Lexus NX: Parts Location

PARTS LOCATION

ILLUSTRATION

*A

w/ Rear Seat Heater

-

-

*1

AIR CONDITIONING CONTROL ASSEMBLY

*2

SEAT HEATER SWITCH (for Driver Side)

*3

SEAT HEATER SWITCH (for Front Passenger Side)

*4

NO. 3 RELAY BLOCK

  • - RR S-HTR RELAY (w/ Rear Seat Heater)

*5

REFRESHING SEAT SWITCH

*6

AIR CONDITIONING AMPLIFIER ASSEMBLY

*7

DLC3

*8

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  • - S/HTR F/L FUSE
  • - ECU-IG NO.1 FUSE
  • - ECU-IG NO.2 FUSE (w/ Rear Seat Heater)

*9

COMBINATION METER ASSEMBLY

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-

ILLUSTRATION

*1

SEPARATE TYPE FRONT SEAT CUSHION COVER RH

*2

SEPARATE TYPE FRONT SEAT CUSHION COVER LH

*3

SEPARATE TYPE FRONT SEATBACK COVER LH

*4

SEPARATE TYPE FRONT SEATBACK COVER RH

*5

SEAT HEATER CONTROL SUB-ASSEMBLY RH

*6

SEAT HEATER CONTROL SUB-ASSEMBLY LH

ILLUSTRATION

*A

w/ Rear Seat Heater

-

-

*1

BENCH TYPE REAR SEAT CUSHION COVER

*2

SEPARATE TYPE REAR SEATBACK COVER LH

*3

SEPARATE TYPE REAR SEATBACK COVER RH

*4

SEAT HEATER CONTROL SUB-ASSEMBLY RH

*5

SEAT HEATER CONTROL SUB-ASSEMBLY LH

-

-

ILLUSTRATION

*1

NO. 2 ENGINE ROOM RELAY BLOCK

  • - S/HTR F/R FUSE
  • - ECU-B NO.2 FUSE

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-

READ NEXT:

 System Diagram

SYSTEM DIAGRAM for Front: for Rear (w/ Rear Seat Heater):

 System Description

SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch on the air conditioning control assembly, the temperature can be controlled within the range of 32 to 43°C (89 to 109°F).

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the seat heater system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 FRONT DOOR INSIDE HANDLE BEZEL PLUG LH *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY LH *3 FRONT DOOR TRIM COVER LH *4 POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. PRECAUTION NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary

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