VEHICLE PROXIMITY NOTIFICATION SYSTEM Sound does not Turn ON or OFF when the Vehicle Approaching Speaker Switch is Pressed

DESCRIPTION

When the vehicle approaching speaker switch is pushed when the vehicle approaching speaker system is on, the vehicle approaching speaker controller receives a signal to temporarily suspend output of the warning sound from the vehicle approaching speaker assembly.

WIRING DIAGRAM

A005C0ME12

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. READ VALUE USING GTS (Operation Cancel SW)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.

    5. Read the Data List according to the display on the GTS.

      Vehicle Proximity Notification System
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Operation Cancel SW Vehicle approaching speaker switch / OFF or ON

      OFF: Vehicle approaching speaker switch not pressed

      ON: Vehicle approaching speaker switch pressed

      -
      Result
      Result Proceed to
      The GTS display changes according to the operation of the vehicle approaching speaker switch but the warning sound does not stop A
      The GTS display changes according to the operation of the vehicle approaching speaker switch but the warning sound does not start B
      The GTS display does not change according to the operation of the vehicle approaching speaker switch C

    A
    B
    C
  2. INSPECT VEHICLE APPROACHING SPEAKER SWITCH


    1. Remove the vehicle approaching speaker switch Click here.

    2. Inspect the vehicle approaching speaker switch Click here.


    NG
    OK
  3. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER SWITCH - IG1 NO. 1 RELAY)


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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A68-8 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

    NG
    OK
  4. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - VEHICLE APPROACHING SPEAKER SWITCH)


    1. Disconnect the L130 vehicle approaching speaker controller connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L130-5 (SW) - A68-11 (ECU) Always Below 1 Ω
      L130-5 (SW) or A68-11 (ECU) - Body ground Always 10 kΩ or higher

    OK
    NG