Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / System Diagram
SYSTEM DIAGRAM
Communication Table | Transmitter | Receiver | Signal | Communication Method |
|---|---|---|---|
| Air Conditioning Control Assembly | Air Conditioning Amplifier Assembly | Rear window defogger switch signal | LIN |
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System Description
SYSTEM DESCRIPTION GENERAL (a) The rear window defogger wires are attached to the inside of the back door glass and defog the window surface quickly when the rear window defogger switch on the air con
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
Use the following procedure to troubleshoot the window defogger system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the power switch on (IG). (b) Check that the rear window defogger becomes warm by operating the rear window defogger switch of the air conditionin
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE 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 suspe
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA NOTICE:
Freeze frame data values will vary depending on the measurement conditions, surroundings, or vehicle conditions. For this reason, there may be a problem even when the values are within specifications.
Turn the power switch on (IG) and park the vehicle
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