ACTIVE HEIGHT CONTROL SUSPENSION HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the active height control suspension.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.


    NEXT

  3. CHECK FOR DTC*


    1. Check for DTCs Click here.

    2. Clear the DTCs.

    3. Recheck for DTCs.

      Result
      Result Proceed to
      DTC is not output A
      CAN DTC is output B
      DTC is output C

      B

      Go to CAN communication system
      C

      Go to step 6
      A

  4. PROBLEM SYMPTOMS TABLE*

    Result:
    Result Proceed to
    Fault is not listed in problem symptoms table A
    Fault is listed in problem symptoms table B

    B

    Go to step 6
    A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU Click here.


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  6. ADJUST, REPAIR OR REPLACE*


    NEXT

  7. CONFIRMATION TEST


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    END