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AIR SUSPENSION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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DTC Code DTC Name
  HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT

Tip:

Use these procedures to troubleshoot the air suspension system.

*: Use the GTS.

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PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

  2. Click here

    PROBLEM SYMPTOM CONFIRMATION

    Result
    Proceed to
    NEXT

  3. Click here

    INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the voltage of the auxiliary battery.

      Standard voltage
      11 to 14 V (Power switch off)

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

      Result
      Proceed to
      NEXT

  4. Click here

    CHECK ECUS CONNECTED TO CAN BUS*


    1. Check the ECUs connected to the CAN bus.

      Click here

      Result
      Result Proceed to
      No malfunction appears A
      Malfunction appears B

  5. Click here

    CHECK DTC AND FREEZE FRAME DATA*


    1. Check for and write down any DTCs and Freeze Frame Data.

      for DTC Check / Clear:Click here

      for Freeze Frame Data:Click here


      1. Chassis > Air suspension > Trouble Codes


    2. Clear the DTCs and Freeze Frame Data.

      for DTC Check / Clear:Click here

      for Freeze Frame Data:Click here


      1. Chassis > Air suspension > Clear DTCs


    3. Recheck for DTCs.


      1. Chassis > Air suspension > Trouble Codes


      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

  6. Click here

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click here

    Result
    Proceed to
    NEXT

  7. Click here

    REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

  8. Click here

    CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END