Lexus NX: System Diagram
SYSTEM DIAGRAM

Communication Table
| Transmitter | Receiver | Signal | Communication Method |
| Multi-display Assembly | Radio Receiver Assembly | Windshield deicer switch signal | GVIF |
| Radio Receiver Assembly | Air Conditioning Amplifier Assembly | Windshield deicer switch signal | CAN |
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SYSTEM DESCRIPTION GENERAL The windshield deicer thin heater wires are attached to the inside of the windshield glass to help deice the window surface more quickly. The indicator light illuminates whi
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 becomes warm by operating the windshield deicer switch of the multi-display assem
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REMOVAL PROCEDURE 1. REMOVE FAN SHROUD WITH COOLING FAN Click here 2. REMOVE COOLING FAN WIRE (a) Disconnect the cooling fan ECU connector. (b) Detach the 3 clamps and remove the cooling fan wire. 3. REMOVE COOLING FAN ECU (a) Disconnect the cooling fan motor connector and No. 2
DESCRIPTION This DTC is output when LIN communication between the rear power window regulator motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2324 Rear Door LH ECU Communication