TIRE PRESSURE WARNING SYSTEM Tire Pressure Warning Light does not Illuminate

DTC Code DTC Name
Tire Pressure Warning Light does not Illuminate

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.

CAUTION / NOTICE / HINT

Note:

When replacing the skid control ECU (brake actuator assembly), perform VSC system variant learning, acceleration sensor zero point calibration and tire pressure warning system initialization.

VSC system:Click hereClick here

Tire pressure warning system:Click hereClick here

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    1. Check if CAN communication system DTCs are output.

      Click hereClick hereClick here

    Result

    Result

    Proceed to

    DTCs are not output.

    A

    DTCs are output.

    B

    B

    INSPECT CAN COMMUNICATION SYSTEM

    A
  2. PERFORM ACTIVE TEST USING GTS (TIRE PRESSURE WARNING LIGHT)

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Select the Active Test on the GTS.

      Click here

      Chassis > ABS/VSC/TRC > Active Test

      Tester Display

      Measurement Item

      Control Range

      Diagnostic Note

      TPMS Warning Light

      Tire pressure warning light

      Warning light ON/OFF

      Observed combination meter assembly

      Chassis > ABS/VSC/TRC > Active Test

      Tester Display

      TPMS Warning Light

    4. Select the Data List on the GTS.

      Click here

      Chassis > ABS/VSC/TRC > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Tire Pressure Light

      Tire pressure warning light

      ON or OFF

      ON: Warning light on

      OFF: Warning light off

      -

      Chassis > ABS/VSC/TRC > Data List

      Tester Display

      Tire Pressure Light

    5. Check the operating condition of the tire pressure warning light when operating it using the GTS.

      Result

      Result

      Proceed to

      Tire pressure warning light in the Data List does not change using the Active Test.

      A

      Tire pressure warning light in the Data List turns ON/OFF using the Active Test.

      B

      Tip:

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

      Click hereClick here

    A

    REPLACE BRAKE ACTUATOR ASSEMBLY

    B
  3. INSPECT COMBINATION METER ASSEMBLY

    1. Turn the ignition switch off.

    2. Perform an Active Test of the combination meter assembly using the GTS.

      Click hereClick hereClick here

      Body Electrical > Combination Meter > Active Test

      Tester Display

      Measurement Item

      Control Range

      Diagnostic Note

      Indicat. Tire Pressure Warning System

      Tire pressure warning light

      Warning light ON/OFF

      Observed combination meter assembly

      Body Electrical > Combination Meter > Active Test

      Tester Display

      Indicat. Tire Pressure Warning System

    3. Check the combination meter assembly.

      OK

      The tire pressure warning light turns on or off in accordance with the Active Test operation.

      Tip:

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

      Click hereClick here

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY

    NG

    INSPECT METER / GAUGE SYSTEM