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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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR CONDITIONER PRESSURE SENSOR (a) Check the wire harness. *a Component without harness connected (Air Conditioner Pressure Sensor) *b Component without harness connected (Air Conditioning Amplifier Assembly) (1) Disconnect the A18 air condi
Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) (P0037,P0038,P0141,P102D)
DESCRIPTION Refer to DTC P0136. Click here HINT: When any of these DTCs are stored, the ECM enters fail-safe mode. The ECM turns off the heated oxygen sensor heater in fail-safe mode. Fail-safe mode continues until the power switch is turned off. DTC No. Detection Item DTC Detection Condi
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