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. DTC Detection Condition Trouble Area
C2198/98 Test mode procedure is performed.

  • Tire pressure warning reset switch

  • Harness or connector

  • Tire pressure warning ECU and receiver

WIRING DIAGRAM

A01GW30E11

INSPECTION PROCEDURE

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 here after registration Click 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. A01GY8QE06
      Text in Illustration
      *a

      Component without harness connected

      (Tire Pressure Warning Reset Switch)
      *b Pushed in
      *c Released

      Remove the tire pressure warning reset switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 (INT) - 2 (E) Pushed in Below 1 Ω
      Released 10 kΩ or higher

    NG

    REPLACE TIRE PRESSURE WARNING RESET SWITCH Click here

    OK

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


    1. Disconnect the tire pressure warning reset switch L28 connector and the tire pressure warning ECU and receiver L175 connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L175-2 (CLSW) - L28-1 (INT) Always Below 1 Ω
      L175-2 (CLSW) or L28-1 (INT) - Body ground Always 10 kΩ or higher
      L28-2 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here