AIR SUSPENSION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK AND CLEAR DTC*


    1. Check if any DTCs are output.

      Click here

      Tech Tips

      The suspension control ECU of this system is connected to CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in CAN communication system.

      for LHD: Click here

      for RHD: Click here

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

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

    A

  5. CHECK AND CLEAR DTC*


    1. Check for DTCs.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. PROBLEM SYMPTOM CONFIRMATION

    Result
    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    B

    GO TO STEP 8 Click here

    A

  7. SYMPTOM SIMULATION

    Result
    Proceed to
    NEXT

    NEXT

  8. CHECK DTC*


    1. Check for DTCs.

      Click here

      Result
      Result Proceed to
      DTC not output A
      DTC output B

    B

    GO TO STEP 10 Click here

    A

  9. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  10. DTC CHART


    1. Refer to the Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  11. CIRCUIT INSPECTION*

    Result
    Proceed to
    NEXT

    NEXT

  12. IDENTIFICATION OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  13. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  14. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END