TIRE PRESSURE WARNING SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • 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.

      Tip:

      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.

    5. Set the all 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.

      Tip:

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

    7. Perform initialization.

      Click here

      Tip:

      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

    END

    A

  4. CHECK ECU CONNECTED TO CAN BUS*

    1. Check the ECUs connected to the CAN bus.

      w/o Central Gateway ECU:

      Click hereClick hereClick here

      w/ Central Gateway ECU:

      Click hereClick here

    Result

    Result

    Proceed to

    No malfunction appears

    A

    Malfunction appears

    B
    B

    GO TO CAN COMMUNICATION SYSTEM

    w/o Central Gateway ECU:

    Click here

    w/ Central Gateway ECU:

    Click here

    A

  5. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)*

    1. Check for DTCs.

      w/o Central Gateway ECU:

      Click hereClick hereClick here

      w/ Central Gateway ECU:

      Click hereClick here

    Result

    Result

    Proceed to

    CAN system DTCs are not output

    A

    CAN system DTCs are output

    B
    B

    GO TO CAN COMMUNICATION SYSTEM

    w/o Central Gateway ECU:

    Click here

    w/ Central Gateway ECU:

    Click here

    A

  6. CHECK FOR DTC*

    1. Check for DTCs.

      Click here

    Result

    Result

    Proceed to

    DTCs are output

    A

    DTCs are not output

    B
    B

    PROBLEM SYMPTOMS TABLEClick here

    A

  7. DTC CHART

    1. Refer to Diagnostic Trouble Code Chart.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

    REPAIR OR REPLACEClick here

  8. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click hereClick hereClick here

    Result

    Proceed to

    NEXT
    NEXT

  9. CIRCUIT INSPECTION*

    1. Refer to Electronic Circuit Inspection Procedure.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  10. REPAIR OR REPLACE

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

    Result

    Proceed to

    NEXT
    NEXT

  11. 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