Lexus NX: Parts Location

PARTS LOCATION

ILLUSTRATION

*A

w/ Power Back Door System

*B

w/o Power Back Door System

*1

DOOR CONTROL SWITCH

*2

MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

*3

FRONT DOOR LOCK ASSEMBLY LH

*4

FRONT DOOR LOCK ASSEMBLY RH

*5

REAR DOOR LOCK ASSEMBLY LH

*6

REAR DOOR LOCK ASSEMBLY RH

*7

FUEL LID WITH MOTOR LOCK ASSEMBLY

*8

BACK DOOR LOCK ASSEMBLY

*9

MULTIPLEX NETWORK DOOR ECU

-

-

ILLUSTRATION

*1

FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

*2

FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH

*3

REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

*4

REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RH

*5

ELECTRICAL KEY AND TMPS RECEIVER ASSEMBLY

*6

FUSE BLOCK

*7

ECU-B NO.3 FUSE

*8

D/L NO.1 FUSE

ILLUSTRATION

*A

w/o Power Back Door System

-

-

*1

MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

*2

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

*3

D/L RELAY

*4

D D/UL RELAY

*5

D/UL RELAY

*6

D/L BACK RELAY

*7

ACC FUSE

*8

ECU-IG NO.2 FUSE

*9

NO. 3 RELAY BLOCK ASSEMBLY

*10

FUEL LID OPENER RELAY

*11

CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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-

READ NEXT:

 System Diagram

SYSTEM DIAGRAM

 Operation Check

OPERATION CHECK CHECK FUEL LID OPENER SYSTEM *1: *2: *3: (a) Fuel lid unlock function: (1) With the fuel lid lock panel closed, unlock the doors using one of the following operations.

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU). If the main body ECU (multiplex network body ECU) is repla

SEE MORE:

 Short in D Squib (Dual Stage - 2nd Step) Circuit (B1810-B1813)

DESCRIPTION The driver side squib 2nd step circuit consists of the airbag ECU assembly, spiral cable sub-assembly and horn button assembly. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is detected in the driver side squib 2nd st

 Inspection

INSPECTION PROCEDURE 1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (a) Inspect the operation of the electrochromic inner rear view mirror assembly. (1) Connect a positive (+) lead from the battery to terminal 1 (IG) and a negative (-) lead to terminal 2 (E). (2) Press the AUTO switch. (3) Attach black

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