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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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM 
    1. Use the intelligent tester or Techstream to check if the CAN communication system is functioning normally.

      Result 

    RESULT CHART

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

    B:  Go to CAN COMMUNICATION SYSTEM

    A: Go to next step 

  4. PROBLEM SYMPTOMS TABLE 

    Result 

    RESULT CHART

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

    B:  Go to step  6

    A: Go to next step 

  5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. DATA LIST / ACTIVE TEST (see DATA LIST / ACTIVE TEST )
    2. Terminals of ECU (see TERMINALS OF ECU )
  6. ADJUST, REPAIR OR REPLACE 
  7. CONFIRMATION TEST 

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