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

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 Door Control Transmitter

 Components

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 Removal

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

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 Open in IG Circuit (B242E)

DESCRIPTION This DTC is output when there is a problem in the power supply for the headlight ECU sub-assembly RH. The headlight ECU sub-assembly LH outputs DTC B242E. DTC No. Detection Item DTC Detection Condition Trouble Area B242E Open in IG Circuit IG circuit malfunction in the h

 System Description

SYSTEM DESCRIPTION ILLUMINATION CONTROL SYSTEM (Illuminated Entry System) HINT: When inspecting the following functions, make sure that the map light switch and spot light switch are in the DOOR position. (a) The illuminated entry system has the following control functions: Control Outline Li

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