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There is No Sound Made [10/2022 - 11/2023]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Vehicle Proximity Notification System > Trouble Codes 

      Result

      Result Proceed to
      DTC B1350 is not output A
      DTC B1350 is output B

    Result: 

    GO TO DTC CHART B1350. Refer to  DTC B1350: Speaker Circuit [10/2022 - 11/2023]  

    Result: 

    See step  2

  2. PERFORM ACTIVE TEST USING GTS 
    1. Perform the Active Test according to the display on the GTS.

      Body Electrical > Vehicle Proximity Notification System > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Proximity Sound (Vehicle Stationary) 0 km/h (0 mph) vehicle proximity warning sound OFF or ON -

      Body Electrical > Vehicle Proximity Notification System > Active Test 

      Tester Display
      Proximity Sound (Vehicle Stationary)

      Result

      Result Proceed to
      The warning sound is produced A
      The warning sound is not produced B

    Result: 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND) 
    1. Disconnect the A50 vehicle approaching speaker controller connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A50-1 (IG) - Body ground Ignition switch ON 11 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A50-6 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER. Refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR