LIGHTING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

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The intelligent tester can be used at step 4, 5, 6, 12.


1.VEHICLE BROUGHT TO WORK SHOP

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    2.CUSTOMER PROBLEM ANALYSIS

    1. Confirm problem symptoms.


    NEXT


    3.PROBLEM SYMPTOM CONFIRMATION


      		.
      SYMPTOM DOES NOT OCCUR (GO TO STEP 4)

      		.
      SYMPTOM OCCURS (GO TO STEP 5)

      4.CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

      1. Check for the DTC outputs.



      		.
      MULTIPLEX DTC OUTPUTS (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")

      		.
      NO MULTIPLEX DTC (GO TO STEP 5)

      5.DTC CHECK (OTHER THAN MULTIPLEX DTC)


        		.
        MALFUNCTION CODE (GO TO STEP 6)

        		.
        NORMAL CODE (GO TO STEP 7)

        6.DTC CHART


          		.
          GO TO STEP 9

          7.PROBLEM SYMPTOMS TABLE

            NEXT


            8.TERMINALS OF ECU

              NEXT


              9.CIRCUIT INSPECTION

                NEXT


                10.IDENTIFICATION OF PROBLEM

                  NEXT


                  11.REPAIR OR REPLACE

                    NEXT


                    12.CONFIRMATION TEST

                      NEXT

                      END