Power Door Lock Control System How To Proceed With Troubleshooting

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Door Lock. Lexus Gs430, Gs300. Uzs190 Grs190

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  4. CHECK FOR DTC*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. REPAIR OR REPLACE

  8. CONFIRMATION TEST

Power Door Lock Control System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the power door lock control system.
  2. * Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE
      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT


    3.INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

    1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

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



    		B.
    GO TO MULTIPLEX COMMUNICATION SYSTEM
    A


    4.CHECK FOR DTC*

    1. Check for DTC and note any codes that are output.

    2. Delete DTC.

    3. Recheck DTC.

      Result
      Result
      		Proceed to
      DTC does not reoccur
      		A
      DTC reoccurs
      		B



    		B.
    GO TO DIAGNOSTIC TROUBLE CODE CHART
    A


    5.PROBLEM SYMPTOMS TABLE

      Result
      Result
      		Proceed to
      Fault is not listed on problem symptoms table
      		A
      Fault is listed on problem symptoms table
      		B


    		B.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU (Click here)

    2. Data List/Active Test (Click here)

    3. On-vehicle Inspection (Click here)


    NEXT


    7.REPAIR OR REPLACE

      NEXT


      8.CONFIRMATION TEST

        NEXT

        END