Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Lock. 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 DOOR CONTROL RECEIVER

  1. CHECK POWER BACK DOOR UNIT (w/ Power Back Door System)

Wireless Door Lock Control System (W/ Entry And Start System) -- Terminals Of Ecu



CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  1. Disconnect the 2A, 2D and E3 ECU connectors.

  2. Measure the resistance and voltage according to 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
    E3-1 (GND3) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    2A-1 (ACC) - 2D-62 (GND2)
    		B - W-B
    		ACC power supply
    		Engine switch on (ACC)
    		11 to 14 V
    2A-1 (IG) - 2D-62 (GND2)
    		B - W-B
    		IG power supply
    		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.

  3. Reconnect the 2A, 2D and E3 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
    E1-24 (DCTY) - Body ground
    		L - Body ground*1
    Y - Body ground*2
    		Driver side door courtesy light switch input
    		Driver side door open
    		Below 1 Ω
    Driver side door closed
    		10 kΩ or higher
    E2-21 (PCTY) - Body ground
    		Y - Body ground*1
    L - Body ground*2
    		Passenger side door courtesy light switch input
    		Passenger side door open
    		Below 1 Ω
    Passenger side door closed
    		10 kΩ or higher
    2C-2 (LCTY) - Body ground
    		W - Body ground
    		Rear side door LH courtesy light switch input
    		Rear side door LH open
    		Below 1 Ω
    Rear side door LH closed
    		10 kΩ or higher
    E2-7 (RCTY) - Body ground
    		G - Body ground
    		Rear side door RH courtesy light switch input
    		Rear side door RH open
    		Below 1 Ω
    Rear side door RH closed
    		10 kΩ or higher
    E2-25 (BCTY) - Body ground
    		W - Body ground
    		Back door courtesy light switch input
    		Back door open
    		Below 1 Ω
    Back door closed
    		10 kΩ or higher
    E3-7 (HZSW) - Body ground*4
    		BE - Body ground
    		Turn signal light drive
    		Hazard warning signal switch on
    		Pulse generation
    Hazard warning signal switch off
    		Below 1 V
    E2-15 (DIM) - 2D-62 (GND2)*3
    		L - W-B
    		Headlight low drive
    		Headlight dimmer switch low
    		11 to 14 V
    2B-18 (HRLY) - 2D-62 (GND2)*3
    		L - W-B
    		Headlight (high) drive
    		Headlight dimmer switch high
    		11 to 14 V
    2A-1 (TRLY) - 2D-62 (GND2)*3
    		B - W-B
    		Taillight drive
    		Headlight dimmer switch tail
    		11 to 14 V
    1. *1: for LHD
    2. *2: for RHD
    3. *3: w/ Panic Switch
    4. *4: for GRJ200L-GNANKC, URJ202L-GNTEKC
    If the result is not as specified, the ECU may have a malfunction.


    5. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  5. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E1-24 (DCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and driver side door courtesy switch off


    6. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E1-24 (DCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and driver side door courtesy switch off


    7. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  7. Using an oscilloscope, check waveform 3.

    Waveform 3 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-21 (PCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and passenger side door courtesy switch off


    8. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  8. Using an oscilloscope, check waveform 4.

    Waveform 4 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-21 (PCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and passenger side door courtesy switch off


    9. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  9. Using an oscilloscope, check waveform 5.

    Waveform 5 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		2C-2 (LCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and rear LH side door courtesy switch off


    10. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  10. Using an oscilloscope, check waveform 6.

    Waveform 6 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		2C-2 (LCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and rear LH side door courtesy switch off


    11. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  11. Using an oscilloscope, check waveform 7.

    Waveform 7 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-7 (RCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and rear RH side door courtesy switch off


    12. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  12. Using an oscilloscope, check waveform 8.

    Waveform 8 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-7 (RCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and rear RH side door courtesy switch off


    13. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  13. Using an oscilloscope, check waveform 9.

    Waveform 9 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-25 (BCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and Back door closed


    14. Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  14. Using an oscilloscope, check waveform 10.

    Waveform 10 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		E2-25 (BCTY) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Engine switch off, and Back door closed

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  1. Disconnect the E29 and E30 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
    E29-17 (E) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E29-1 (+B) - E29-17 (E)
    		B - W-B
    		Battery power supply
    		Always
    		11 to 14 V
    E29-18 (IG) - E29-17 (E)
    		B - W-B
    		IG power supply
    		Engine switch on (IG)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E29 and E30 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
    E29-39 (RSSI) - E29-17 (E)
    		L - W-B
    		Door control receiver electric wave existence signal
    		Engine switch off, all doors closed and transmitter switch not pressed → pressed
    		11 to 14 V → Below 1 V
    E29-38 (RDA) - E29-17 (E)
    		LG - W-B
    		Door control receiver data input signal
    		Engine switch off, all doors closed and transmitter switch not pressed → pressed
    		Below 1 V → 11 to 14 V → Below 1 V
    E29-29 (RCO) - E29-17 (E)
    		B - W-B
    		Door control receiver power source
    		Engine switch off, all doors closed and transmitter switch not pressed → pressed
    		Below 1 V → 4.6 to 5.4 V → Below 1 V
    E29-21 (BZR) - Body ground*
    		LG - Body ground
    		Wireless door lock buzzer output
    		Wireless door lock buzzer ON
    		11 to 14 V
    E29-21 (BZR) - Body ground*
    		LG - Body ground
    		Wireless door lock buzzer output
    		Wireless door lock buzzer OFF
    		Below 1 V
    HINT:
    *: Except Europe and China
    1. If the result is not as specified, the ECU may have a malfunction.

CHECK DOOR CONTROL RECEIVER

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  1. Disconnect the L21 receiver 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
    L21-1 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    L21-4 (+5) - Body ground
    		B - Body ground
    		Battery power supply
    		Always
    		4.6 to 5.4 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

CHECK POWER BACK DOOR UNIT (w/ Power Back Door System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/ Entry And Start System) Terminals Of Ecu

  1. Disconnect the L52 unit 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
    L52-11 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    L52-10 (ECUB) - Body ground
    		R - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the L52 unit connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    L52-26 (BZR+) - Body ground
    		L - Body ground
    		Power back door warning buzzer signal
    		Back door warning buzzer is sounding
    		11 to 14 V
    Pulse generation
    L52-26 (BZR+) - Body ground
    		L - Body ground
    		Power back door warning buzzer signal
    		Back door warning buzzer is stopped
    		Below 1 V
    If the result is not as specified, the ECU may have a malfunction.