Wiper And Washer System How To Proceed With Troubleshooting

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Wiper And Washer. Lexus Is250, Is220D. Gse20 Ale20
  1. VEHICLE BROUGHT TO WORKSHOP

  2. PROBLEM SYMPTOM CONFIRMATION

  3. SYMPTOM SIMULATION

  4. CHECK MULTIPLEX COMMUNICATION SYSTEM*

  5. CHECK CAN COMMUNICATION SYSTEM*

  6. PROBLEM SYMPTOMS TABLE

  7. CIRCUIT INSPECTION

  8. TERMINALS OF ECU

  9. IDENTIFICATION OF PROBLEM

  10. REPAIR OR REPLACE

  11. CONFIRMATION TEST

Wiper And Washer System -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedures to troubleshoot the wiper and washer system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.PROBLEM SYMPTOM CONFIRMATION
      Result:
      Result
      Proceed to
      Symptom does not occur
      A
      Symptom occurs
      B


    B.
    GO TO STEP 4
    A


    3.SYMPTOM SIMULATION

      NEXT


      4.CHECK MULTIPLEX COMMUNICATION SYSTEM*
      1. Check for the multiplex communication system DTCs.

        Result:
        Result
        Proceed to
        MPX DTC is not output
        A
        MPX DTC is output
        B


      B.
      PROCEED TO "MULTIPLEX COMMUNICATION SYSTEM"
      A


      5.CHECK CAN COMMUNICATION SYSTEM*
      1. Check for CAN DTCs.

        Result:
        Result
        Proceed to
        CAN DTC is not output
        A
        CAN DTC is output
        B


      B.
      PROCEED TO "CAN COMMUNICATION SYSTEM"
      A


      6.PROBLEM SYMPTOMS TABLE

        NEXT


        7.CIRCUIT INSPECTION

          NEXT


          8.TERMINALS OF ECU

            NEXT


            9.IDENTIFICATION OF PROBLEM

              NEXT


              10.REPAIR OR REPLACE

                NEXT


                11.CONFIRMATION TEST

                  NEXT

                  END