Engine Immobiliser System (W/O Entry And Start System) How To Proceed With Troubleshooting

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. CRANK ENGINE FOR MORE THAN 10 SECONDS

  5. CHECK FOR DTC* (ECM)

  6. CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY)

  7. PROBLEM SYMPTOMS TABLE

  8. OVERALL ANALYSIS AND TROUBLESHOOTING*

  9. REPAIR OR REPLACE

  10. CHECK FOR DTC*

Engine Immobiliser System (W/O Entry And Start System) -- How To Proceed With Troubleshooting


HINT:
  1. Use this procedure to troubleshoot the immobiliser system.
  2. *: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS
      HINT:
      1. In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
      2. Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
      3. The following 5 items are important points for problem analysis:

      What
      		Vehicle model, system name
      When
      		Date, time, occurrence frequency
      Where
      		Whether the problem occurs at a specific location.
      Under what conditions?
      		Whether the doors were locked or unlocked, whether the ignition switch was ON, whether the engine was running.
      How did it happen?
      		Problem symptoms

    NEXT


    3.INSPECT BATTERY VOLTAGE

    1. Measure the battery voltage.

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    NEXT


    4.CRANK ENGINE FOR MORE THAN 10 SECONDS

      NEXT


      5.CHECK FOR DTC* (ECM)

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

        HINT:
        Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
        Result
        Result
        		Proceed to
        DTCs are not output
        		A
        SFI system DTCs are output (for 1GR-FE)
        		B
        ECD system DTCs are output (for 1VD-FTV)
        		C
        Immobiliser system DTCs are output
        		D


      		B.
      GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)

      		C.
      GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)

      		D.
      GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)
      A


      6.CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY)

      1. Check for DTCs and note any codes that are output (Click here).

        HINT:
        Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
        Result
        Result
        		Proceed to
        DTCs are not output
        		A
        Immobiliser system DTCs are output
        		B


      		B.
      GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)
      A


      7.PROBLEM SYMPTOMS TABLE

      1. Refer to Problem Symptoms Table (Click here).

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



      		B.
      ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      A


      8.OVERALL ANALYSIS AND TROUBLESHOOTING*

      1. Data List / Active Test (Click here).

      2. Terminals of ECU (Click here).


      NEXT


      9.REPAIR OR REPLACE
        HINT:
        If the transponder key ECU assembly, ECM, or key are replaced, refer to the Service Bulletin.

      NEXT


      10.CHECK FOR DTC*

      1. Clear the DTCs (Click here).

      2. Check for DTCs (Click here).

        HINT:
        Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
        Result
        Result
        		Proceed to
        DTCs are not output
        		A
        Immobiliser system DTCs are output
        		B


      		B.
      GO TO DIAGNOSTIC TROUBLE CODE CHART (Click here)
      A

      END