TIRE PRESSURE WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the tire pressure warning system.

  • *: Use the GTS.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer to confirm the problem.

      Tech Tips

      It is important to collect as much specific information as possible from the customer to allow for a quick repair.


      NEXT

  3. ADJUST TIRE PRESSURE*


    1. Turn the power switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the power switch on (IG).

    4. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

    5. Set the tire pressure to the specified value Click here.

      Note

      Make sure the tires are cool when adjusting the tire pressure.

    6. Display "ID Tire Inflation Pressure" in the Data List and check that the tire pressure values match the adjusted pressure amount.

      Tech Tips

      It may take a few minutes until the values are displayed.

    7. Perform initialization Click here.

      Result
      Condition Proceed to
      Tire pressure warning light remains on A
      Tire pressure warning light goes off B

      Tech Tips

      The warning threshold value changes depending on the driving conditions during initialization. As a result, the tire pressure warning light may not turn off even if the tire pressure is adjusted to the specified pressure.


      B

      END
      A

  4. CHECK FOR DTC*


    1. Check for DTCs Click here.

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

      B

      GO TO STEP 6
      A

  5. DTC CHART


    1. Refer to Diagnostic Trouble Code Chart Click here.


      NEXT
      GO TO STEP 8

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table Click here.


      NEXT

  7. CIRCUIT INSPECTION*


    1. Refer to Electronic Circuit Inspection Procedure Click here.


      NEXT

  8. REPAIR OR REPLACE


    1. Repair or replace parts based on the diagnosis result.


      NEXT

  9. CONFIRMATION TEST*


    1. Check the Data List to confirm that the tire inflation pressure has been received Click here.

    2. Perform initialization Click here.

    3. Confirm that the initialization has been completed.


      NEXT
      END