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TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2198/98

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

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WIRING DIAGRAM

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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 after registrationClick hereof the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

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PROCEDURE


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    INSPECT TIRE PRESSURE WARNING RESET SWITCH


    1. A01FNIBC04
      *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

    • OKClick here
    • NG

      REPLACE TIRE PRESSURE WARNING RESET SWITCH for LHD

      REPLACE TIRE PRESSURE WARNING RESET SWITCHClick here

      REPLACE TIRE PRESSURE WARNING RESET SWITCH for RHD

      REPLACE TIRE PRESSURE WARNING RESET SWITCHClick here

  2. Click here

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


    1. Disconnect the O91 tire pressure warning reset switch connector.

    2. Disconnect the U33 or U32 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 Tire Pressure Warning ECU and Receiver Integrated with Electrical Key Receiver
      Tester Connection Condition Specified Condition
      U33-3 (CLSW) - O91-1 (INT) Always Below 1 Ω
      U33-3 (CLSW) or O91-1 (INT) - Body ground Always 10 kΩ or higher
      O91-2 (E) - Body ground Always Below 1 Ω
      Table 2. for Tire Pressure Warning ECU and Receiver (Stand Alone)
      Tester Connection Condition Specified Condition
      U32-3 (CLSW) - O91-1 (INT) Always Below 1 Ω
      U32-3 (CLSW) or O91-1 (INT) - Body ground Always 10 kΩ or higher
      O91-2 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE TIRE PRESSURE WARNING ECU AND RECEIVERClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR