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Home >> Toyota >> 2021 >> Avalon TRD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostic Codes & Circuit Tests (Except Hybrid) (1 Of 2) >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Symptom Tests >> Combination Meter ECU Communication Stop Mode [04/2018 -] >> Procedure

Combination Meter ECU Communication Stop Mode [04/2018 -]: Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (COMBINATION METER ASSEMBLY MAIN LINE) 
    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
      G16-32 (CANH) - G16-31 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      GTY940077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER ASSEMBLY) 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G16-2 (EP) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
      G16-21 (ES) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
      GTY901219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Combination Meter Assembly)
    2. Reconnect the cable to the negative (-) battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

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

      Result

      Result
      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 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)