VEHICLE PROXIMITY NOTIFICATION SYSTEM Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible

DESCRIPTION

The vehicle approaching speaker controller communicates with the GTS through the DLC3.

WIRING DIAGRAM

B002HLNE07
*a from IG1 NO.1 Relay
*b ECU-IG NO.3
*c MPU
*d Vehicle Approaching Speaker Controller

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK CHECK FOR


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Health Check.


      CAN Bus Check
      OK
      Vehicle approaching speaker controller can communicate with the GTS.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - BATTERY AND BODY GROUND)


    1. B002IXQC34
      *a

      Front view of wire harness connector

      (to Vehicle Approaching Speaker Controller)

      Disconnect the vehicle approaching speaker controller connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A67-1 (IG) - Body ground Power switch on (IG) 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A67-7 (GND) - Body ground Always Below 1 Ω
      Result
      Result
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - DLC3)


    1. Disconnect the A67 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
      A67-9 (PRST) - I7-7 (SIL) Always Below 1 Ω
      A67-9 (PRST) or I7-7 (SIL) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)


    1. B002IOGC32
      *a Front view of DLC3

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I7-4 (CG) - Body ground Always Below 1 Ω
      Result
      Result
      OK
      NG

    OK

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR