Clearance Sonar System How To Proceed With Troubleshooting

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Park Assist Monitoring. Lexus Is250, Is220D. Gse20 Ale20

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CHECK AND CLEAR DTC*

  4. CHECK INITIAL CHECK FUNCTION

  5. SYMPTOM SIMULATION

  6. CHECK MULTIPLEX COMMUNICATION SYSTEM*

  7. CHECK CAN COMMUNICATION SYSTEM*

  8. DTC CHECK*

  9. DTC CHART

  10. PROBLEM SYMPTOMS TABLE

  11. CIRCUIT INSPECTION

  12. IDENTIFICATION OF PROBLEM

  13. REPAIR OR REPLACE

  14. CONFIRMATION TEST

Clearance Sonar System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the clearance sonar system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS
      Refer to how to proceed with troubleshooting (Click here).

    NEXT


    3.CHECK AND CLEAR DTC*
      Refer to the DTC check/clear (Click here).

    NEXT


    4.CHECK INITIAL CHECK FUNCTION
      Refer to operation check (Click here).
      Result:

      Result
      		Proceed to
      Symptom does not occur
      		A
      Symptom occurs
      		B


    		B.
    Go to step 6
    A


    5.SYMPTOM SIMULATION
      Refer to how to proceed with troubleshooting (Click here).

    NEXT


    6.CHECK MULTIPLEX COMMUNICATION SYSTEM*
      Refer to how to proceed with troubleshooting (Click here).
      HINT:
      This ECU is connected to the multiplex communication system. Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting.

    NEXT


    7.CHECK CAN COMMUNICATION SYSTEM*
      Refer to how to proceed with troubleshooting (Click here).
      HINT:
      This ECU is connected to the CAN communication system. Therefore, be sure to check that there are no problems in the CAN communication system before performing troubleshooting.

    NEXT


    8.DTC CHECK*
      *: Refer to the DTC check/clear (Click here).
      Result:

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


    		B.
    Go to step 10
    A


    9.DTC CHART
      Refer to the diagnostic trouble code chart (Click here).

    NEXT

    Go to step 11


    10.PROBLEM SYMPTOMS TABLE
      Refer to the problem symptoms table (Click here).

    NEXT


    11.CIRCUIT INSPECTION

      NEXT


      12.IDENTIFICATION OF PROBLEM

        NEXT


        13.REPAIR OR REPLACE

          NEXT


          14.CONFIRMATION TEST

            NEXT

            END