AIR SUSPENSION SYSTEM DTC CHECK / CLEAR


  1. CHECK DTC


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the tester on.

    4. Enter the following menus:

      Select: Chassis / Air suspension / DTC /

    5. Read the DTCs by following the prompts on the tester screen.

      Tech Tips

      Refer to the intelligent tester operator's manual for further details.

    6. Refer to the "DIAGNOSTIC TROUBLE CODE CHART" for DTC information Click here.

  2. CLEAR DTC

    Tech Tips

    After repairing the malfunctions, clear the DTCs.


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the tester on.

    4. Enter the following menus:

      Select: Chassis / Air suspension / DTC /

    5. Clear the DTCs by following the prompts on the tester screen.

      Tech Tips

      Refer to the intelligent tester operator's manual for further details.

  3. CHECK DTC (USING SST CHECK WIRE)


    1. Adjust the vehicle height to normal.

    2. Turn the engine switch off.

    3. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

      SST
      09843-18040

    4. Turn the engine switch on (IG).

    5. Read and record any DTCs from the "HEIGHT HIGH" indicator light on the combination meter.

    6. Refer to the illustration for examples of a normal system code and codes 13 and 33.

      Tech Tips


      • If the "HEIGHT HIGH" indicator light does not indicated any DTCs or the normal system code, inspect the indicator circuit or TC and CG terminal circuit.

        Trouble Area See page
        Indicator circuit

        Click here

        TC and CG terminal circuit

        Click here

      • If 2 or more malfunctions are indicated at the same time, the lowest numbered DTC is displayed first.

    7. Refer to the "DIAGNOSTIC TROUBLE CODE CHART" for DTC information Click here.

    8. After completing the check, turn the engine switch off and remove SST from the DLC3.

      SST
      09843-18040

  4. CLEAR DTC (USING SST CHECK WIRE)


    1. Turn the engine switch off.

    2. A001E6SE98
      *1 Front view of DLC3:

      Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

      SST
      09843-18040

    3. Turn the engine switch on (IG), and depress the brake pedal 8 times or more within 5 seconds. (Make sure the stop light switch turns ON and OFF for each depression of the brake pedal.)

    4. Check that the "HEIGHT HIGH" indicator light is outputting a normal code.

      Note

      If the code was not erased, repeat all of the procedures above.

    5. Turn the engine switch off and remove SST from the DLC3.