Assembly
Room Light Assembly
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 MULTIPLEX NETWORK DOOR ECU
89222A -
- -
2 BACK DOOR TRIM PANEL ASSEMBLY
64780A -
- -
3 BACK DOOR SIDE GARNISH LH
67938A -
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