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 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
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 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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DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C Lost Communication with Power Source Control An internal malfunction occurs in the certificat
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during DCM (telematics transceiver) removal/installation are shown below. Necessary Procedure After Parts Remo
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