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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. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)* 
    1. Use the intelligent tester to check for normal function of the multiplex communication system.

      Result 

      RESULT CHART

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

    B: Go to  MULTIPLEX 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. See OPERATION CHECK  .
    2. See TERMINALS OF ECU  .
    3. See DATA LIST / ACTIVE TEST  .
  6. ADJUST, REPAIR OR REPLACE 
  7. CONFIRMATION TEST 

    NEXT: END