Glass Hatch Opener System Terminals Of Ecu

  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Glass Hatch Opener System -- Terminals Of Ecu



CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Glass Hatch Opener System Terminals Of Ecu

  1. Remove the main body ECU (multiplex network body ECU) (LandCruiser RM000003WBO05FX.html).

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

    HINT:
    Measure the values on the wire harness side with the connector disconnected.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A-30 (BECU) - Body ground
    		-
    		Auxiliary battery power supply
    		Ignition switch off
    		11 to 14 V
    A-31 (ALTB) - Body ground
    		-
    		Auxiliary battery power supply
    		Ignition switch off
    		11 to 14 V
    A-32 (IG) - Body ground
    		-
    		Ignition switch power supply
    		Ignition switch ON
    		11 to 14 V
    A-32 (IG) - Body ground
    		-
    		Ignition switch power supply
    		Ignition switch off
    		Below 1 V
    A-29 (ACC) - Body ground
    		-
    		ACC power supply
    		Ignition switch ACC
    		11 to 14 V
    A-29 (ACC) - Body ground
    		-
    		ACC power supply
    		Ignition switch off
    		Below 1 V
    A-11 (GND1) - Body ground
    		-
    		Ground
    		Always
    		Below 1 Ω
    G63-3 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.

  3. Install the main body ECU (multiplex network body ECU).

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G63-17 (GOSW) - Body ground
    		LG - Body ground
    		Glass hatch opener switch input
    		Glass hatch open
    		Below 1 V
    G63-17 (GOSW) - Body ground
    		LG - Body ground
    		Glass hatch opener switch input
    		Ignition switch off, all doors closed and glass hatch closed
    		Pulse generation (See waveform 1 or 2)
    2I-9 (GHRY) - Body ground*1
    		B - Body ground
    		Glass hatch opener relay output
    		Ignition switch ON, glass hatch opener switch off
    		Below 1 V
    2I-9 (GHRY) - Body ground*1
    		B - Body ground
    		Glass hatch opener relay output
    		Ignition switch ON, glass hatch opener switch on
    		11 to 14 V
    2H-9 (GHRY) - Body ground*2
    		B - Body ground
    		Glass hatch opener relay output
    		Ignition switch ON, glass hatch opener switch off
    		Below 1 V
    2H-9 (GHRY) - Body ground*2
    		B - Body ground
    		Glass hatch opener relay output
    		Ignition switch ON, glass hatch opener switch on
    		11 to 14 V
    1. *1: for LHD
    2. *2: for RHD
    If the result is not as specified, the main body ECU (multiplex network body ECU) or driver side junction block assembly may have a malfunction.


    5. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Glass Hatch Opener System Terminals Of Ecu

  5. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		G63-17 (GOSW) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Glass hatch closed


    6. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Window Glass.Power Window Control System.Glass Hatch Opener System Terminals Of Ecu

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		G63-17 (GOSW) - Body ground
    Tool Setting
    		5 V/DIV., 20 ms/DIV.
    Condition
    		Ignition switch off, all doors closed and glass hatch closed