Power Door Lock Control System (For Sedan) Terminals Of Ecu

Vehicle Interior. Yaris. Ncp93, 131
Door Lock. Yaris. Ncp93, 131

  1. CHECK MAIN BODY ECU

Power Door Lock Control System (For Sedan) -- Terminals Of Ecu



CHECK MAIN BODY ECU

Yaris. Ncp93, 131.Door Lock.Power Door Lock Control System (For Sedan).Power Door Lock Control System (For Sedan) Terminals Of Ecu


Yaris. Ncp93, 131.Door Lock.Power Door Lock Control System (For Sedan).Power Door Lock Control System (For Sedan) Terminals Of Ecu

  1. Disconnect the 4B and 4E main body ECU (vehicle rear side) connectors.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    BECU (4B-30) - GND1 (4E-17)
    		L - W-B
    		Battery (power supply)
    		Always
    		11 to 14 V
    GND1 (4E-17) - 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. Reconnect the main body ECU (vehicle rear side) connectors.

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

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    KSW (4D-7) - GND1 (4E-17)
    		Y - W-B
    		Key unlock warning switch input
    		Key inserted
    		0 V
    KSW (4D-7) - GND1 (4E-17)
    		Y - W-B
    		Key unlock warning switch input
    		No key in ignition key cylinder
    		11 to 14 V
    DCTY (4A-21) - Body ground
    		R - Body ground
    		Driver side door courtesy switch input
    		Driver side door closed
    		11 to 14 V
    DCTY (4A-21) - Body ground
    		R - Body ground
    		Driver side door courtesy switch input
    		Driver side door open
    		0 V
    PCTY (4A-24) - Body ground
    		L - Body ground
    		Passenger side door courtesy switch input
    		Passenger side door closed
    		11 to 14 V
    PCTY (4A-24) - Body ground
    		L - Body ground
    		Passenger side door courtesy switch input
    		Passenger side door open
    		0 V
    RRCY (4A-20) - Body ground
    		L - Body ground
    		Rear RH door courtesy switch input
    		Rear RH door closed
    		11 to 14 V
    RRCY (4A-20) - Body ground
    		L - Body ground
    		Rear RH door courtesy switch input
    		Rear RH door open
    		0 V
    RRCY (4A-5) - Body ground
    		G - Body ground
    		Rear LH door courtesy switch input
    		Rear LH door closed
    		11 to 14 V
    RRCY (4A-5) - Body ground
    		G - Body ground
    		Rear LH door courtesy switch input
    		Rear LH door open
    		0 V
    LGCY (4A-7) - Body ground
    		SB- Body ground
    		Luggage room courtesy switch input
    		Luggage room closed
    		11 to 14 V
    LGCY (4A-7) - Body ground
    		SB- Body ground
    		Luggage room courtesy switch input
    		Luggage room open
    		0 V
    L1 (4H-4) - Body ground
    		LG - Body ground
    		Door control switch lock input
    		Door control switch OFF
    		11 to 14 V
    L1 (4H-4) - Body ground
    		LG - Body ground
    		Door control switch lock input
    		Door control switch ON (LOCK)
    		0 V
    UL1 (4H-5) - Body ground
    		BE - Body ground
    		Door control switch unlock input
    		Door control switch OFF
    		11 to 14 V
    UL1 (4H-5) - Body ground
    		BE - Body ground
    		Door control switch unlock input
    		Door control switch ON (UNLOCK)
    		0 V
    ACTD (D33-2) - Body ground
    		SB - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACTD (D33-2) - Body ground
    		SB - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder ON (UNLOCK)
    		 11 to 14 V → 0 V
    ACT+ (4H-8) - Body ground
    		BE - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACT+ (4H-8) - Body ground
    		BE - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder ON (LOCK)
    		 11 to 14 V → 0 V
    ACT+ (4A-3) - Body ground
    		GR - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACT+ (4A-3) - Body ground
    		GR - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder ON (LOCK)
    		 11 to 14 V → 0 V
    ACT+ (4H-17) - Body ground
    		W - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACT+ (4H-17) - Body ground
    		W - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder ON (LOCK)
    		 11 to 14 V → 0 V
    ACT- (4H-18) - Body ground
    		P - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACT- (4H-18) - Body ground
    		P - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder ON (UNLOCK)
    		 11 to 14 V → 0 V
    ACT- (4A-4) - Body ground
    		P - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    ACT- (4A-4) - Body ground
    		P - Body ground
    		Door lock motor UNLOCK drive output
    		Door control switch or driver side door key cylinder ON (UNLOCK)
    		 11 to 14 V → 0 V
    LSWD (D33-21) - Body ground
    		L - Body ground
    		Driver side door lock position switch input
    		Driver side door UNLOCK
    		0 V
    LSWD (D33-21) - Body ground
    		L - Body ground
    		Driver side door lock position switch input
    		Driver side door LOCK
    		11 to 14 V
    LSWP (D33-5) - Body ground
    		L - Body ground
    		Passenger side door lock position switch input
    		Passenger side door UNLOCK
    		0 V
    LSWP (D33-5) - Body ground
    		L - Body ground
    		Passenger side door lock position switch input
    		Passenger side door LOCK
    		11 to 14 V
    LSR (D33-24) - Body ground
    		BE - Body ground
    		Rear LH or rear RH door lock position switch input
    		Rear LH or rear RH door UNLOCK
    		0 V
    LSR (D33-24) - Body ground
    		BE - Body ground
    		Rear LH or rear RH door lock position switch input
    		Rear LH or rear RH door LOCK
    		11 to 14 V
    UL3 (D33-14) - Body ground
    		Y - Body ground
    		Door lock motor UNLOCK drive output
    		Driver side door key cylinder OFF
    		11 to 14 V
    UL3 (D33-14) - Body ground
    		Y - Body ground
    		Door lock motor UNLOCK drive output
    		Driver side door key cylinder ON (UNLOCK)
    		0 V
    UL2 (4H-15) - Body ground
    		G - Body ground
    		Door lock motor UNLOCK drive output
    		Passenger side door key cylinder OFF
    		11 to 14 V
    UL2 (4H-15) - Body ground
    		G - Body ground
    		Door lock motor UNLOCK drive output
    		Passenger side door key cylinder ON (UNLOCK)
    		0 V
    L2 (4H-16) - Body ground
    		BE - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder OFF
    		0 V
    L2 (4H-16) - Body ground
    		BE - Body ground
    		Door lock motor LOCK drive output
    		Door control switch or driver side door key cylinder ON (LOCK)
    		11 to 14 V