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. Set the tire pressure to the specified value.

      Click here

    3. Connect the GTS to the DLC3.

    4. Turn the ignition switch to ON (IG).

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

    6. Read the "ID Tire Inflation Pressure" values.

    7. Check the Data List.

      Click here

      Tech Tips


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

      • If the problem is that the tire pressure decreases, wait until all of the tire pressure data is received by the ECU. If the data is received, the tire pressure warning light will go off.

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

    A

    GO TO STEP 11 Click here

    B

  4. CHECK ECU CONNECTED TO CAN BUS*


    1. Check the ECUs connected to the CAN bus.


      Result
      Result Proceed to
      No malfunction appears A
      Malfunction appears (w/o Toyota Safety Sense) B
      Malfunction appears (w/ Toyota Safety Sense) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)*


    1. Check if a CAN communication system DTC is output.


      Result
      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output (w/o Toyota Safety Sense) B
      CAN communication system DTC is output (w/ Toyota Safety Sense) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  6. CHECK FOR DTC*


    1. Check for DTCs.

      Click here

      Result
      Result Proceed to
      DTC is output A
      DTC is not output B

    B

    PROBLEM SYMPTOMS TABLE Click here

    A

  7. DTC CHART


    1. Refer to the Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 10 Click here

  8. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. CIRCUIT INSPECTION*


    1. Refer to the 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