VEHICLE PROXIMITY NOTIFICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the vehicle proximity notification system.

  • *: Use the Techstream.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK


    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


      NEXT

  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the Techstream to check if the CAN communication system is functioning normally.

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

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  5. CHECK FUNCTION OF LIGHTING SYSTEM (EXT)


    1. Check whether the lighting system is functioning normally Click here.

      Result
      Result Proceed to
      Lighting system is functioning normally A
      Lighting system is not functioning normally B

      B

      GO TO LIGHTING SYSTEM Click here

      A

  6. CHECK METER / GAUGE SYSTEM*


    1. Using the Techstream to check if the meter/gauge system is functioning normally.

      Tech Tips

      If the vehicle approaching speaker controller mistakenly receives a vehicle speed signal, communication between the vehicle and the Techstream fails. Be sure to check "Vehicle Speed Meter" displayed on the Data List to make sure that the vehicle speed is not abnormal.

      Result
      Result Proceed to
      No vehicle speed signal is mistakenly received A
      A vehicle speed signal is mistakenly received B

      B

      GO TO METER / GAUGE SYSTEM Click here

      A

  7. CHECK HYBRID CONTROL SYSTEM


    1. Check whether the hybrid control system is functioning normally Click here.

      Result
      Result Proceed to
      Hybrid control system is functioning normally A
      Hybrid control system is not functioning normally B

      B

      GO TO HYBRID CONTROL SYSTEM Click here

      A

  8. CHECK FOR DTC*


    1. Check for DTCs Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs Click here.

      Result
      Result Proceed to
      DTCs are output A
      DTCs are not output B

      B

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  9. PROBLEM SYMPTOMS TABLE

    Result
    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

    B

    GO TO PROBLEM SYMPTOMS TABLE Click here

    A

  10. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

    3. Inspection


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  11. REPAIR OR REPLACE


    NEXT

  12. CONFIRMATION TEST


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    END