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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (Can Communication System (HV) - Circuit Tests (2 Of 6)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Vehicle Approaching Sound ECU Communication Stop Mode [02/2019 - 12/2021] >> Procedure

Vehicle Approaching Sound ECU Communication Stop Mode [02/2019 - 12/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OPEN IN CAN BUS WIRE (VEHICLE APPROACHING SPEAKER CONTROLLER BRANCH WIRE) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the vehicle approaching speaker controller connector.
      GTY873497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Vehicle Approaching Speaker ECU Controller)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A45-3 (CANH) - A45-4 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to 
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

    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
      A45-6 (GND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      GTY873496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Vehicle Approaching Speaker Controller)
    2. Reconnect the cable to the negative (-) auxiliary battery terminal.
      NOTE:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

      Refer to INITIALIZATION [02/2019 - 10/2019] , or refer to INITIALIZATION [10/2019 - 06/2020] , or refer to INITIALIZATION [06/2020 - 08/2020] , or refer to INITIALIZATION [08/2020 - 12/2021]

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

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      A45-1 (IG) - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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