LEXUS PARKING ASSIST-SENSOR SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the LEXUS parking assist-sensor system.

  • *: 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 t 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.

    Tech Tips

    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.

    Tech Tips

    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 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 Diagnostic Trouble Code Chart Click here.


    NEXT
    Go to step 11

  10. PROBLEM SYMPTOMS TABLE

    Refer to 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