Adaptive Variable Suspension System Absorber Control Indicator Light Remains On

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

PERFORM TEST MODE

INSPECT CAN COMMUNICATION SYSTEM

INSPECT MULTIPLEX COMMUNICATION SYSTEM

INSPECT COMBINATION METER ASSEMBLY

ADAPTIVE VARIABLE SUSPENSION SYSTEM - Absorber Control Indicator Light Remains On


DESCRIPTION

  1. Check the DTC and make sure that the normal system code is output (Click here).
    (If malfunction code is output, Click here).
  2. If the absorber control ECU stores a DTC, the absorber control indicator light on the combination meter assembly will come on.
  3. The absorber control ECU is connected to the combination meter assembly via the CAN communication system and multiplex communication system.

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System.Adaptive Variable Suspension System  Absorber Control Indicator Light Remains On


INSPECTION PROCEDURE

NOTICE:
When replacing the absorber control ECU, check the acceleration sensor assembly signal after replacement (Click here).
HINT:
  1. Start the inspection from step 3 when troubleshooting accordance with the PROBLEM SYMPTOMS TABLE.
  1. Check the condition of each related circuit connector before troubleshooting (Click here).
1.CHECK DTC
  1. Check DTC (Click here).

    Result:

    Result
    Proceed To
    DTC is not output
    A
    DTC is output
    B


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE
A


2.PERFORM TEST MODE
  1. Perform test mode (Click here).

  1. Check if the test mode DTC C1787/87 is output.

    Result:

    Result
    Proceed To
    DTC C1787/87 is not output
    A
    DTC C1787/87 is output
    B


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE
A


3.INSPECT CAN COMMUNICATION SYSTEM
  1. Check if the CAN communication system DTC is output (Click here).

    Result:

    Result
    Proceed To
    DTC is not output
    A
    DTC is output
    B


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE
A


4.INSPECT MULTIPLEX COMMUNICATION SYSTEM
  1. Check if the multiplex communication system DTC is output (Click here).

    Result:

    Result
    Proceed To
    DTC is not output
    A
    DTC is output
    B


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE
A


5.INSPECT COMBINATION METER ASSEMBLY
  1. Check the combination meter assembly (Click here).

    OK:
    The combination meter assembly is normal.

    Result:

    Result
    Proceed To
    OK
    A
    OK (when troubleshooting accordance with the PROBLEM SYMPTOMS TABLE)
    B
    NG
    C


B
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

C
REPLACE COMBINATION METER ASSEMBLY
A

REPLACE ABSORBER CONTROL ECU