Engine Immobiliser System (W/ Entry And Start System) Terminals Of Ecu

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. CHECK ENGINE SWITCH

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  1. CHECK ID CODE BOX (IMMOBILISER CODE ECU)

  1. CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)

  1. CHECK ECM (FOR 3UR-FE)

  1. CHECK ECM (FOR 1UR-FE, 1GR-FE)

  1. CHECK ECM (FOR 1VD-FTV)

Engine Immobiliser System (W/ Entry And Start System) -- Terminals Of Ecu



CHECK ENGINE SWITCH
Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
  1. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E123-6 (AGND) - Body ground
    -
    LG - Body ground
    Transponder key amplifier ground
    Always
    Below 1 Ω
    -
    E123-7 (TXCT) - E123-6 (AGND)
    Input
    G - LG
    Immobiliser communication input
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    -
    E123-8 (CODE) - E123-6 (AGND)
    Output
    B - LG
    Immobiliser communication output
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    -
    E123-10 (VC5) - E123-6 (AGND)
    Input
    BE - LG
    Transponder key amplifier power supply
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    -
  2. Check for pulses according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E123-7 (TXCT) - E123-6 (AGND)
    Input
    G - LG
    Signal input from certification ECU (smart key ECU assembly)
    (Code sent from certification ECU [smart key ECU assembly] to transponder key amplifier built into engine switch, and then transmitted by transponder key amplifier antenna as radio waves)
    Engine switch off, key not in cabin, within 30 seconds after engine switch pressed
    Pulse generation
    (See waveform 1)
    1. BCC Malfunction
    2. Abnormal Status
    3. Different Encrypt Code
    4. Different Serial Number
    5. Frame Error
    6. Response
      HINT:
      If immobiliser key code certification communication is not performed correctly, the malfunction may be indicated by one or more of the Data List items listed above
    E123-8 (CODE) - E123-6 (AGND)
    Output
    B - LG
    Signal output to certification ECU (smart key ECU assembly)
    (Radio waves from transponder key amplifier built into engine switch used to detect key information. Key information then sent to certification ECU [smart key ECU assembly])
    Engine switch off, engine switch pressed with key held near engine switch*
    Pulse generation
    (See waveform 2)
    E123-10 (VC5) - E123-6 (AGND)
    Input
    BE - LG
    Transponder key amplifier power supply
    (Power supplied from certification ECU [smart key ECU assembly] when transponder key amplifier built into engine switch activated)
    Engine switch off, key not in cabin, within 30 seconds after engine switch pressed
    Pulse generation
    (See waveform 3)
    HINT:
    *: Remove the transmitter battery before performing this inspection.


  3. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E123-7 (TXCT) - E123-6 (AGND)
      Tool Setting
      2 V/DIV., 20 ms./DIV.
      Condition
      Engine switch off, key not in cabin, within 30 seconds after engine switch pressed


    2. Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E123-8 (CODE) - E123-6 (AGND)
      Tool Setting
      2 V/DIV., 20 ms./DIV.
      Condition
      Engine switch off, engine switch pressed with key held near engine switch*
      HINT:
      *: Remove the transmitter battery before performing this inspection.


    4. Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    5. Waveform 3 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E123-10 (VC5) - E123-6 (AGND)
      Tool Setting
      2 V/DIV., 200 ms./DIV.
      Condition
      Engine switch off, key not in cabin, within 30 seconds after engine switch pressed

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

  1. Disconnect the E130 certification ECU (smart key ECU assembly) connector.

  2. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E130-10 (+B) - E130-11 (E)
    Input
    P - BR
    +B power supply
    Engine switch of
    11 to 14 V
    -
    E130-11 (E) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
  3. Reconnect the E130 certification ECU (smart key ECU assembly) connector.

  4. Measure the voltage and resistance and check for pulses according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E130-14 (TXCT) - E130-12 (AGND)
    Output
    G - LG
    Signal output to transponder key amplifier
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    1. BCC Malfunction
    2. Abnormal Status
    3. Different Encrypt Code
    4. Different Serial Number
    5. Frame Error
    6. Response
    E130-13 (CODE) - E130-12 (AGND)
    Input
    B - LG
    Signal input from transponder key amplifier
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    E130-15 (VC5) - E130-12 (AGND)
    Output
    BE - LG
    Transponder key amplifier power supply
    Engine switch off, brake pedal not depressed, 30 seconds or more elapsed after driver door opened and then closed
    Below 1 V
    E130-12 (AGND) - Body ground
    -
    LG - Body ground
    Transponder key amplifier ground
    Always
    Below 1 Ω
    E130-19 (IND) - E130-11 (E)
    Output
    V - BR
    Security indicator output
    Engine switch off → on (IG)
    Pulse generation → Below 2 V
    -
  5. Check for pulses according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E130-14 (TXCT) - E130-12 (AGND)
    Output
    G - LG
    Signal output to transponder key amplifier
    (Code sent from certification ECU [smart key ECU assembly] to transponder key amplifier built into engine switch, and then transmitted by transponder key amplifier antenna as radio waves)
    Engine switch off, key not in cabin, within 30 seconds after engine switch pressed
    Pulse generation
    (See waveform 1)
    1. BCC Malfunction
    2. Abnormal Status
    3. Different Encrypt Code
    4. Different Serial Number
    5. Frame Error
    6. Response
    E130-13 (CODE) - E130-12 (AGND)
    Input
    B - LG
    Signal input from transponder key amplifier
    (Radio waves from transponder key amplifier built into engine switch used to detect key information. Key information then sent to certification ECU [smart key ECU assembly])
    Engine switch off, engine switch pressed with key held near engine switch*
    Pulse generation
    (See waveform 2)
    E130-15 (VC5) - E130-12 (AGND)
    Output
    BE - LG
    Transponder key amplifier power supply
    (Power supplied from certification ECU [smart key ECU assembly] when transponder key amplifier built into engine switch activated)
    Engine switch off, key not in cabin, within 30 seconds after engine switch pressed
    Pulse generation
    (See waveform 3)
    HINT:
    *: Remove the transmitter battery before performing this inspection.


  6. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E130-14 (TXCT) - E130-12 (AGND)
      Tool Setting
      2 V/DIV., 20 ms./DIV.
      Condition
      Engine switch off, key not in cabin, within 30 seconds after engine switch pressed


    2. Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    3. Waveform 2 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E130-13 (CODE) - E130-12 (AGND)
      Tool Setting
      2 V/DIV., 20 ms./DIV.
      Condition
      Engine switch off, engine switch pressed with key held near engine switch*
      HINT:
      *: Remove the transmitter battery before performing this inspection.


    4. Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    5. Waveform 3 (Reference)

      Measurement Condition
      Item
      Content
      Tester Connection
      E130-15 (VC5) - E130-12 (AGND)
      Tool Setting
      2 V/DIV., 200 ms./DIV.
      Condition
      Engine switch off, key not in cabin, within 30 seconds after engine switch pressed

CHECK ID CODE BOX (IMMOBILISER CODE ECU)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
  1. Disconnect the E124 ID code box (immobiliser code ECU) connector.

  2. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E124-1 (+B) - Body ground
    Input
    W - Body ground
    +B power supply
    Engine switch off
    11 to 14 V
    B2789
    E124-5 (GND) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    B2789
  3. Reconnect the E124 ID code box (immobiliser code ECU) connector.

  4. Measure the voltage and check for pulses according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E124-3 (EFII) - E124-5 (GND)
    Input
    W - BR
    EFI communication input
    (Signal input from ECM to ID code box [immobiliser code ECU])
    Engine switch off
    11 to 14 V
    1. B2799
    2. B279A
    3. EFI Code Receive
    4. Engine Start Request
    E124-4 (EFIO) - E124-5 (GND)
    Output
    P - BR
    EFI communication output (Signal output from ID code box [immobiliser code ECU] to ECM)
    Engine switch off
    11 to 14 V
    E124-3 (EFII) - E124-5 (GND)
    Input
    W - BR
    EFI communication input (Signal input from ECM to ID code box [immobiliser code ECU])
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    E124-4 (EFIO) - E124-5 (GND)
    Output
    P - BR
    EFI communication output (Signal output from ID code box [immobiliser code ECU] to ECM)
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)


  5. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



    1. Waveform 1 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      E124-3 (EFII) - E124-5 (GND)
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected


    2. Waveform 2 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      E124-4 (EFIO) - E124-5 (GND)
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected

CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)
Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
  1. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    E26-1 (GND) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    E26-3 (IGE) - E26-1 (GND)
    Input
    W - W-B
    Steering lock motor operation permission signal (motor operation permission signal supplied by certification ECU [smart key ECU assembly])
    Steering lock motor operates when both conditions met, and then door opened:
    1. Shift lever in P
    2. Electrical key transmitter sub-assembly carried, engine switch turned on (IG), steering unlocked, and then engine switch turned off
    Pulse generation
    (See waveform 1)
    1. Power Supply Short
    2. Unlock Request Receive
    3. Lock Request Receive
    E26-4 (SLP1) - E26-1 (GND)
    Output
    R - W-B
    Steering lock bar position signal (signal output from steering unlock sensor)
    Steering locked → unlocked*
    11 to 14 V → Below 1.5 V
    Sensor Value
    E26-6 (IG2) - E26-1 (GND)
    Input
    P - W-B
    IG signal (IG2 power supply input for steering lock motor)
    Engine switch off → on (IG)
    Below 1 V → 11 to 14 V
    B2788
    E26-7 (B) - Body ground
    Input
    G - Body ground
    Constant power supply
    Engine switch off
    11 to 14 V
    B2788
    HINT:
    *: The steering locks when any door is opened with the shift lever in P and the engine switch off. The steering unlocks when the engine switch is turned on (ACC).


  2. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu
    1. Waveform 1 (Reference)

      Text in Illustration
      *a
      Steering lock motor not operating
      *b
      Steering lock motor operating
      Measurement Condition
      Item
      Content
      Tester Connection
      E26-3 (IGE) - E26-1 (GND)
      Tool Setting
      2 V/DIV., 200 ms./DIV.
      Condition
      Steering lock motor operates when both conditions met, and then door opened:
      1. Shift lever in P
      2. Electrical key transmitter sub-assembly carried, engine switch turned on (IG), steering unlocked, and then engine switch turned off

CHECK ECM (FOR 3UR-FE)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

  1. Measure the voltage and resistance and check for pulses according to the value(s) in the table below.

    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    A38-3 (+B2) - C45-81 (E1)
    Input
    B - W-B
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-2 (+B) - C45-81 (E1)
    Input
    B - W-B
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-6 (MREL) - C45-81 (E1)
    Output
    V - W-B
    EFI-MAIN NO. 1 relay operation signal
    Engine switch on (IG)
    11 to 14 V
    -
    C45-41 (E01) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-81 (E1) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-43 (E02) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    A38-1 (BATT) - C45-81 (E1)
    Input
    L - W-B
    +B power supply
    Always
    11 to 14 V
    -
    A38-48 (IMO) - C45-81 (E1)
    Output
    W - W-B
    ID code box (immobiliser code ECU) communication output
    Engine switch off
    Below 1 V
    -
    A38-48 (IMO) - C45-81 (E1)
    Output
    W - W-B
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    -
    A38-46 (IMI) - C45-81 (E1)
    Input
    P - W-B
    ID code box (immobiliser code ECU) communication input
    Engine switch off
    Below 1 V
    -
    A38-46 (IMI) - C45-81 (E1)
    Input
    P - W-B
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)
    -


  2. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



    1. Waveform 1 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-48 (IMO) - C45-81 (E1)
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected


    2. Waveform 2 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-46 (IMI) - C45-81 (E1)
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected

CHECK ECM (FOR 1UR-FE, 1GR-FE)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

  1. Measure the voltage and resistance and check for pulses according to the value(s) in the table below.

    for LHD:
    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    A38-2 (+B2) - C45-81 (E1)
    Input
    B - W-B
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-3 (+B) - C45-81 (E1)
    Input
    B - W-B
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-34 (MREL) - C45-81 (E1)
    Output
    V - W-B
    EFI-MAIN NO. 1 relay operation signal
    Engine switch on (IG)
    11 to 14 V
    -
    C45-43 (E01) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-81 (E1) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-42 (E02) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    A38-1 (BATT) - C45-81 (E1)
    Input
    L - W-B
    +B power supply
    Always
    11 to 14 V
    -
    A38-29 (IMO) - C45-81 (E1)
    Output
    W - W-B
    ID code box (immobiliser code ECU) communication output
    Engine switch off
    Below 1 V
    -
    A38-29 (IMO) - C45-81 (E1)
    Output
    W - W-B
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    -
    A38-40 (IMI) - C45-81 (E1)
    Input
    P - W-B
    ID code box (immobiliser code ECU) communication input
    Engine switch off
    Below 1 V
    -
    A38-40 (IMI) - C45-81 (E1)
    Input
    P - W-B
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)
    -

    for RHD:
    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    A52-2 (+B2) - C46-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A52-3 (+B) - C46-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A52-34 (MREL) - C46-81 (E1)
    Output
    V - BR
    EFI-MAIN NO. 1 relay operation signal
    Engine switch on (IG)
    11 to 14 V
    -
    C46-43 (E01) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C46-81 (E1) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C46-42 (E02) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    A52-1 (BATT) - C46-81 (E1)
    Input
    L - BR
    +B power supply
    Always
    11 to 14 V
    -
    A52-29 (IMO) - C46-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication output
    Engine switch off
    Below 1 V
    -
    A52-29 (IMO) - C46-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    -
    A52-40 (IMI) - C46-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Engine switch off
    Below 1 V
    -
    A52-40 (IMI) - C46-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)
    -


  2. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



    1. Waveform 1 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-29 (IMO) - C45-81 (E1)*1
      A52-29 (IMO) - C46-81 (E1)*2
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
      1. *1: for LHD
      2. *2: for RHD


    2. Waveform 2 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-40 (IMI) - C45-81 (E1)*1
      A52-40 (IMI) - C46-81 (E1)*2
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
      1. *1: for LHD
      2. *2: for RHD

CHECK ECM (FOR 1VD-FTV)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu

  1. Measure the voltage and resistance and check for pulses according to the value(s) in the table below.

    for LHD:
    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    A38-1 (+B2) - C45-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-2 (+B) - C45-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A38-44 (MREL) - C45-81 (E1)
    Output
    V - BR
    EFI-MAIN NO. 1 relay operation signal
    Engine switch on (IG)
    11 to 14 V
    -
    C45-22 (E01) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-81 (E1) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C45-21 (E02) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    A38-20 (BATT) - C45-81 (E1)
    Input
    L - BR
    +B power supply
    Always
    11 to 14 V
    -
    A38-10 (IMO) - C45-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication output
    Engine switch off
    Below 1 V
    -
    A38-10 (IMO) - C45-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    -
    A38-11 (IMI) - C45-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Engine switch off
    Below 1 V
    -
    A38-11 (IMI) - C45-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)
    -

    for RHD:
    Terminal No. (Symbol)
    Input/Output
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    Related Data List Item/DTC
    A52-1 (+B2) - C46-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A52-2 (+B) - C46-81 (E1)
    Input
    B - BR
    Ignition power supply
    Engine switch on (IG)
    11 to 14 V
    -
    A52-44 (MREL) - C46-81 (E1)
    Output
    V - BR
    EFI-MAIN NO. 1 relay operation signal
    Engine switch on (IG)
    11 to 14 V
    -
    C46-22 (E01) - Body ground
    -
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C46-81 (E1) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    C46-21 (E02) - Body ground
    -
    BR - Body ground
    Ground
    Always
    Below 1 Ω
    -
    A52-20 (BATT) - C46-81 (E1)
    Input
    L - BR
    +B power supply
    Always
    11 to 14 V
    -
    A52-10 (IMO) - C46-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication output
    Engine switch off
    Below 1 V
    -
    A52-10 (IMO) - C46-81 (E1)
    Output
    W - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 1)
    -
    A52-11 (IMI) - C46-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Engine switch off
    Below 1 V
    -
    A52-11 (IMI) - C46-81 (E1)
    Input
    P - BR
    ID code box (immobiliser code ECU) communication input
    Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
    Pulse generation
    (See waveform 2)
    -


  2. Using an oscilloscope, check the waveform.

    NOTICE:
    The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.



    1. Waveform 1 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-10 (IMO) - C45-81 (E1)*1
      A52-10 (IMO) - C46-81 (E1)*2
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
      1. *1: for LHD
      2. *2: for RHD


    2. Waveform 2 (Reference)


      Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Engine Immobiliser System (W/ Entry And Start System)  Terminals Of Ecu


      Text in Illustration
      *a
      Approximately 160 ms
      *b
      Approximately 270 ms
      Measurement Condition
      Item
      Content
      Tester Connection
      A38-11 (IMI) - C45-81 (E1)*1
      A52-11 (IMI) - C46-81 (E1)*2
      Tool Setting
      2 V/DIV., 500 ms./DIV.
      Condition
      Within 3 seconds of engine start or within 3 seconds of engine switch turned on (IG) after battery cable disconnected and reconnected
      1. *1: for LHD
      2. *2: for RHD