TELEMATICS SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:
  • Use the following procedure to troubleshoot the telematics system.

  • *: Use the GTS.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT

    NEXT
  2. CHECK PROBLEM SYMPTOM

    1. The telematics system provides a variety of functions. Therefore, it is important to identify whether a malfunction is related to the communication system, including radio wave signal conditions, or any other systems. Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal conditions caused the malfunction.

      Displayed Message and Problem Symptom

      Cause

      A message is temporarily displayed indicating to try again after waiting for a while because the lines are busy.

      This is caused when there is a problem with the radio wave signal conditions or when the base station is busy. This is not a malfunction (inform the customer that this is not a malfunction and ask them to use the system as is).

    Result

    Proceed to

    NEXT

    NEXT
  3. INSPECT AUXILIARY BATTERY VOLTAGE

    1. Measure the auxiliary battery voltage.

      Standard voltage

      11 to 14 V

      Tip:

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

    Result

    Proceed to

    NEXT

    NEXT
  4. CHECK CAN COMMUNICATION SYSTEM*

    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result

      Result

      Proceed to

      CAN communication system DTCs are not output.

      A

      CAN communication system DTCs are output.

      B

    B

    GO TO CAN COMMUNICATION SYSTEM

    A
  5. CHECK FOR DTC*

    1. Refer to DTC Check/Clear.

      Click here

      Body Electrical > Telematics > Trouble Codes

      Result

      Result

      Proceed to

      DTCs are output.

      A

      DTCs are not output.

      B

    B

    PROBLEM SYMPTOMS TABLEClick here

    A
  6. DTC CLEAR*

    1. Refer to DTC Check/Clear.

      Click here

      Body Electrical > Telematics > Clear DTCs

      Tip:

      The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.

    Result

    Proceed to

    NEXT

    NEXT
  7. RECHECK FOR DTC*

    1. Refer to DTC Check/Clear.

      Click here

      Body Electrical > Telematics > Trouble Codes

      Result

      Result

      Proceed to

      DTCs are output.

      A

      DTCs are not output.

      B

      Tip:
      • Even if the problem symptom has not been confirmed, check for DTCs. This is because the system stores history DTCs.

      • Check the DTCs and inspect the area that the code indicates.

    A

    CHECK CIRCUITClick here

    B
  8. 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

      Tip:

      If the symptom does not recur and no DTCs are output, perform the simulation method.

      Click here

    B

    CHECK CIRCUITClick here

    A
  9. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

    1. Refer to Terminals of ECU.

      Click here

    Result

    Proceed to

    NEXT

    NEXT
  10. CHECK CIRCUIT

    1. Adjust, repair or replace as necessary.

      Note:

      Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Registration for Telematics System.

      Click here

    Result

    Proceed to

    NEXT

    NEXT
  11. PERFORM CONFIRMATION TEST

    Result

    Proceed to

    NEXT

    NEXT

    END