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 problem.

      Tech Tips

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

      Result
      Result Proceed to
      Tire pressure warning light illuminates A

      w/ Tire Inflation Pressure Display Function:

      Tire pressures are not displayed using tire inflation pressure display function

      B

    B
    A
  3. ADJUST TIRE PRESSURE*


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine 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.

      Tech Tips

      for ECE-R64 Type:

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

    B
    A
  4. CHECK ECU CONNECTED TO CAN BUS*


    1. Check the ECUs connected to the CAN bus Check the ECUs connected to the CAN bus (See page for w/ Central Gateway ECU or Click here for w/o Central Gateway ECU).

      Result
      Result Proceed to
      No malfunction appears A
      Malfunction appears (w/ Central Gateway ECU) B
      Malfunction appears (w/o Central Gateway ECU) C

    B
    C
    A
  5. CHECK FOR DTC*


    1. Check for DTCs Click here.

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

    B
    A
  6. DTC CHART


    1. Refer to Diagnostic Trouble Code Chart Click here.

      Result
      Proceed to
      NEXT

    NEXT
  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
  11. CHECK TEST MODE DTC


    1. Perform troubleshooting for Test Mode DTC C2197/97 Click here.

      Result
      Proceed to
      NEXT

    NEXT