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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System - Diagnostic Codes & Symptom Tests (Except Hybrid) >> AUDIO AND VISUAL SYSTEM (for Gasoline Model) >> DTC B1324: Lost Communication with Meter [04/2018 -] >> Procedure

DTC B1324: Lost Communication with Meter [04/2018 -]: Procedure

  1. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY POWER SOURCE) 
    1. Disconnect the G16 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G16-21 (ES) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G16-40 (B) - Body ground Always 11 to 14 V
      G16-39 (IG+) - Body ground Engine switch on (IG) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR 
    1. Disconnect the cable from the negative (-) battery terminal.
    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
      G16-36 (TX+) - G16-37 (TX-) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 -] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) 
    1. Disconnect the G2 radio and display receiver 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
      G2-5 (CNH1) - G16-36 (TX+) Always Below 1 Ω
      G2-6 (CNL1) - G16-37 (TX-) Always Below 1 Ω
      G2-5 (CNH1) or G16-36 (TX+) - Body ground Always 10 kΩ or higher
      G2-6 (CNL1) or G16-37 (TX-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [04/2018 -] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR