Lexus NX: Door Control Switch

Components

COMPONENTS

ILLUSTRATION

*1

DOOR CONTROL SWITCH ASSEMBLY

*2

POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL

*3

FRONT DOOR ARMREST BASE PANEL

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Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for RHD and LHD vehicles.
  • The procedure listed below is for LHD vehicles.

PROCEDURE

1. REMOVE POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL

Click here

2. REMOVE DOOR CONTROL SWITCH ASSEMBLY

(a) Detach the 2 claws and remove the door control switch assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT DOOR CONTROL SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

4 (L) - 5 (E)

Lock

Below 1 Ω

4 (L) - 5 (E)

2 (UL) - 5 (E)

Off

10 kΩ or higher

2 (UL) - 5 (E)

Unlock

Below 1 Ω

If the result is not as specified, replace the door control switch assembly.

*a

Component without harness connected

(Door Control Switch Assembly)

*b

Lock

*c

Unlock

(b) Check that the LED illuminates.

(1) Apply battery voltage to the door control switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 3 (ILL+)

Battery negative (-) → 1 (ILL-)

LED illuminates

If the result is not as specified, replace the door control switch assembly.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

  • Use the same procedure for RHD and LHD vehicles.
  • The procedure listed below is for LHD vehicles.

PROCEDURE

1. INSTALL DOOR CONTROL SWITCH ASSEMBLY

(a) Attach the 2 claws to install the door control switch assembly.

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

Click here

READ NEXT:

 Door Control Transmitter

 Components

COMPONENTS ILLUSTRATION *1 TRANSMITTER BATTERY *2 DOOR CONTROL TRANSMITTER HOUSING SET *3 TRANSMITTER BATTERY HOLDER *4 MECHANICAL KEY *5 ELECTRICAL TRANSMITTER SUB-ASSEMBLY

 Removal

REMOVAL PROCEDURE 1. REMOVE TRANSMITTER BATTERY Click here 2. REMOVE TRANSMITTER (CARD KEY) BATTERY Click here

SEE MORE:

 Removal

REMOVAL PROCEDURE 1. REMOVE BACK DOOR CENTER GARNISH Click here 2. REMOVE BACK DOOR SIDE GARNISH LH Click here 3. REMOVE BACK DOOR SIDE GARNISH RH Click here 4. REMOVE BACK DOOR TRIM BASE Click here 5. REMOVE PULL HANDLE Click here 6. REMOVE BACK DOOR LOCK COVER Click here 7. REMOV

 System Diagram

SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Multiplex Network Master Switch Assembly Front Power Window Regulator Motor Assembly LH Power window auto up and down signal LIN Front Power Window Regulator Motor Assembly RH

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