Lexus NX: Rear Power Window Switch

Lexus NX Service Manual / Vehicle Exterior / Window / Glass / Rear Power Window Switch

Components

COMPONENTS

ILLUSTRATION

*1	REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY	*2	REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR ARMREST BASE PANEL
*3	REAR 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. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR ARMREST BASE PANEL

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2. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Detach the 3 claws and remove the rear power window regulator switch assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Check the switch function.

(1) Measure the resistance when the switch is operated according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
5 (UP) - 7 (GND)	UP	Below 1 Ω
2 (LED) - 4 (DOWN)	UP	Below 1 Ω
4 (DOWN) - 7 (GND)	OFF	Below 1 Ω
2 (LED) - 5 (UP)	OFF	Below 1 Ω
8 (AUTO) - 7 (GND)	DOWN	Below 1 Ω

If the result is not as specified, replace the rear power window regulator switch assembly.

LED Illumination

Component without harness connected

(Rear Power Window Regulator Switch Assembly)

(b) Check that the LED illuminates.

(1) Apply auxiliary battery voltage to the rear power window regulator switch and check that the LED illuminates.

OK:

Measurement Condition	Specified Condition
Auxiliary battery positive (+) → 3 (ILL+) Auxiliary battery negative (-) → 1 (ILL-)	LED illuminates

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 3 (ILL+)

Auxiliary battery negative (-) → 1 (ILL-)

LED illuminates

If the result is not as specified, replace the rear power window regulator switch assembly.

Installation

INSTALLATION

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. INSTALL REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Attach the 3 claws to install the rear power window regulator switch assembly.

2. INSTALL REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR ARMREST BASE PANEL

Click here

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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 SEA

Power Source Mode does not Change to ON (READY)

DESCRIPTION When the electrical key transmitter sub-assembly is in the cabin and the power switch is pressed, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. In addition, when the power switch is pressed with the shift lever in P and the brake peda

Lexus NX: Rear Power Window Switch

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Relay

Window Defogger System

Parts Location

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Parts Location

Power Source Mode does not Change to ON (READY)