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How To Proceed With Troubleshooting

HINT:

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. INSPECT BATTERY VOLTAGE 

    Standard voltage: 11 to 14 V 

    If the voltage is below 11 V, recharge or replace the battery before proceeding. 

  3. CHECK IF SAME SYMPTOM APPEARS IN NAVIGATION SYSTEM 
    1. Refer to the navigation system .

      Result 

      IF SAME SYMPTOM APPEARS IN NAVIGATION SYSTEM

      Result Proceed to
      Symptom does not appear A
      Symptom appears (for HDD) B
      Symptom appears (for DVD) C

    B: FOLLOW NAVIGATION SYMPTOM CHART TO PERFORM TROUBLESHOOTING  (See PROBLEM SYMPTOMS TABLE )

    C: FOLLOW NAVIGATION SYMPTOM CHART TO PERFORM TROUBLESHOOTING  (See PROBLEM SYMPTOMS TABLE )

    A: GO TO NEXT STEP 

  4. INSPECT COMMUNICATION OF CAN COMMUNICATION SYSTEM* 
    1. Using the intelligent tester or Techstream, check if the CAN communication system is functioning normally.

      Result 

      COMMUNICATION OF CAN COMMUNICATION SYSTEM

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

    B: Go to CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

    A: GO TO NEXT STEP 

  5. CHECK FOR DTC* 
    1. Check for DTCs and note any codes that are output (see DTC CHECK / CLEAR  ).
    2. Delete the DTC (see DTC CHECK / CLEAR  ).
    3. Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

      Result 

      RESULT CHART

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

    B: Go to step   8 

    A: GO TO NEXT STEP 

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to the PROBLEM SYMPTOMS TABLE  .

      Result 

      RESULT CHART

      Result Proceed to
      Fault is not listed in problem symptoms table A
      Fault is listed on problem symptoms table B

    B: Go to step   8 

    A: GO TO NEXT STEP 

  7. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU (see TERMINALS OF ECU  ).
    2. Data List / Active Test (see DATA LIST / ACTIVE TEST  ).
  8. ADJUST, REPAIR OR REPLACE 
  9. CONFIRMATION TEST 

    NEXT: END