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

A00215YE01
*a from IG1 NO. 3 Relay
*b ECU-IG1 NO. 1
*c Vehicle Approaching Speaker Switch
*d Vehicle Approaching Speaker Controller

CAUTION / NOTICE / HINT

Note

Inspect the fuses of circuits related to this system before performing the following 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.


      Body Electrical > Vehicle Proximity Notification System > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Operation Cancel SW Vehicle approaching speaker switch signal OFF or ON

      OFF: Vehicle approaching speaker switch is not pressed

      ON: Vehicle approaching speaker switch is pressed

      		 -

      Body Electrical > Vehicle Proximity Notification System > Data List
      Tester Display
      Operation Cancel SW
      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

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here

    B

    GO TO DIAGNOSTIC PROCEDURE (There is No Sound Made) Click here

    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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE VEHICLE APPROACHING SPEAKER SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (IG POWER SOURCE - VEHICLE APPROACHING SPEAKER SWITCH)


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

      Standard Voltage
      Tester Connection Condition Specified Condition
      K157-3 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the K145 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
      K157-6 (ECU) - K145-5 (SW) Always Below 1 Ω
      K157-6 (ECU) or K145-5 (SW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR