Lexus NX: 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 NEXT

 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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 Installation

INSTALLATION PROCEDURE 1. INSTALL AUXILIARY BATTERY (a) Install the auxiliary battery. (b) Install the battery insulator to the auxiliary battery. (c) Install the L-shaped pipe section to the auxiliary battery without twisting the battery hose. HINT: Insert the auxiliary battery hose

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ENGINE COOLANT Click here 2. INSPECT ENGINE OIL Click here 3. INSPECT AUXILIARY BATTERY Click here 4. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY (a) Remove the air cleaner cap sub-assembly. (b) Remove the air cleaner filter element sub-assembly.

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