Headlight Dimmer Switch Removal

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Lighting. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

  3. REMOVE NO. 2 STEERING WHEEL COVER LOWER

  4. REMOVE NO. 3 STEERING WHEEL COVER LOWER

  5. REMOVE STEERING WHEEL PAD

  6. REMOVE STEERING WHEEL ASSEMBLY

  7. REMOVE STEERING COLUMN COVER

  8. REMOVE SPIRAL CABLE SUB-ASSEMBLY W/ STEERING SENSOR

  9. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY

  10. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY

Headlight Dimmer Switch -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


2. PLACE FRONT WHEELS FACING STRAIGHT AHEAD


3. REMOVE NO. 2 STEERING WHEEL COVER LOWER


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a screwdriver, remove the steering wheel No.2 cover lower.

    HINT:
    Tape up the screwdriver tip before use.


4. REMOVE NO. 3 STEERING WHEEL COVER LOWER


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a screwdriver, remove the steering wheel No.3 cover lower.

    HINT:
    Tape up the screwdriver tip before use.


5. REMOVE STEERING WHEEL PAD


    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Using a "torx" socket wrench (T30), loosen the 2 "torx" screws until the groove along the screw circumference catches on the screw case.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Pull out the steering pad from the steering wheel assembly and support the steering pad with one hand as shown in the illustration.

    NOTICE:
    When removing the steering pad, do not pull the airbag wire harness.

  1. Disconnect the horn connector.

  1. Disconnect the 2 connectors and remove the steering pad.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.


6. REMOVE STEERING WHEEL ASSEMBLY

  1. Remove the steering wheel assembly set nut.

  1. Put matchmarks on the steering wheel assembly and main shaft assembly.



    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Using SST, remove the steering wheel assembly.

    SST
    09950-50013(09951-05010,09952-05010,09953-05020,09954-05011)


7. REMOVE STEERING COLUMN COVER


    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Remove the 3 screws.

  1. Disengage the 2 claws to remove the steering column cover lower.

    NOTICE:
    Do not damage the tilt and telescopic switch.


    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Disengage the 4 clips to separate the steering column cover upper.

  1. Disengage the claw to remove the steering column cover upper.



8. REMOVE SPIRAL CABLE SUB-ASSEMBLY W/ STEERING SENSOR


    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Disconnect the connectors from the spiral cable with steering sensor.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.

  1. Disengage the 3 claws and remove the spiral cable with steering sensor.



9. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Disconnect the connector.

  1. Detach the claw and remove the wiper switch.

    NOTICE:
    If the claw is pushed with excessive force, it may break.


10. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Disconnect the connector.



    Lexus Gs430, Gs300. Uzs190 Grs190.Lighting.Lighting System.Headlight Dimmer Switch Removal

  1. Detach the clamp from the dimmer switch as shown in the illustration.

  1. Detach the claw and remove the dimmer switch as shown in the illustration.