Wireless Door Lock Control System (For Built-In Type Door Control Receiver) Terminals Of Ecu

  1. CHECK THEFT WARNING ECU

  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK (INTEGRATION RELAY)

Wireless Door Lock Control System (For Built-In Type Door Control Receiver) -- Terminals Of Ecu



CHECK THEFT WARNING ECU

Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Wireless Door Lock Control System (For Built-In Type Door Control Receiver).Wireless Door Lock Control System (For Built-In Type Door Control Receiver) Terminals Of Ecu

  1. Disconnect the T16 ECU connector.

  2. Measure the resistance and voltage of the wire harness side connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E (T16-1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    IG (T16-4) - E (T16-1)
    		R-L - B-W
    		Ignition power supply
    		Ignition switch OFF
    		Below 1 V
    Ignition switch ON
    		10 to 14 V
    +B1 (T16-3) - E (T16-1)
    		L-Y - B-W
    		+B (ECU-B) power source
    		Always
    		10 to 14 V
    +B2 (T16-12) - E (T16-1)
    		LG - B-W
    		+B (DOOR) power source
    		Always
    		10 to 14 V
    L2 (T16-20) - Body ground
    		L - Body ground
    		Door control switch (master switch) lock output
    		Door control switch (master switch) LOCK
    		10 kΩ or higher
    Door control switch (master switch) OFF
    		Below 1 Ω
    UL3 (T16-21) -Body ground
    		L-W - Body ground
    		Door control switch (master switch) unlock output
    		Door control switch UNLOCK
    		10 kΩ or higher
    Door control switch OFF
    		Below 1 Ω
    CTY (T16-7) - Body ground
    		R-L - Body ground
    		All door courtesy switches except driver side door
    		All doors are closed except driver side door
    		10 kΩ or higher
    One or more doors are open except driver side door
    		Below 1 Ω
    KSW (T16-5) - Body ground
    		G-Y - Body ground
    		Unlock warning switch
    		No key in ignition key cylinder
    		10 kΩ or higher
    Key inserted in ignition key cylinder
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the T16 ECU connector.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    HAZD (T16-23) - Body ground
    		G-O -Body ground
    		Hazard warning lights signal output
    		Hazard warning lights OFF
    		Below 1 V
    Hazard warning lights ON
    		Pulse generation
    SH- (T16-26) - Body ground
    		B - Body ground
    		Security horn signal output
    		Security horn OFF
    		Below 1 V
    Security horn ON
    		Pulse generation
    1. If the result is not as specified, the ECU may have a malfunction.

CHECK INSTRUMENT PANEL JUNCTION BLOCK (INTEGRATION RELAY)

Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Door Lock.Wireless Door Lock Control System (For Built-In Type Door Control Receiver).Wireless Door Lock Control System (For Built-In Type Door Control Receiver) Terminals Of Ecu

  1. Disconnect the 2A, 2D, 2L and 2O junction block connectors.

  2. Measure the voltage and resistance of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    GND (2D-9) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    BECU (2L-12) - GND (2D-9)
    		L - W-B
    		+B (ECU - B) power source
    		Always
    		10 to 14 V
    L1 (2A-4) - Body ground
    		L - Body ground
    		Door control switch (master switch) lock input
    		Door control switch (master switch) LOCK
    		10 kΩ or higher
    Door control switch (master switch) OFF
    		Below 1 Ω
    UL1 (2D-4) - Body ground
    		L-W - Body ground
    		Door control switch (master switch) unlock input
    		Door control switch (master switch) UNLOCK
    		10 kΩ or higher
    Door control switch (master switch) OFF
    		Below 1 Ω
    DCTY (2O-27) - Body ground
    		R-B - Body ground
    		Driver side door courtesy switch
    		Driver side door closed
    		10 kΩ or higher
    Driver side door open
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the 2A, 2D, 2L and 2O junction block connectors.

  4. Measure the voltage of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    ACT+ (2R-28) - Body ground
    		L - Body ground
    		Door lock motor LOCK drive output (driver side door)
    		Door control switch (master switch) or driver side door key cylinder OFF
    		Below 1 V
    Door control switch (master switch) or driver side door key cylinder LOCK
    		10 to 14 V
    ACT- (2R-27) - Body ground
    		L-Y - Body ground
    		Door lock motor UNLOCK drive output (driver side door)
    		Door control switch (master switch) or driver side door key cylinder OFF
    		Below 1 V
    Door control switch (master switch) or driver side door key cylinder UNLOCK
    		10 to 14 V
    1. If the result is not as specified, the junction block (relay) may have a malfunction.