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

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

  1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU

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



CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU

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


Text in Illustration
*A
Main Body ECU 1 Connector Type
-
-
*1
Instrument Panel Junction Block Assembly
*2
Main Body ECU

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


Text in Illustration
*A
Main Body ECU 2 Connector Type
-
-
*1
Instrument Panel Junction Block Assembly
*2
Main Body ECU

  1. Remove the main body ECU from the instrument panel junction block assembly.

  2. Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    MB-11 (GND1) - Body ground
    		None - Body ground
    		Ground
    		Always
    		Below 1 Ω
    MB-30 (BECU) - Body ground
    		None - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    MB-32 (IG) - Body ground
    		None - Body ground
    		Ignition switch power supply
    		Ignition switch ON
    		11 to 14 V
    Ignition switch off
    		Below 1 V
    MB-29 (ACC) - Body ground
    		None - Body ground
    		ACC power supply
    		Ignition switch ACC
    		11 to 14 V
    Ignition switch off
    		Below 1 V

  3. Install the main body ECU to the instrument panel junction block assembly.

  4. Measure the voltage and resistance, check for pulse according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    3D-36 (FLCY) - Body ground
    		L - Body ground
    		Front door LH courtesy light switch input
    		Front door LH open
    		Below 1 V
    Front door LH closed
    		Pulse generation
    D143-19 (FRCY) - Body ground
    		Y - Body ground
    		Front door RH courtesy light switch input
    		Front door RH open
    		Below 1 V
    Front door RH closed
    		Pulse generation
    D143-6 (LRCY) - Body ground*1
    		G - Body ground
    		Rear door courtesy light switch input
    		Rear door LH or RH open
    		Below 1 V
    Rear door LH and RH closed
    		Pulse generation
    D143-1 (BCTY) - Body ground*2
    		B - Body ground
    		Back door courtesy light switch input
    		Back door open
    		Below 1 V
    Back door closed
    		11 to 14 V
    3D-35 (BCTY) - Body ground*3
    		B - Body ground
    		Back door courtesy light switch input
    		Back door open
    		Below 1 V
    Back door closed
    		11 to 14 V
    D143-17 (KSW) - Body ground
    		Y - Body ground
    		Unlock warning switch input
    		No key in ignition key cylinder (off)
    		10 kΩ or higher
    Key inserted (on)
    		Below 1 Ω
    D143-11 (L2) - Body ground
    		B - Body ground
    		Driver door lock and unlock switch input
    		Driver door key cylinder in lock position
    		Below 1 V
    Driver door key cylinder in neutral position
    		Pulse generation
    D143-12 (UL2) - Body ground
    		G - Body ground
    		Front passenger door lock and unlock switch input
    		Front passenger door key cylinder in unlock position
    		Below 1 V
    Front passenger door key cylinder in neutral position
    		Pulse generation
    D143-24 (UL3) - Body ground
    		G - Body ground
    		Driver door lock and unlock switch input
    		Driver door key cylinder in unlock position
    		Below 1 V
    Driver door key cylinder in neutral position
    		Pulse generation
    3B-2 (ACT+) - Body ground
    		V - Body ground
    		Door lock motor lock drive output (for front RH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Lock side of door control switch pushed or front door key cylinder in lock position
    		11 to 14 V
    3B-1 (ACT+) - Body ground
    		Y - Body ground
    		Door lock motor lock drive output (for front LH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Lock side of door control switch pushed or front door key cylinder in lock position
    		11 to 14 V
    3D-12 (ACT+) - Body ground*1
    		L - Body ground
    		Door lock motor lock drive output (for rear RH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Lock side of door control switch pushed or front door key cylinder in lock position
    		11 to 14 V
    3D-11 (ACT+) - Body ground*1
    		GR - Body ground
    		Door lock motor lock drive output (for rear LH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Lock side of door control switch pushed or front door key cylinder in lock position
    		11 to 14 V
    3D-9 (TR+) - Body ground
    		Y - Body ground
    		Door lock motor lock drive output (for back door)
    		Back door closed
    		11 to 14 V
    Back door opener - switch pushed
    		Below 1 V
    3B-3 (ACT-) - Body ground
    		R - Body ground
    		Door lock motor unlock drive output (for front RH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Unlock side of door control switch pushed or front door key cylinder in unlock position
    		11 to 14 V
    3B-4 (ACTD) - Body ground
    		L - Body ground
    		Door lock motor unlock drive output (for front LH side)
    		Door control switch not pushed and door key cylinder in neutral position
    		Below 1 V
    Unlock side of door control switch pushed or front door key cylinder in unlock position
    		11 to 14 V
    3D-8 (ACT-) - Body ground*1
    		P - Body ground
    		Door lock motor unlock drive output (for rear RH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Unlock side of door control switch pushed or front door key cylinder in unlock position
    		11 to 14 V
    3D-7 (ACT-) - Body ground*1
    		LG - Body ground
    		Door lock motor unlock drive output (for rear LH side)
    		Door control switch not pushed and front door key cylinder in neutral position
    		Below 1 V
    Unlock side of door control switch pushed or front door key cylinder in unlock position
    		11 to 14 V
    D143-18 (LSFR) - Body ground
    		LG - Body ground
    		Front door RH unlock detection switch input
    		Front door RH unlocked
    		Below 1 V
    Front door RH locked
    		Pulse generation
    D143-7 (LSFL) - Body ground
    		L - Body ground
    		Front door LH unlock detection switch input
    		Front door LH unlocked
    		Below 1 V
    Front door LH locked
    		Pulse generation
    3D-25 (LSR) - Body ground*1*4
    		V - Body ground
    		Rear door RH unlock detection switch input
    		Rear door RH or LH unlocked
    		Below 1 V
    Rear door RH and LH locked
    		Pulse generation
    3D-24 (LSR) - Body ground*1*4
    		Y - Body ground
    		Rear door LH unlock detection switch input
    		Rear door LH or RH unlocked
    		Below 1 V
    Rear door LH and RH locked
    		Pulse generation
    1. *1: for 5 Door
    2. *2: w/o Daytime Running Light System and w/o Theft Deterrent System
    3. *3: w/ Daytime Running Light System or w/ Theft Deterrent System
    4. *4: w/ Theft Deterrent System