Variable Gear Ratio Steering System How To Proceed With Troubleshooting

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CHECK MULTIPLEX COMMUNICATION SYSTEM

  4. CHECK CAN COMMUNICATION SYSTEM

  5. CHECK DTC

  6. DTC CHART

  7. CIRCUIT INSPECTION

  8. REPAIR

  9. CONFIRMATION TEST

  10. PROBLEM SYMPTOMS TABLE

  11. CIRCUIT INSPECTION

  12. CONFIRMATION TEST

Variable Gear Ratio Steering System -- How To Proceed With Troubleshooting


HINT:
The intelligent tester can be used in steps 3, 4, 5, 7 and 11.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

    1. Confirm problem symptoms.


    NEXT


    3.CHECK MULTIPLEX COMMUNICATION SYSTEM

    1. Check for DTCs.

      DTC is not output.
      		A
      DTC is output.
      		B



    		B.
    GO TO MULTIPLEX COMMUNICATION SYSTEM
    A


    4.CHECK CAN COMMUNICATION SYSTEM

    1. Check for DTCs.

      DTC is not output.
      		A
      DTC is output.
      		B



    		B.
    GO TO CAN COMMUNICATION SYSTEM
    A


    5.CHECK DTC

    1. Check for DTCs.

      1. Record the DTCs.

    2. Clear the DTCs.

    3. Recheck for DTCs.

      1. Simulate the malfunction and check if the DTCs are output again (Click here).

        DTC is output.
        		A
        DTC is not output.
        		B
        DTCs are not output, and the malfunction can not be simulated or checked.
        		C



    		B.
    GO TO STEP 10

    		C.
    SYMPTOM SIMULATION
    A


    6.DTC CHART

      NEXT


      7.CIRCUIT INSPECTION

        NEXT


        8.REPAIR

          NEXT


          9.CONFIRMATION TEST

            NEXT

            END


            10.PROBLEM SYMPTOMS TABLE

              NEXT


              11.CIRCUIT INSPECTION

                NEXT


                12.CONFIRMATION TEST

                  NEXT

                  END