Absorber Control Ecu Replacement

Suspension & Axle. Lexus Gs430, Gs300. Uzs190 Grs190
Suspension Control. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE FRONT DOOR SCUFF PLATE RH

  3. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.2 (for LHD)

  4. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.1 (for RHD)

  5. REMOVE ABSORBER CONTROL ECU

  6. INSTALL ABSORBER CONTROL ECU

  7. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.2 (for LHD)

  8. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.1 (for RHD)

  9. REMOVE FRONT DOOR SCUFF PLATE RH

  10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  11. INSPECT ADAPTIVE VARIABLE SUSPENSION SYSTEM

  12. PERFORM INITIALIZATION

Absorber Control Ecu -- Replacement



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


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


3. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.2 (for LHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  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.



4. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.1 (for RHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  1. Remove the 2 screws.

  1. Detach the 2 claws.

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



5. REMOVE ABSORBER CONTROL ECU

  1. Turn back the floor carpet to remove the absorber control ECU.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  1. Disengage the 2 clamps to remove the wire harness from the vehicle body.

    NOTICE:
    Do not apply an excessive force to the wire harness.

  1. Disconnect the connectors from the absorber control ECU.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the bolt, nut and the absorber control ECU.



6. INSTALL ABSORBER CONTROL ECU


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Install the absorber control ECU with the bolt and nut.

    Torque:
    Bolt:
    8.5 N*m{87 kgf*cm, 75 in.*lbf}
    Nut:
    6.0 N*m{61 kgf*cm, 53 in.*lbf}
    NOTICE:
    1. Avoid any impact to the absorber control ECU.
    2. Do not drop the absorber control ECU. If it is dropped, replace it with a new one.

  1. Connect the connectors to the absorber control ECU.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  1. Engage the 2 clamps to install the wire harness to the vehicle body.

  1. Install the floor carpet.



7. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.2 (for LHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  1. Connect the connector and clamp.

  1. Attach the 4 clips to install the under cover.



8. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.1 (for RHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Absorber Control Ecu Replacement

  1. Connect the connectors.

  1. Attach the 2 claws to install the under cover.

  1. Install the 2 screws.



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


10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


11. INSPECT ADAPTIVE VARIABLE SUSPENSION SYSTEM
(Click here)


12. PERFORM INITIALIZATION
Some systems need initialization when disconnecting the cable from the negative battery terminal (Click here).