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
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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 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:
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the front seat outer belt assembly. PROCEDURE 1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click
Inspection
INSPECTION PROCEDURE 1. INSPECT REAR SHOCK ABSORBER ASSEMBLY LH (a) Compress and extend the shock absorber rod and check that there is no abnormal resistance or unusual sound during operation. If there is any abnormality, replace the shock absorber with a new one. NOTICE: When disposing of the shock
