Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System (for Hv Model) / 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
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
How To Proceed With Troubleshooting
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
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
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Abnormal Leak in Accumulator (C1391)
DESCRIPTION This DTC is stored if internal or external brake fluid leaks are detected due to improper sealing in the brake actuator (brake booster with master cylinder assembly) or brake booster pump assembly. Internal leaks are suspected if the pump motor operates frequently without braking. DTC
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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