Click here

NAVIGATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Click here
Click here
DTC Code DTC Name
  HOW TO PROCEED WITH TROUBLESHOOTING
Click here

CAUTION / NOTICE / HINT

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

  • *: Use the GTS.

Click here

PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

  2. Click here

    CUSTOMER PROBLEM ANALYSIS


    • When 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 in 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

  3. Click here

    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

  4. Click here

    CHECK CABIN


    1. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

      OK
      Condensation is not likely being produced and the temperature is not high or extremely low.
      Tip:
      • A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.

      • The navigation system may not operate normally when the temperature is -20°C (-4°F) or lower, or 65°C (149°F) or higher.

      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      SET CABIN TO APPROPRIATE TEMPERATURE

  5. Click here

    CHECK NAVIGATION SYSTEM NORMAL CONDITION


    1. Refer to Check System Normal Condition (Click here).

      Result
      Result Proceed to
      Symptom is not normal operation. A
      Symptom is normal operation. B

  6. Click here

    CHECK CAN COMMUNICATION SYSTEM*


    1. Check for DTC output (Click here).

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

  7. Click here

    CHECK FOR DTC*


    1. Refer to DTC Check/Clear (Click here).

      Note:

      Once DTC B1323 and DTC B1321 are cleared, they will not be stored even if there is a malfunction. If DTC B1323 or DTC B1321 is output, proceed to the troubleshooting procedure for DTC B1323 and DTC B1321 before clearing DTCs (Click here).

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

  8. Click here

    DTC CLEAR*


    1. Refer to DTC Check/Clear (Click here).

      Tip:

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

      Result
      Proceed to
      NEXT

  9. Click here

    RECHECK FOR DTC*


    1. Refer to DTC Check/Clear (Click here).

      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output. B
      Tip:
      • Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.

      • If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the GTS.

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


  10. Click here

    DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output code in Diagnostic Trouble Code Chart (Click here).

      Result
      Proceed to
      NEXT

  11. Click here

    CHECK HARD DISK DRIVE


    1. Enter the "HDD Check" screen. Refer to Check Hard Disk Drive in Operation Check (Click here).

      OK
      "OK" is displayed.
      Result
      Proceed to
      OK
      NG

  12. Click here

    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, attempt to reproduce the symptoms (Click here).


  13. Click here

    PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU (Click here).

      Result
      Proceed to
      NEXT

  14. Click here

    CHECK CIRCUIT


    1. Adjust, repair or replace as necessary.

      Result
      Proceed to
      NEXT

  15. Click here

    RECHECK FOR DTC*


    1. After clearing DTCs, recheck for DTCs (Click here).

      Result
      Proceed to
      NEXT

  16. Click here

    PERFORM CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END