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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 127 (Tire Pressure Warning System - Diagnostic Codes & Symptom Tests (Hybrid)) >> TIRE PRESSURE WARNING SYSTEM (for HV Model) >> DTC C2198: Initialization Switch Error (for Test Diagnosis) [04/2018 -] >> Procedure

DTC C2198: Initialization Switch Error (for Test Diagnosis) [04/2018 -]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Remove the steering pad switch assembly.

      Refer to REMOVAL [04/2018 - 08/2021] , or refer to REMOVAL [08/2021 -]

    2. Inspect the steering pad switch assembly.

      Refer to INSPECTION [04/2018 -]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

    Result: 

    OK 

    See step  2

  2. INSPECT SPIRAL CABLE SUB-ASSEMBLY 
    1. Remove the spiral cable sub-assembly.

      Refer to REMOVAL [04/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 -]

    2. Inspect the spiral cable sub-assembly.

      Refer to INSPECTION [04/2018 -]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY) 
    1. Disconnect the G17 spiral cable sub-assembly connector.
    2. Disconnect the G16 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G17-10 (+DP2) - G16-28 (MSM+) Always Below 1 Ω
      G17-10 (+DP2) or G16-28 (MSM+) - Body ground Always 10 kΩ or higher
      G17-11 (+DP) - G16-29 (MSTI) Always Below 1 Ω
      G17-11 (+DP) or G16-29 (MSTI) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Disconnect the K11 tire pressure warning ECU and receiver connector.
    2. Disconnect the G16 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K11-3 (CLSW) - G16-4 (INT) Always Below 1 Ω
      K11-3 (CLSW) or G16-4 (INT) - Body ground Always 10 kΩ or higher
      G16-21 (ES) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK TERMINAL VOLTAGE (INT) 
    1. Connect the K11 tire pressure warning ECU and receiver connector.
    2. Disconnect the G16 combination meter assembly connector.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G16-4 (INT) - Body ground Power switch on (IG) 8 to 15 V

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 -] 

    Result: 

    NG 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 -]