Lexus NX: Parts Location

PARTS LOCATION

ILLUSTRATION

*1

AIR CONDITIONING CONTROL ASSEMBLY

- REAR WINDOW DEFOGGER SWITCH

*2

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

- ECU-IG NO.1 FUSE

- ECU-IG NO.3 FUSE

*3

DLC3

-

-

ILLUSTRATION

*1

DEFOGGER RELAY

*2

AIR CONDITIONING AMPLIFIER ASSEMBLY

*3

BACK DOOR GLASS

- DEFOGGER WIRE

*4

NO. 2 ENGINE ROOM RELAY BLOCK

*5

DEF FUSE

*6

ECU-B NO.2 FUSE

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 System Diagram

SYSTEM DIAGRAM Communication Table Transmitter Receiver Signal Communication Method Air Conditioning Control Assembly Air Conditioning Amplifier Assembly Rear window defogger switch

 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

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 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. REMOVE INVERTER WITH CONVERTER ASSEMBLY Click here 3. REMOVE INVERTER WATER PUMP WITH MOTOR ASSEMBLY Click here 4. REMOVE INVERTER BRACKET ASSEMBLY Click here 5. DISCONNECT WIRE HARNESS (a) Disconnect the 4

 Removal

REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here 2. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 3. REMOVE REAR DECK FLOOR BOX Click here 4. REMOVE DECK FLOO

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