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

*a	Vehicle Approaching Speaker Controller

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK FOR DTC

   
   

   1. Perform self check (check all DTCs) Click here.

      OK
      Vehicle approaching speaker controller can communicate with the GTS.

   
   

   OK

   USE SIMULATION METHOD TO CHECK Click here

   NG

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

   
   
   1. 

      Text in Illustration

      *a	Front view of wire harness connector (to Vehicle Approaching Speaker Controller)

      Disconnect the 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 T55-7 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition T55-1 (IG) - Body ground Power switch on (IG) 11 to 14 V

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

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

   
   

   1. Disconnect the T55 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 N20-7 (SIL) - T55-9 (PRST) Always Below 1 Ω N20-4 (CG) - Body ground Always Below 1 Ω N20-7 (SIL) or T55-9 (PRST) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR