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Home >> Lexus >> 2010 >> GS 450h >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Active Stabilizer Suspension (Diagnostic Codes & Symptom Tests) >> Active Stabilizer Suspension System >> Drivability Problem >> Procedure

Drivability Problem: Procedure

  1. CHECK DTC 
    1. Check for DTC. Refer to DTC CHECK / CLEAR .

      OK

      DTC is not output.

    NG → See step   6 

    OK: Go to next step 

  2. TEST MODE INSPECTION (MULTI INFORMATION DISPLAY) 
    1. Enter test mode. Refer to TEST MODE PROCEDURE .
    2. When switching to test mode, check if the test mode is displayed on the multi-information display of the combination meter.
      Fig 1: Identifying Multi-Information Display And Master Warning Light
      GTY111817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      RESULT

      Result Proceed to
      Test mode is not displayed A
      Test mode is displayed B

    B → See step   4 

    A: Go to next step 

  3. CHECK WIRE HARNESS (CAN COMMUNICATION LINE) 
    1. Disconnect the A58 front active stabilizer control ECU connector.
      Fig 2: Identifying Front Active Stabilizer Control ECU Connector Terminals
      GTY113341Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the wire harness side connector.

      Standard resistance

      Tester Connection Specified Condition
      A58-1 (LCN+) - A58-8 (LCN-) 54 to 69 Ω
      A58-2 (CANH) - A58-3 (CANL)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   8 

  4. TEST MODE INSPECTION 
    1. Perform the test mode inspection. Refer to TEST MODE PROCEDURE .

    NEXT: Go to next step 

  5. CHECK TEST MODE DTC 
    1. Check test mode DTC. Refer to DTC CHECK / CLEAR .

      OK

      DTC is not output.

    NG → See step   7 

    OK → END (NORMAL) 

  6. GO TO FLOWCHART OF EACH DTC. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  7. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  8. GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING