TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2198/98

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

DESCRIPTION

The switch circuit inside the combination meter assembly turns on and off according to the steering pad switch assembly operation.

During test mode, when the steering pad switch assembly is operated, "Change tire pressure" is selected on the multi-information display and the "ENTER" switch (steering pad switch assembly) is pressed, the tire pressure warning light illuminates, and when the "ENTER" switch (steering pad switch assembly) is not pressed, 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.

  • Steering pad switch assembly

  • Spiral with sensor cable sub-assembly

  • Wire harness or connector

  • Tire pressure warning ECU and receiver

 -

WIRING DIAGRAM

B004A09E02

CAUTION / NOTICE / HINT

Note


  • When replacing the tire pressure warning ECU and receiver, first use the GTS to record all of the current IDs and registered tires with transmitters (4 or 5 tires) of the tire pressure warning valve and transmitter registered to the tire pressure warning ECU and receiver.

  • It is necessary to perform initialization 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 STEERING PAD SWITCH ASSEMBLY


    1. Remove the steering pad switch assembly.

      Click here

    2. Inspect the steering pad switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE STEERING PAD SWITCH ASSEMBLY Click here

    OK

  2. INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY


    1. Remove the spiral with sensor cable sub-assembly.

      Click here

    2. Inspect the spiral with sensor cable sub-assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the P19 spiral with sensor cable sub-assembly connector.

    2. Disconnect the P25 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P19-11 (+DP) - P25-2 (MSM+) Always Below 1 Ω
      P19-11 (+DP) or P25-2 (MSM+) - Body ground Always 10 kΩ or higher
      P19-10 (+DP2) - P25-3 (MSTI) Always Below 1 Ω
      P19-10 (+DP2) or P25-3 (MSTI) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TIRE PRESSURE WARNING ECU AND RECEIVER)


    1. Disconnect the X45*1 or X78*2 tire pressure warning ECU and receiver connector.


      • *1: w/ Rear Fog Light

      • *2: w/o Rear Fog Light

    2. Disconnect the P25 and P26 combination meter assembly connectors.

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

      Standard Resistance
      w/ Rear Fog Light
      Tester Connection Condition Specified Condition
      X45-3 (CLSW) - P26-6 (INT) Always Below 1 Ω
      X45-3 (CLSW) or P26-6 (INT) - Body ground Always 10 kΩ or higher
      P25-31 (ES) - Body ground Always Below 1 Ω
      w/o Rear Fog Light
      Tester Connection Condition Specified Condition
      X78-3 (CLSW) - P26-6 (INT) Always Below 1 Ω
      X78-3 (CLSW) or P26-6 (INT) - Body ground Always 10 kΩ or higher
      P25-31 (ES) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK TERMINAL VOLTAGE (INT)


    1. Disconnect the P26 combination meter assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P26-6 (INT) - Body ground Power switch on (IG) 8 to 15 V
      Result
      Proceed to
      OK
      NG

    OK

    GO TO METER / GAUGE SYSTEM Click here

    NG

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here