TIRE PRESSURE WARNING SYSTEM

CAUTION / NOTICE / HINT

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. CHECK TIRE PRESSURE WARNING LIGHT CONDITION

   1. Turn the ignition switch to ON.

   2. Check the pattern of the tire pressure warning light in the combination meter assembly.

   Result

   Result	Proceed to
   Tire pressure warning light illuminates	A
   Tire pressure warning light blinks at 0.5 second intervals, and illuminates after 1 minute	B

   B

   CHECK ECU CONNECTED TO CAN BUS*Click here

   A

4. CHECK TIRE SIZE

   1. Check if a different sized tire is being used.

      Note:

      If the specified size of tire is not used on all 4 wheels, this system will not operate correctly.

      OK

      The specified size of tire is used on all 4 wheels.

   Result

   Proceed to
   OK
   NG

   NG

   REPLACE TIRES

   OK

5. ADJUST TIRE PRESSURE

   1. Set all tire pressures to the specified value.

      Click hereClick here

      Note:

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

   Result

   Proceed to
   NEXT

   NEXT

6. CONFIRMATION TEST

   1. Turn the ignition switch to ON.

   2. Check that the tire pressure warning light illuminates for 3 or 4 seconds.

      Tip:

      • During initialization: Illuminates for 4 seconds

      • After initialization: Illuminates for 3 seconds

   3. Perform initialization.

      Click hereClick here

   4. Confirm that the initialization has been completed.

   5. Check that the tire pressure warning light goes off.

   Result

   Proceed to
   NEXT

   NEXT

   END

7. CHECK ECU CONNECTED TO CAN BUS*

   1. Check the ECUs connected to the CAN bus.

      Click hereClick hereClick here

   Result

   Result	Proceed to
   No malfunction appears	A
   Malfunction appears	B

   B

   GO TO CAN COMMUNICATION SYSTEM

   Click hereClick here

   A

8. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)*

   1. Check for DTCs.

      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

   Click hereClick here

   A

9. CHECK FOR DTC*

   1. Check for DTCs.

      for VSC System:Click hereClick here

      for Tire pressure warning system:Click hereClick here

      Chassis > ABS/VSC/TRC > Trouble Codes

   Result

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

   B

   PROBLEM SYMPTOMS TABLEClick here

   A

10. DTC CHART

    1. Refer to Diagnostic Trouble Code Chart.

       for VSC System:Click hereClick hereClick here

       for Tire pressure warning system:Click hereClick here

    Result

    Proceed to
    NEXT

    NEXT

    REPAIR OR REPLACEClick here

11. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

       Click hereClick here

    Result

    Proceed to
    NEXT

    NEXT

12. CIRCUIT INSPECTION*

    1. Refer to Electronic Circuit Inspection Procedure.

       Click here

    Result

    Proceed to
    NEXT

    NEXT

13. REPAIR OR REPLACE

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

    Result

    Proceed to
    NEXT

    NEXT

14. CONFIRMATION TEST

    1. Turn the ignition switch to ON.

    2. Check that the tire pressure warning light illuminates for 3 or 4 seconds.

       Tip:

       • During initialization: Illuminates for 4 seconds

       • After initialization: Illuminates for 3 seconds

    3. Perform initialization.

       Click hereClick here

    4. Confirm that the initialization has been completed.

    5. Check that the tire pressure warning light goes off.

    Result

    Proceed to
    NEXT

    NEXT

    END