Navigation Antenna Removal

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

  1. SET RADIO RECEIVER ASSEMBLY TO SHIPMENT MODE

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  3. REMOVE FRONT DOOR SCUFF PLATE LH

  4. REMOVE FRONT DOOR SCUFF PLATE RH

  5. REMOVE FRONT DOOR OPENING TRIM COVER LH

  6. REMOVE FRONT DOOR OPENING TRIM COVER RH

  7. REMOVE NO. 3 STEERING WHEEL COVER LOWER

  8. REMOVE NO. 2 STEERING WHEEL COVER LOWER

  9. REMOVE STEERING PAD

  10. REMOVE STEERING WHEEL ASSEMBLY

  11. REMOVE STEERING COLUMN COVER

  12. REMOVE SPIRAL CABLE WITH STEERING SENSOR

  13. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY

  14. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY

  15. REMOVE FRONT CONSOLE UPPER PANEL GARNISH

  16. REMOVE CONSOLE UPPER PANEL ASSEMBLY

  17. REMOVE INSTRUMENT PANEL FINISH PANEL END LH

  18. REMOVE INSTRUMENT PANEL FINISH PANEL END RH

  19. REMOVE CONSOLE BOX PLATE

  20. REMOVE CONSOLE BOX REGISTER ASSEMBLY

  21. REMOVE CONSOLE BOX

  22. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

  23. REMOVE COMBINATION METER ASSEMBLY

  24. REMOVE INSTRUMENT SIDE PANEL LH

  25. REMOVE INSTRUMENT SIDE PANEL RH

  26. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

  27. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

  28. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY

  29. REMOVE INTEGRATION CONTROL AND PANEL ASSEMBLY

  30. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

  31. REMOVE FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY

  32. REMOVE GLOVE COMPARTMENT DOOR SUB-ASSEMBLY

  33. REMOVE FRONT PILLAR GARNISH LH

  34. REMOVE FRONT PILLAR GARNISH RH

  35. REMOVE MULTI-DISPLAY WITH RADIO RECEIVER ASSEMBLY

  36. CONFIRM RADIO RECEIVER ASSEMBLY SHIPMENT MODE SETTING

  37. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

  38. REMOVE SIDE NO. 1 DEFROSTER NOZZLE DUCT

  39. REMOVE NO. 1 HEATER TO REGISTER DUCT

  40. REMOVE NAVIGATION ANTENNA

Navigation Antenna -- Removal



1. SET RADIO RECEIVER ASSEMBLY TO SHIPMENT MODE
  1. Remove all discs and tapes.

    NOTICE:
    If the discs or tapes cannot be removed, do not attempt to remove them forcibly. Send the unit to a repair shop.
  1. Turn the engine switch off.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. While simultaneously pressing the "SEEK UP" and "DISC" switches, turn the engine switch on (ACC).

    HINT:
    Lexus Gs430, Gs300. Uzs190 Grs190
    The CD loading door indicator light blinks during mode setting and it remains lit after the setting is completed.
  1. Turn the engine switch off.



2. 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.


3. REMOVE FRONT DOOR SCUFF PLATE LH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a moulding remover, detach the 5 claws and remove the scuff plate.



4. REMOVE FRONT DOOR SCUFF PLATE RH
HINT:
Use the same procedures described for the LH side.


5. REMOVE FRONT DOOR OPENING TRIM COVER LH
  1. Using a moulding remover, detach the 3 claws and remove the trim cover.



6. REMOVE FRONT DOOR OPENING TRIM COVER RH
HINT:
Use the same procedures described for the LH side.


7. 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.


8. 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.


9. REMOVE STEERING PAD


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  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.


10. 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.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using SST, remove the steering wheel assembly.

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


11. REMOVE STEERING COLUMN COVER


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  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.Navigation.Navigation System.Navigation Antenna  Removal
  1. Disengage the 4 clips to separate the steering column cover upper.

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



12. REMOVE SPIRAL CABLE WITH STEERING SENSOR


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  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.



13. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  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.


14. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Disconnect the connector.



    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  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.



15. REMOVE FRONT CONSOLE UPPER PANEL GARNISH


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using a clip remover, detach the claws and remove the garnish.

    HINT:
    Tape the clip remover tip before use.


16. REMOVE CONSOLE UPPER PANEL ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Twist the shift lever knob in the direction indicated by the arrow and remove it.



    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 9 clips.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the ash receptacle and then disconnect the connector.



17. REMOVE INSTRUMENT PANEL FINISH PANEL END LH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the screw.

  1. Using a screwdriver, detach the 4 clips and 3 claws.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the finish panel end.



18. REMOVE INSTRUMENT PANEL FINISH PANEL END RH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the screw.

  1. Using a screwdriver, detach the 3 clips and 3 claws.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the finish panel end.



19. REMOVE CONSOLE BOX PLATE


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 4 clips.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the console box plate and then disconnect the connector.



20. REMOVE CONSOLE BOX REGISTER ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 4 clips and remove the register.

    HINT:
    Tape the screwdriver tip before use.


21. REMOVE CONSOLE BOX


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 bolts and 2 screws.

  1. Remove the console box and then disconnect the connector.



22. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 5 clips.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the cluster finish panel and then disconnect the connector.



23. REMOVE COMBINATION METER ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 screws.

  1. Disconnect the connector and remove the combination meter.



24. REMOVE INSTRUMENT SIDE PANEL LH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 2 claws and 4 clips, and remove the side panel.

    HINT:
    Tape the screwdriver tip before use.


25. REMOVE INSTRUMENT SIDE PANEL RH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 2 claws and 4 clips, and remove the side panel.

    HINT:
    Tape the screwdriver tip before use.


26. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the 2 screws.

  1. Detach the 2 claws.

  1. Remove the under cover and then disconnect the connector.



27. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 8 clips and claw.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the hood lock control cable from the safety pad.

  1. Remove the safety pad.



28. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 bolts and driver side knee airbag assembly.

  1. Disconnect the connector.

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


29. REMOVE INTEGRATION CONTROL AND PANEL ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the 2 screws.

  1. Using a screwdriver, detach the 2 claws.

    HINT:
    Tape the screwdriver tip before use.
  1. Remove the control panel and then disconnect the connector.



30. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Using a screwdriver, detach the 4 clips.

    HINT:
    Tape the screwdriver tip before use.
  1. Disconnect the connector and clamp, and remove the under cover.



31. REMOVE FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 3 bolts and front passenger side knee airbag assembly.

  1. Disconnect the connector.

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


32. REMOVE GLOVE COMPARTMENT DOOR SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the 4 screws.

  1. Detach the 2 clips and claw.

  1. Disconnect the connector and clamp.

  1. Remove the glove compartment door.



33. REMOVE FRONT PILLAR GARNISH LH


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Detach the clip labeled A from the vehicle body. Pull the pillar garnish so that the tip of clip B locks in the pillar garnish's hole.

  1. Using needle-nose pliers, rotate clip B 90° and remove the pillar garnish.

    HINT:
    If clip B is removed from the vehicle body or is damaged, replace it with a new one.


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Protect the curtain shield airbag.

    1. Thoroughly cover the airbag with a cloth or nylon sheet that is 700 mm (27.56 in.) x 120 mm (4.72 in.) and fix the ends of the cover with adhesive tape, as shown in the illustration.

      NOTICE:
      Cover the curtain shield airbag with a protective cover as soon as the front pillar garnish is removed.


34. REMOVE FRONT PILLAR GARNISH RH
HINT:
Use the same procedures described for the LH side.


35. REMOVE MULTI-DISPLAY WITH RADIO RECEIVER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 bolts.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Pull the multi-display with radio receiver to detach the 2 clips on the backside of the multi-display.

  1. Disconnect the connectors and remove the multi-display with radio receiver.



36. CONFIRM RADIO RECEIVER ASSEMBLY SHIPMENT MODE SETTING


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Look at the backside of the radio receiver and check that a metal plate can be seen through the hole near the "SHIP" mark.

    NOTICE:
    If a metal plate cannot be seen, perform the shipment mode setting again.


37. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. w/ Navigation system:
    Remove the navigation ECU.

    1. Remove the 3 bolts and navigation ECU.

    2. Disconnect the connectors.

  1. Remove the 4 nuts and center junction block RH and LH.

  1. Remove the 4 bolts, nut and 2 clips.

  1. Remove the 2 bolts from the passenger airbag.

  1. Disconnect the connectors and clamps.



  1. Detach the 5 clips and remove the safety pad.


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal



38. REMOVE SIDE NO. 1 DEFROSTER NOZZLE DUCT


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the screw and duct.



39. REMOVE NO. 1 HEATER TO REGISTER DUCT


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 screws and duct.



40. REMOVE NAVIGATION ANTENNA


    Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation Antenna  Removal
  1. Remove the 3 screws and detach the 4 clips to remove the antenna.