Lexus IS250 · Service Manual RESTRAINTS

HOW TO PROCEED WITH TROUBLESHOOTING

Troubleshooting

The intelligent tester can be used in steps 3, 4, 6, 8, 10 and 11.

1.VEHICLE BROUGHT TO WORKSHOP
    NEXT

    2.CUSTOMER PROBLEM ANALYSIS
    1. Confirm problem symptoms (Click here).

    NEXT

    3.CHECK MULTIPLEX COMMUNICATION SYSTEM
    1. Check for DTC outputs.


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    4.CHECK CAN COMMUNICATION SYSTEM
    1. Check for DTC outputs.


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    5.CHECK WARNING LIGHT
      NEXT

      6.CHECK DTC (Present and Past DTCs)

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        7.DTC CHART
          NEXT

          8.CIRCUIT INSPECTION
            NEXT

            9.REPAIR
              NEXT

              10.CLEAR DTC (Present and Past DTCs)
                NEXT

                11.CHECK DTC (Present and Past DTCs)

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                  12.CONFIRMATION TEST
                    NEXT

                    ← SYSTEM DESCRIPTIONPROBLEM SYMPTOMS TABLE →