Lexus ES: System Diagram
SYSTEM DIAGRAM
| Sender | Receiver | Signal | Communication Method |
|---|---|---|---|
| Radio Receiver Assembly | Air Conditioning Amplifier Assembly | Front wiper deicer switch signal | CAN |
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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 Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM (a) Turn the engine switch on (IG). (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch.
SEE MORE:
Cruise SET Indicator Light Circuit
DESCRIPTION The ECM illuminates the cruise SET indicator by sending request signals to the combination meter assembly via CAN communication. The cruise SET indicator illuminates when the dynamic radar cruise control system is controlling vehicle speed. If the cruise SET indicator is not operating co
Pressure Control Solenoid "A" Circuit Short to Ground or Open (P074514)
DESCRIPTION Refer to DTC P074512. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P074514 Pressure Control Solenoid "A" Circuit Short to Ground or Open While the vehicle is being driven so that gear changes occur, a short to ground or o
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