Lexus ES: System Diagram
SYSTEM DIAGRAM

Communication Table
| Transmitter | Receiver | Signal | Communication Method |
| Rear Window Defogger Switch (Air Conditioning Control Assembly) | Air Conditioning Amplifier Assembly | Rear Window Defogger Switch Signal | LIN |
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SYSTEM DESCRIPTION GENERAL (a) The rear window defogger wire (back window glass) is attached to the inside of the rear window and defogs the window surface quickly when the rear window defogger switch
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the window defogger system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the engine switch on (IG). (b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air condi
SEE MORE:
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Radio Receiver Assembly Multi-display Assembly Camera information signal GVIF Radio Receiver Assembly Rear Television Camera Assembly Setting information signal CAN Steering Sensor Rear Television Cam
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 COWL SIDE TRIM BOARD RH *3 FRONT DOOR OPENING TRIM COVER LH *4 FRONT DOOR OPENING TRIM COVER RH *5 FRONT DOOR SCUFF PLATE LH *6 FRONT DOOR SCUFF PLATE RH *7 INSTRUMENT SIDE PANEL LH *8 INSTRUMENT SIDE PANEL
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