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

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

  4. CHECK FOR DTC*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. ADJUST, REPAIR OR REPLACE

  8. CONFIRMATION TEST

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


HINT:
  1. Use these procedures to troubleshoot the engine immobiliser system.
  1. *: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


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

    NEXT


    3.CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

    1. Use the GTS to check if the LIN communication system is functioning normally.

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



    		B.
    Go to LIN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BWX.html)
    A


    4.CHECK FOR DTC*

    1. Check for DTCs and make a note of any codes that are output (LandCruiser RM000000QYC07LX.html).

    2. Clear the DTCs (LandCruiser RM000000QYC07LX.html).

    3. Recheck for DTCs (LandCruiser RM000000QYC07LX.html). Based on the DTCs output above, try to cause the output of the same ECD system*1, SFI system*2, steering lock system or engine immobiliser system DTC by reproducing the symptoms indicated by the DTC.

      1. *1: for Diesel
      2. *2: for Gasoline
      Result
      Result
      		Proceed to
      DTC is not output
      		A
      SFI system DTC is output (for 2TR-FE)
      		B
      SFI system DTC is output (for 1GR-FE)
      		C
      ECD system is output (for 1KD-FTV)
      		D
      ECD system is output (for 1GD-FTV (w/ Urea SCR System))
      		E
      ECD system is output (for 1GD-FTV)
      		F
      Steering lock system DTC is output
      		G
      Engine immobiliser system DTC is output
      		H


    		B.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM000000VNN00FX.html)

    		C.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM000002ZSO015X.html)

    		D.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM0000031HW07LX.html)

    		E.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM0000031HW07OX.html)

    		F.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM0000031HW07PX.html)

    		G.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM00000287G06GX.html)

    		H.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM000002M6W06FX.html)
    A


    5.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (LandCruiser RM000002M6W06FX.html).

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



    		B.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test (LandCruiser RM000002M6V05HX.html).

    2. Terminals of ECU (LandCruiser RM000000QY70CZX.html).


    NEXT


    7.ADJUST, REPAIR OR REPLACE

      NEXT


      8.CONFIRMATION TEST

        NEXT

        END