TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2198/98

DTC Code DTC Name
C2198/98 Initialization Switch (for Test Mode DTC)

DESCRIPTION

During test mode, when the tire pressure warning reset switch is on, the tire pressure warning light comes on and when the tire pressure warning reset switch is off, the tire pressure warning light blinks at 0.125 second intervals.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C2198/98

Initialization Switch (for Test Mode DTC)

Test mode procedure is performed.

  • Tire pressure warning reset switch

  • Wire harness or connector

  • Tire pressure warning ECU and receiver

WIRING DIAGRAM

C249283E12

CAUTION / NOTICE / HINT

Note:

  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.

  • It is necessary to perform initialization (Click hereClick here) after registration (Click hereClick here) of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

PROCEDURE

  1. INSPECT TIRE PRESSURE WARNING RESET SWITCH

    1. Remove the tire pressure warning reset switch.

      Click here

    2. Inspect the tire pressure warning reset switch.

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE TIRE PRESSURE WARNING RESET SWITCH

    Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (RESET SWITCH - TIRE PRESSURE WARNING ECU AND RECEIVER)

    1. Disconnect the tire pressure warning reset switch G108 connector and tire pressure warning ECU and receiver R42 connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      R42-7 (CLSW) - G108-1 (INT)

      Always

      Below 1 Ω

      R42-7 (CLSW) or G108-1 (INT) - Body ground

      Always

      10 kΩ or higher

      G108-2 (E) - Body ground

      Always

      Below 1 Ω

      Result

      Proceed to

      OK

      NG
    OK

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR