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 illuminates 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

Note

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

C270966E11

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 initializationClick hereafter registrationClick hereof 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. C239105C04

      *a

      Component without harness connected

      (Tire Pressure Warning Reset Switch)

      *b

      On

      *c

      Off

      Remove the tire pressure warning reset switch.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      1 (INT) - 2 (E)

      On

      Below 1 Ω

      Off

      10 kΩ or higher

    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 E123 tire pressure warning reset switch connector.

    2. Disconnect the L70, L88 or Q15 tire pressure warning ECU and receiver connector.

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

      Standard Resistance

      Table 1. for Sedan:

      Tester Connection

      Condition

      Specified Condition

      L70-3 (CLSW) - E123-1 (INT)

      Always

      Below 1 Ω

      L70-3 (CLSW) or E123-1 (INT) - Body ground

      Always

      10 kΩ or higher

      E123-2 (E) - Body ground

      Always

      Below 1 Ω
      Table 2. for Hatchback:

      Tester Connection

      Condition

      Specified Condition

      L88-3 (CLSW) - E123-1 (INT)

      Always

      Below 1 Ω

      L88-3 (CLSW) or E123-1 (INT) - Body ground

      Always

      10 kΩ or higher

      E123-2 (E) - Body ground

      Always

      Below 1 Ω
      Table 3. for Wagon:

      Tester Connection

      Condition

      Specified Condition

      Q15-3 (CLSW) - E123-1 (INT)

      Always

      Below 1 Ω

      Q15-3 (CLSW) or E123-1 (INT) - Body ground

      Always

      10 kΩ or higher

      E123-2 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

    for Sedan:Click here

    for Wagon:Click here

    for Hatchback:Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR