LIGHTING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use the following procedure to troubleshoot the lighting system.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

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      3.INSPECT AUXILIARY BATTERY VOLTAGE

      1. Measure the auxiliary battery voltage with the power switch off.

        2. Standard Voltage:
        11 to 14 V

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

      NEXT


      4.INSPECT CAN COMMUNICATION SYSTEM*

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

        Result:

        Result
        		Proceed to
        CAN communication system DTC is not output.
        		A
        CAN communication system DTC is output.
        		B



      		B.
      GO TO CAN COMMUNICATION SYSTEM
      A


      5.CHECK FOR DTC*

      1. Check for DTCs (Click here).

        Result:

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



      		B.
      Go to step 8
      A


      6.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



      		B.
      Go to step 8
      A


      7.OVERALL ANALYSIS AND TROUBLESHOOTING*

      1. Data List / Active Test (Click here)

      2. Terminals of ECU (Click here)


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      8.ADJUST, REPAIR OR REPLACE

        NEXT


        9.CONFIRMATION TEST

          NEXT

          END