Airbag System How To Proceed With Troubleshooting

Restraints. Lexus Is250, Is220D. Gse20 Ale20
Supplemental Restraint System. Lexus Is250, Is220D. Gse20 Ale20

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CHECK MULTIPLEX COMMUNICATION SYSTEM

  4. CHECK CAN COMMUNICATION SYSTEM

  5. CHECK WARNING LIGHT

  6. CHECK DTC (Present and Past DTCs)

  7. DTC CHART

  8. CIRCUIT INSPECTION

  9. REPAIR

  10. CLEAR DTC (Present and Past DTCs)

  11. CHECK DTC (Present and Past DTCs)

  12. CONFIRMATION TEST

Airbag System -- How To Proceed With 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.



    		.
    DTC IS OUTPUT: CHECK MULTIPLEX COMMUNICATION CIRCUIT

    		.
    DTC IS NOT OUTPUT: Go to step 4

    4.CHECK CAN COMMUNICATION SYSTEM

    1. Check for DTC outputs.



    		.
    DTC IS OUTPUT: CHECK CAN COMMUNICATION CIRCUIT

    		.
    DTC IS NOT OUTPUT: Go to step 5

    5.CHECK WARNING LIGHT

      NEXT


      6.CHECK DTC (Present and Past DTCs)


        		.
        DTC IS OUTPUT (INCLUDING NORMAL SYSTEM CODE): Go to step 7

        		.
        DTC IS NOT OUTPUT: PROBLEM SYMPTOMS TABLE

        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)


                  		.
                  DTC IS NOT OUTPUT: Go to step 12

                  		.
                  DTC IS OUTPUT: Go to step 7

                  12.CONFIRMATION TEST

                    NEXT

                    END