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:

 IG Power Supply Voltage (C1551)

DESCRIPTION The power steering ECU assembly distinguishes the power switch status as on (IG) or off through the IG power source circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition C1551 IG Power Supply Voltage IG power

 Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter

DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly.

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