VEHICLE PROXIMITY NOTIFICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


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

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT
  2. CUSTOMER PROBLEM ANALYSIS

    Tech Tips


    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points for problem analysis:

      What Vehicle model, system name
      When Date, time, occurrence frequency
      Where Road conditions
      Under what conditions? Driving conditions, weather conditions
      How did it happen? Problem symptoms
    Result
    Proceed to
    NEXT

    NEXT
  3. PRE-CHECK


    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.

    2. Check the fuses and relays.

    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to
      NEXT

    NEXT
  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the GTS, check for CAN communication system DTCs.

      Click here

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

    B
    A
  5. CHECK LIGHTING SYSTEM


    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
    A
  6. CHECK METER / GAUGE SYSTEM*


    1. Using the GTS, check if the meter/gauge system is functioning normally.

      Click here

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

    B
    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
    A
  8. CHECK FOR DTC*


    1. Check for DTCs.

      Click here


      Body Electrical > Vehicle Proximity Notification System > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B
    A
  9. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

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

    B
    A
  10. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check.

      Click here

    2. Data List / Active Test.

      Click here

    3. Terminals of ECU.

      Click here

    4. Inspection.

      Result
      Proceed to
      NEXT

    NEXT
  11. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  12. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT