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 power switch on (IG). (b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air condit
SEE MORE:
REMOVAL PROCEDURE 1. REMOVE LUGGAGE COMPARTMENT FLOOR MAT Click here 2. REMOVE SPARE WHEEL COVER TRAY Click here 3. REMOVE REAR FLOOR FINISH PLATE Click here 4. REMOVE LUGGAGE COMPARTMENT DOOR WEATHERSTRIP (a) Remove the luggage compartment door weatherstrip.
COMPONENTS ILLUSTRATION *1 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY - - ILLUSTRATION *1 BRAKE PEDAL STROKE SENSOR ASSEMBLY *2 BRAKE PEDAL SUPPORT ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - -
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