Lexus NX: System Description
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 while the system is operating. The system automatically turns off after approximately 15 minutes.
NOTICE:
If the auxiliary battery voltage becomes low, windshield deicer operation is canceled to prioritize supplying power to the power steering system.
for Power Tilt and Power Telescopic Steering Column: Click here .gif)
for Manual Tilt and Manual Telescopic Steering Column: Click here
FUNCTION OF MAIN COMPONENT
| Component | Outline |
|---|---|
| Multi-display Assembly | Sends signals to the radio receiver assembly to operate the windshield deicer. |
| Air Conditioning Amplifier Assembly | Sends windshield deicer activation request signals to the front wiper deicer relay. |
| Front Wiper Deicer Relay | Receives windshield deicer activation request signals from the air conditioning amplifier assembly and supplies power to the windshield deicer wire (windshield glass). |
| Windshield Glass (Windshield Deicer Wire) | Receives power from the front wiper deicer relay and heats the windshield deicer. |
READ NEXT:
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
NEXT
Operation Check
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
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage becomes low, windshield deicer operation is canceled to prioritize supplying power to the power steering system. for Power Tilt and Powe
SEE MORE:
Lost Communication with Haptic Device (B1323-B1326)
DESCRIPTION These DTCs are stored when communication between the radio receiver assembly and remote operation controller assembly (remote touch), combination meter assembly, combination meter mirror ECU* or clock assembly is not possible.
*: w/ Headup Display
DTC No. Detection Item DTC
Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation (P106A)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P106A Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation The difference between the pressure of the canister pressure sensor (Vapor Pressure Pump*) and manifold a
