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 MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

  1. CHECK STEERING LOCK ACTUATOR (STEERING LOCK ECU)

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. Disconnect the E18 switch connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E18-5 (GND) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E18 switch connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E18-8 (AGND) - Body ground
    		L - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E18-14 (VC5) - E18-8 (AGND)
    		P - L
    		Power supply
    		Key not in cabin
    		Below 1 V
    Engine switch pressed*
    		4.6 to 5.4 V
    E18-10 (CODE) - E18-8 (AGND)
    		G - L
    		Demodulated signal of key code output
    		Key not in cabin
    		Below 1 V
    Engine switch pressed and key held close to engine switch*
    		Pulse generation (see waveform 1)
    E18-9 (TXCT) - E18-8 (AGND)
    		SB - L
    		Key code input signal
    		Key not in cabin
    		Below 1 V
    Engine switch pressed and key held close to engine switch*
    		Pulse generation (see waveform 2)
    HINT:
    *: Remove the key battery before performing this inspection.
    1. If the result is not as specified, the switch may have a malfunction.


    5. 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. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E18-10 (CODE) - E18-8 (AGND)
    Tool Setting
    		2 V/DIV., 20 msec./DIV.
    Condition
    		Engine switch pressed and key held close to engine switch*
    HINT:
    *: Remove the key battery before performing this inspection.


    6. 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

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E18-9 (TXCT) - E18-8 (AGND)
    Tool Setting
    		2 V/DIV., 20 msec./DIV.
    Condition
    		Engine switch pressed and key held close to engine switch*
    HINT:
    *: Remove the key battery before performing this inspection.

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 E29 ECU connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E29 -17 (E) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E29-1 (+B) - E29-17 (E)
    		B - W-B
    		+B power supply
    		Always
    		11 to 14 V
    E29-18 (IG) - E29-17 (E)
    		B - W-B
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    Engine switch on
    		11 to 14 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E29 ECU connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E29-40 (AGND) - Body ground
    		L - Body ground
    		Engine switch ground
    		Always
    		Below 1 Ω
    E29-30 (VC5) - E29-40 (AGND)
    		P - L
    		Engine switch power supply
    		Key not in cabin
    		Below 1 V
    Engine switch pressed*
    		4.6 to 5.4 V
    E29-9 (CODE) - E29-40 (AGND)
    		G- L
    		Engine switch CODE input
    		Key not in cabin
    		Below 1 V
    Engine switch pressed and key held close to engine switch*
    		Pulse generation (see waveform 1)
    E29-8 (TXCT) - E29-40 (AGND)
    		SB - L
    		Engine switch TX output
    		Key not in cabin
    		Below 1 V
    Engine switch pressed and key held close to engine switch*
    		Pulse generation (see waveform 2)
    HINT:
    *: Remove the key battery before performing this inspection.
    1. If the result is not as specified, the ECU may have a malfunction.


    5. 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. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E29-9 (CODE) - E29-40 (AGND)
    Tool Setting
    		2 V/DIV., 20 msec./DIV.
    Condition
    		Engine switch pressed and key held close to engine switch*
    HINT:
    *: Remove the key battery before performing this inspection.


    6. 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

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E29-8 (TXCT) - E29-40 (AGND)
    Tool Setting
    		2 V/DIV., 20 msec./DIV.
    Condition
    		Engine switch pressed and key held close to engine switch*
    HINT:
    *: Remove the key battery before performing this inspection.

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 E28 box connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E28-8 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E28-1 (+B) - E28-8 (GND)
    		B - W-B
    		+B power supply
    		Always
    		11 to 14 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E28 box connector.

  4. Measure the voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E28-5 (EFII) - E28-8 (GND)
    		W - W-B
    		ECM input signal
    		Engine switch off
    		Below 1 V
    Engine switch on (IG)
    		Pulse generation (see waveform 1)
    E28-6 (EFIO) - E28-8 (GND)
    		R - W-B
    		ECM output signal
    		Engine switch off
    		Below 1 V
    Engine switch on (IG)
    		Pulse generation (see waveform 2)
    1. If the result is not as specified, the ID code box (immobiliser code ECU) may have a malfunction.


    5. 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. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E28-5 (EFII) - E28-8 (GND)
    Tool Setting
    		10 V/DIV., 100 msec./DIV.
    Condition
    		Engine switch on (IG)


    6. 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

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E28-6 (EFIO) - E28-8 (GND)
    Tool Setting
    		10 V/DIV., 100 msec./DIV.
    Condition
    		Engine switch on (IG)

CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

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 2D and 2A ECU connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2D-62 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    2D-8 (ACC) - 2D-62 (GND2)
    		GR - W-B
    		ACC power supply
    		Engine switch off
    		Below 1 V
    Engine switch on (ACC)
    		11 to 14 V
    2A-1 (IG) - 2D-62 (GND2)
    		B - W-B
    		IG power supply
    		Engine switch off
    		Below 1 V
    Engine switch on (IG)
    		11 to 14 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

CHECK STEERING LOCK ACTUATOR (STEERING LOCK 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 E26 ECU connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E26-2 (SGND) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E26-1 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E26-7 (B) - Body ground
    		R - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    E26-6 (IG2) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    Engine switch on (IG)
    		11 to 14 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.