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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Removal
REMOVAL PROCEDURE 1. REMOVE NO. 2 FORWARD RECOGNITION COVER Click here 2. REMOVE NO. 1 FORWARD RECOGNITION COVER Click here 3. REMOVE PROTECTOR (a) Detach the 2 claws and remove the protector. 4. REMOVE AIR CONDITIONING THERMISTOR ASSEMBLY (HUMIDITY SENSOR) (a) Disconnect the connector. (
Reverse Signal Circuit
DESCRIPTION The multi-display receives a reverse signal from the BK UP LP relay*1 or clearance warning ECU assembly*2. *1: except 10.3 Inch Display and w/ Intuitive Parking Assist System *2: for 10.3 Inch Display and w/ Intuitive Parking Assist System WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE
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