Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Window / Glass / Windshield Deicer System (for Hv Model) / 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 power switch on (IG). (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch.
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Open in Bus 5 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 15 (CA5H) and 16 (CA5L) of the centr
Remote Touch Screen Does not Generate Vibration Feedback
DESCRIPTION When each button displayed on the multi-display assembly is selected via remote touch screen operation, the remote touch screen generates vibration feedback according to communication between the remote touch and radio receiver assembly. CAUTION / NOTICE / HINT NOTICE:
Depending on th
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