Entry And Start System (For Start Function) Terminals Of Ecu

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

  1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  1. CHECK ECM

  1. CHECK STEERING LOCK ECU

Entry And Start System (For Start Function) -- Terminals Of Ecu



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).Entry And Start System (For Start Function) Terminals Of Ecu

  1. Disconnect the E1, E2 and 2D main body ECU connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E1-6 (AM1) - Body ground
    		W - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    E2-1 (AM2) - Body ground
    		W - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    E1-17 (SSW1) - Body ground
    		B - Body ground
    		Engine switch 1 input
    		Engine switch pushed
    		Below 1 Ω
    E1-17 (SSW1) - Body ground
    		B - Body ground
    		Engine switch 1 input
    		Engine switch not pushed
    		10 kΩ or higher
    E1-16 (SSW2) - Body ground
    		B - Body ground
    		Engine switch 2 input
    		Engine switch pushed
    		Below 1 Ω
    E1-16 (SSW2) - Body ground
    		B - Body ground
    		Engine switch 2 input
    		Engine switch not pushed
    		10 kΩ or higher
    2D-62 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    2D-20 (LIN1) - Body ground
    		GR - Body ground
    		LIN line
    		Always
    		10 kΩ or higher
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E1, E2 and 2D main body ECU connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E1-22 (ACCD) - 2D-62 (GND2)
    		P - W-B
    		ACC relay drive signal
    		Engine switch on (ACC)
    		11 to 14 V
    E1-22 (ACCD) - 2D-62 (GND2)
    		P - W-B
    		ACC relay drive signal
    		Engine switch off
    		Below 1 V
    E1-3 (IG1D) - 2D-62 (GND2)
    		G - W-B
    		IG1 No. 3 relay drive signal
    		Engine switch on (IG)
    		11 to 14 V
    E1-3 (IG1D) - 2D-62 (GND2)
    		G - W-B
    		IG1 No. 3 relay drive signal
    		Engine switch on (ACC)
    		Below 1 V
    E2-11 (IG2D) - 2D-62 (GND2)
    		B - W-B
    		Integration relay (IG2 relay) drive signal
    		Engine switch on (IG)
    		11 to 14 V
    E2-11 (IG2D) - 2D-62 (GND2)
    		B - W-B
    		Integration relay (IG2 relay) drive signal
    		Engine switch on (ACC)
    		Below 1 V
    E1-19 (SLR+) - 2D-62 (GND2)
    		G - W-B
    		Steering lock power supply
    		Steering lock motor operating
    		Below 1 V
    E1-19 (SLR+) - 2D-62 (GND2)
    		G - W-B
    		Steering lock power supply
    		Steering lock motor not operating
    		11 to 14 V
    E1-8 (STR) - 2D-62 (GND2)
    		L - W-B
    		Park/neutral position switch signal*1
    Clutch pedal switch signal*2
    		Engine switch on (IG), shift lever not in P or N → P or N*1
    Engine switch on (IG), Clutch pedal switch released → Depressed*2
    		Below 2 V → Pulse generation*3
    E1-18 (SLP) - 2D-62 (GND2)
    		SB - W-B
    		Steering lock actuator position signal
    		Steering lock locked
    		11 to 14 V
    E1-18 (SLP) - 2D-62 (GND2)
    		SB - W-B
    		Steering lock actuator position signal
    		Steering lock released
    		Below 1 V
    E3-9 (SPD) - 2D-62 (GND2)
    		V - W-B
    		Speed signal from combination meter
    		Engine switch on (IG), driving wheel rotating slowly
    		Pulse generation
    (see waveform 1)
    E3-8 (TACH) - 2D-62 (GND2)
    		W - W-B
    		Tachometer signal
    		Engine running
    		Pulse generation
    (see waveform 2)
    E4-2 (P) - 2D-62 (GND2)*1
    		L - W-B
    		Shift lock signal
    		Shift lever in P
    		Pulse generation
    (see waveform 3)
    E4-2 (P) - 2D-62 (GND2)*1
    		L - W-B
    		Shift lock signal
    		Shift lever not in P
    		Below 1 V
    E4-4 (STSW) - 2D-62 (GND2)
    		R - W-B
    		Starter activation request signal
    		Brake pedal depressed, engine switch depressed*1
    Clutch pedal depressed, engine switch depressed*2
    		11 to 14 V
    E1-15 (INDS) - 2D-62 (GND2)
    		W - W-B
    		Vehicle condition signal
    		Brake pedal released with shift lever in P or N, engine switch off, on (ACC), or on (IG)*1
    Clutch pedal released, engine switch off, on (ACC), or on (IG)*2
    		9 to 14 V
    E1-14 (INDW) - 2D-62 (GND2)
    		W - W-B
    		Vehicle condition signal
    		Brake pedal released with shift lever in P or N, engine switch off, on (ACC), or on (IG)*1
    Clutch pedal released, engine switch off, on (ACC), or on (IG)*2
    		9 to 14 V
    E1-25 (SWIL) - 2D-62 (GND2)
    		R - W-B
    		Illumination signal
    		Light control switch tail or head
    		11 to 14 V
    2B-22 (STP) - 2D-62 (GND2)
    		R - W-B
    		Stop light switch signal
    		Brake pedal depressed
    		11 to 14 V
    2B-22 (STP) - 2D-62 (GND2)
    		R - W-B
    		Stop light switch signal
    		Brake pedal released
    		Below 1 V
    HINT:
    *1: for A/T
    *2: for M/T
    *3: Remove the ST CUT relay before measuring the voltage.
    If the result is not as specified, the ECU may have a malfunction.


  5. Using an oscilloscope, check the signal waveform of the ECU.



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

    1. Waveform 1

      Reference
      Terminal No. (Symbol)
      		Tool Setting
      		Condition
      E3-9 (SPD) - 2D-62 (GND2)
      		5 V/DIV., 100 msec./DIV.
      		Driving at approx. 20 km/h (12 mph)
      HINT:
      As the vehicle speed increases, the wavelength shortens.


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

    2. Waveform 2

      Reference
      Terminal No. (Symbol)
      		Tool Setting
      		Condition
      E3-8 (TACH) - 2D-62 (GND2)
      		10 V/DIV., 10 msec./DIV.
      		Engine switch on (IG) or engine started


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

    3. Waveform 3

      Reference
      Terminal No. (Symbol)
      		Tool Setting
      		Condition
      E4-2 (P) - 2D-62 (GND2)
      		2 V/DIV., 20 msec./DIV.
      		Shift lever in P

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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

  1. Disconnect the E29 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)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E29-1 (+B) - Body ground
    		B - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    E29-10 (LIN) - Body ground
    		GR - Body ground
    		LIN line
    		Always
    		10 kΩ or higher
    E29-17 (E) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E29 certification ECU (smart key ECU assembly) connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E29-18 (IG) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		11 to 14 V
    E29-18 (IG) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    If the result is not as specified, the certification ECU (smart key ECU assembly) may have a malfunction.

CHECK ECM


  1. for LHD:
    Disconnect the A38 and C45 ECM connectors.


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

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A38-1 (BATT) - C45-81 (E1)*1, *2, *3
    A38-20 (BATT) - C45-81 (E1)*4, *5
    		L - BR*1, *2, *4, *5
    L - W-B*3
    		Battery (for measuring battery voltage and for ECM memory)
    		Always
    		11 to 14 V
    A38-3 (+B) - C45-81 (E1)*1, *2, *3
    A38-2 (+B) - C45-81 (E1)*4, *5
    		B - BR*1, *2, *4, *5
    B - W-B*3
    		Power source of ECM
    		Engine switch on (IG)
    		11 to 14 V
    A38-28 (IGSW) - C45-81 (E1)
    		B - BR*1, *2, *4, *5
    B - W-B*3
    		Engine switch signal
    		Always
    		11 to 14 V
    C45-81 (E1) - Body ground
    		BR - Body ground*1, *2, *4, *5
    W-B - Body ground*3
    		Ground
    		Always
    		Below 1 Ω
    C45-43 (E01) - Body ground*1, *2, *3
    C45-22 (E01) - Body ground*4, *5
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C45-42 (E02) - Body ground*1, *2, *3
    C45-21 (E02) - Body ground*4, *5
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C45-46 (E03) - Body ground*1, *2, *3
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C45-23 (E04) - Body ground*1, *2, *3
    C45-44 (E04) - Body ground*5
    		W-B - Body ground*1, *2, *3
    BR - Body ground*5
    		Ground
    		Always
    		Below 1 Ω
    C45-21 (E05) - Body ground*1, *2, *3
    C45-23 (E05) - Body ground*5
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    HINT:
    *1: for 1UR-FE
    *2: for 1GR-FE
    *3: for 3UR-FE
    *4: for 1VD-FTV w/o DPF
    *5: for 1VD-FTV w/DPF
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the ECM connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A38-46 (STA) - C45-81 (E1)*1, *2, *3, *6
    A38-48 (STA) - C45-81 (E1)*4, *5
    		R - BR*1, *2, *4, *5
    R - W-B*3
    R-B - BR*6
    		ST relay operation signal
    		Cranking
    		5.5 V or more
    A38-14 (STSW) - C45-81 (E1)*1, *2, *3, *4, *6
    A38-47 (STSW) - C45-81 (E1)*5
    		R - BR*1, *2, *4, *5, *6
    R - W-B*3
    		Starter activation request signal
    		Brake pedal depressed, engine switch on (IG)
    		Output voltage at terminal AM1 or AM2 is -2 V or more
    A38-41 (ACCR) - C45-81 (E1)*1, *2, *3, *6
    A38-13 (ACCR) - C45-81 (E1)*4
    A38-22 (ACCR) - C45-81 (E1)*5
    		L-Y - BR*1, *2, *4, *5, *6
    L-Y - W-B*3
    		ACC relay cut signal
    (output)
    		Engine switch on (IG) → Cranking
    		11 to 14 V → Below 1 V
    A38-15 (TACH) - C45-81 (E1)
    		W - BR*1, *2, *4, *5
    W - W-B*3
    W-G - BR*6
    		Engine speed signal
    (output)
    		Idling
    		Pulse generation
    (see waveform 1)
    C45-16 (STAR) - C45-81 (E1)*1, *2, *3, *6
    C45-51 (STAR) - C45-81 (E1)*4
    C45-52 (STAR) - C45-81 (E1)*5
    		L - BR*1, *2, *4, *5, *6
    L - W-B*3
    		ST relay drive signal
    		Cranking
    		11 to 14 V
    HINT:
    *1: for 1UR-FE (except URJ202L-GNTEKC)
    *2: for 1GR-FE (except GRJ200L-GNANKC)
    *3: for 3UR-FE
    *4: for 1VD-FTV w/o DPF
    *5: for 1VD-FTV w/ DPF
    *6: for GRJ200L-GNANKC, URJ202L-GNTEKC
    If the result is not as specified, the ECM may have a malfunction.


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

  5. Using an oscilloscope, check the signal waveform of the ECM.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    A38-15 (TACH) - C45-81 (E1)
    		5 V/DIV., 10 ms./DIV.
    		Engine idling
    HINT:
    As the engine speed increases, the wavelength shortens.


  6. for RHD:
    Disconnect the A52 and C46 ECM connectors.


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

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A52-1 (BATT) - C46-81 (E1)*1. *2
    A52-20 (BATT) - C46-81 (E1)*3, *4
    		L - BR
    		Battery (for measuring battery voltage and for ECM memory)
    		Always
    		11 to 14 V
    A52-3 (+B) - C46-81 (E1)*1, *2
    A52-2 (+B) - C46-81 (E1)*3, *4
    		B - BR
    		Power source of ECM
    		Engine switch on (IG)
    		11 to 14 V
    A52-28 (IGSW) - C46-81 (E1)
    		B - BR
    		Engine switch signal
    		Always
    		11 to 14 V
    C46-81 (E1) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C46-43 (E01) - Body ground*1, *2
    C46-22 (E01) - Body ground*3, *4
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C46-42 (E02) - Body ground*1, *2
    C46-21 (E02) - Body ground*3, *4
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C46-46 (E03) - Body ground*1, *2
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    C46-23 (E04) - Body ground*1, *2
    C46-44 (E04) - Body ground*4
    		W-B - Body ground*1, *2
    BR - Body ground*4
    		Ground
    		Always
    		Below 1 Ω
    C46-21 (E05) - Body ground*1, *2
    C46-23 (E05) - Body ground*4
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    HINT:
    *1: for 1UR-FE
    *2: for 1GR-FE
    *3: for 1VD-FTV w/o DPF
    *4: for 1VD-FTV w/ DPF
    If the result is not as specified, there may be a malfunction on the wire harness side.

  8. Reconnect the ECM connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A52-46 (STA) - C46-81 (E1)*1, *2, *5
    A52-48 (STA) - C46-81 (E1)*3, *4
    		R - BR*1, *2, *3, *4
    R-B - BR*5
    		ST relay operation signal
    		Cranking
    		5.5 V or more
    A52-14 (STSW) - C46-81 (E1)*1, *2, *3, *5
    A52-47 (STSW) - C46-81 (E1)*4
    		R - BR
    		Starter activation request signal
    		Brake pedal depressed, engine switch on (IG)
    		Output voltage at terminal AM1 or AM2 is -2 V or more
    A52-41 (ACCR) - C46-81 (E1)*1, *2, *5
    A52-13 (ACCR) - C46-81 (E1)*3
    A52-22 (ACCR) - C46-81 (E1)*4
    		L-Y - BR
    		ACC relay cut signal
    (output)
    		Engine switch on (IG) → Cranking
    		11 to 14 V → Below 1 V
    A52-15 (TACH) - C46-81 (E1)
    		W - BR*1, *2, *3, *4
    W-G - BR*5
    		Engine speed signal
    (output)
    		Idling
    		Pulse generation
    (see waveform 1)
    C46-16 (STAR) - C46-81 (E1)*1, *2, *5
    C46-51 (STAR) - C46-81 (E1)*3
    C46-52 (STAR) - C46-81 (E1)*4
    		L - BR
    		ST relay drive signal
    		Cranking
    		11 to 14 V
    HINT:
    *1: for 1UR-FE (except URJ202L-GNTEKC)
    *2: for 1GR-FE (except GRJ200L-GNANKC)
    *3: for 1VD-FTV w/o DPF
    *4: for 1VD-FTV w/ DPF
    *5: for GRJ200L-GNANKC, URJ202L-GNTEKC
    If the result is not as specified, the ECM may have a malfunction.


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

  10. Using an oscilloscope, check the signal waveform of the ECM.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    A52-15 (TACH) - C46-81 (E1)
    		5 V/DIV., 10 ms./DIV.
    		Engine idling
    HINT:
    As the engine speed increases, the wavelength shortens.

CHECK STEERING LOCK ECU

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

  1. Disconnect the E26 steering lock ECU connector.

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

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

  3. Reconnect the E26 steering lock ECU connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E26-4 (SLP1) - E26-1 (GND)
    		SB - W-B
    		Steering lock actuator position signal
    		Steering locked
    		11 to 14 V
    E26-4 (SLP1) - E26-1 (GND)
    		SB - W-B
    		Steering lock actuator position signal
    		Steering released
    		Below 1 V
    If the result is not as specified, the ECU may have a malfunction.