Lexus NX: Problem Symptoms Table
Lexus NX Service Manual / Vehicle Exterior / Window / Glass / Windshield Deicer System / 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 Power Telescopic Steering Column: Click here .gif)
for Manual Tilt and Manual Telescopic Steering Column: Click here
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Windshield deicer does not operate | Proceed to "Windshield Deicer does not Operate" | |
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Terminals Of Ecu
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DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive func
Windshield Deicer does not Operate
DESCRIPTION When the windshield deicer switch is operated, the operation signal is transmitted to the radio receiver assembly. The radio receiver assembly transmits the operation signal to the air con
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Inspection
INSPECTION PROCEDURE 1. INSPECT LEVEL WARNING SWITCH ASSEMBLY *a Component without harness connected (Level Warning Switch Assembly) HINT: The following check should be performed with the level warning switch assembly installed to the windshield washer jar assembly. (a) Fill the windshield
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Power Back Door System *B w/o Power Back Door System *1 DOOR CONTROL SWITCH *2 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY *3 FRONT DOOR LOCK ASSEMBLY LH *4 FRONT DOOR LOCK ASSEMBLY RH *5 REAR DOOR LOCK ASSEMBLY LH *6 REAR DOOR L
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