TIRE PRESSURE WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


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

  • Make sure that the wireless door lock control system has exited diagnostic mode before performing the following procedure.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer to confirm the trouble.

      Tech Tips

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

      Result
      Proceed to
      NEXT

    NEXT

  3. ADJUST TIRE PRESSURE*


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON.

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


      Chassis > Tire Pressure Monitor > Data List
      Tester Display
      ID 1 Tire Inflation Pressure
      ID 2 Tire Inflation Pressure
      ID 3 Tire Inflation Pressure
      ID 4 Tire Inflation Pressure
      ID 5 Tire Inflation Pressure

    5. Set the air pressure of all tires to the specified value(s).

      Click here

      Note

      Make sure the tires are cooled down when adjusting the tire pressure.

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

      Tech Tips

      It takes a few minutes to display the updated tire pressure data.

    7. Perform initialization.

      Click here

      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.

      Result
      Proceed to
      Tire pressure warning light remains on
      Tire pressure warning light goes off

    Tire pressure warning light goes off

    GO TO STEP 10 Click here

    Tire pressure warning light remains on

  4. CHECK ECU CONNECTED TO CAN BUS*


    1. Check the ECUs connected to the CAN bus.

      for LHD: Click here

      for RHD: Click here

      Result
      Proceed to
      No malfunction appears
      Malfunction appears

    Malfunction appears

    GO TO CAN COMMUNICATION SYSTEM for LHD: Click here
    GO TO CAN COMMUNICATION SYSTEM for RHD: Click here

    No malfunction appears

  5. CHECK FOR DTC*


    1. Check for DTCs.

      Click here

      Result
      Proceed to
      DTC output
      DTC is not output

    DTC is not output

    PROBLEM SYMPTOMS TABLE Click here

    DTC output

  6. DTC CHART


    1. Refer to Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 9 Click here

  7. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. CIRCUIT INSPECTION*


    1. Refer to Electronic Circuit Inspection Procedure.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. REPAIR OR REPLACE


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

      Result
      Proceed to
      NEXT

    NEXT

  10. 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.

      Result
      Proceed to
      NEXT

    NEXT

    END