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

  • Wire harness or connector

  • Tire pressure warning ECU and receiver

WIRING DIAGRAM

A01I1X5E24

INSPECTION PROCEDURE

Note


  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream 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.

  • When replacing the tire pressure warning ECU and receiver on vehicles equipped with the wireless door lock control system (w/o smart key system), be sure to perform Registration of Recognition Code to register the transmitter IDs after ECU replacement Click here.

PROCEDURE


  1. INSPECT TIRE PRESSURE WARNING RESET SWITCH


    1. A01I05BE01
      Text in Illustration
      *a

      Component without harness connected

      (Tire Pressure Warning Reset Switch)
      *b On
      *c Off

      Disconnect the tire pressure warning reset switch connector.

    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) On Below 1 Ω
      Off 10 kΩ or higher

    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 I186 tire pressure warning reset switch connector and O25, O33 or N41 tire pressure warning ECU and receiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition

      O25-3 (CLSW) - I186-1 (INT)*1

      O33-3 (CLSW) - I186-1 (INT)*2

      N41-3 (CLSW) - I186-1 (INT)*3

      		 Always Below 1 Ω

      O25-3 (CLSW) - Body ground*1

      O33-3 (CLSW) - Body ground*2

      N41-3 (CLSW) - Body ground*3

      		 Always 10 kΩ or higher
      I186-2 (E) - Body ground Always Below 1 Ω

      • *1: w/o Intuitive Parking Assist System with Smart Key System

      • *2: w/o Intuitive Parking Assist System without Smart Key System

      • *3: w/ Intuitive Parking Assist System


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here