Terminals Of Ecu

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER WINDOW REGULATOR MASTER SWITCH

Fig 1: Identifying Terminals Of ECU (Power Window Regulator Master Switch)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

POWER WINDOW REGULATOR MASTER SWITCH

Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
GND (P12-2) - Body ground	W-B - Body ground	Always	Below 1 V
KL (P12-4) - KEYE (P12-3)	L-W - W-B	Door key lock and unlock switch is in LOCK position	Below 1 V
KL (P12-4) - KEYE (P12-3)	L-W - W-B	Door key lock and unlock switch is in OFF position	10 to 14 V
MPX1 (P12-7)	B	Multiplex communication circuit	-
CPUB (P12-9) - GND (P12-2)	L-W - W-B	Always	10 to 14 V
BDR (P12-10) - GND (P12-2)	L - W-B	Always	10 to 14 V
SGND (P12-13) - Body ground	BR-B - Body ground	Always	Below 1 V
KUL (P12-14) - KEYE (P12-13)	G-B - W-B	Door key lock and unlock switch is in OFF position	10 to 14 V
KUL (P12-14) - KEYE (P12-13)	G-B - W-B	Door key lock and unlock switch is in UNLOCK position	Below 1 V
LSWD (P12-16) - KEYE (P12-3)	L-B - W-B	Driver door lock position switch ON	10 to 14 V
LSWD (P12-16) - KEYE (P12-3)	L-B - W-B	Driver door lock position switch OFF	Below 1 V
SIG (P12-20) - GND (P12-2)	B-W - W-B	Ignition switch ON	10 to 14 V

CHECK BODY ECU

Fig 2: Identifying Terminals Of ECU (Body ECU)

BODY ECU

Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
GND1 (4) - Body ground	-	Always	Below 1 V
LSR (5) - GND1 (4)	-	Rear door RH / Rear door LH / Back door lock switch is unlock position	Below 1 V
LSR (5) - GND2 (16)	-	Rear door RH / Rear door LH / Back door lock switch is unlock position	Below 1 V
BECU (11) - GND1 (4)	-	Always	10 to 14 V
BECU (11) - GND2 (16)	-	Always	10 to 14 V
BDR1 (12) - GND1 (4)	-	Always	10 to 14 V
BDR1 (12) - GND2 (16)	-	Always	10 to 14 V
UL1 (15) - GND1 (4)	-	Driver door lock control switch is UNLOCK position	Below 1 V
UL1 (15) - GND2 (16)	-	Driver door lock control switch is UNLOCK position	Below 1 V
GND2 (16) - Body ground	-	Always	Below 1 V
L1 (19) - GND1 (4)	-	Driver door lock control switch is LOCK position	Below 1 V
L1 (19) - GND2 (16)	-	Driver door lock control switch is LOCK position	Below 1 V
L2 (20) - GND1 (4)	-	Driver door key lock and unlock switch is LOCK position	Below 1 V
L2 (20) - GND2 (16)	-	Driver door key lock and unlock switch is LOCK position	Below 1 V
ACT+ (23) - ACT- (24)	-	Door lock motor is operated	10 to 14 V
ACTD (B7-10) - GND1 (4)	L-B - Body ground	Door lock motor is operated	10 to 14 V
ACTD (B7-10) - GND2 (16)	L-B - Body ground	Door lock motor is operated	10 to 14 V
UL2 (B7-22) - GND1 (4)	G-B - Body ground	Door key lock and unlock switch is LOCK position	Below 1 V
UL2 (B7-22) - GND2 (16)	G-B - Body ground	Door key lock and unlock switch is LOCK position	Below 1 V
LSWP (B7-30) - GND1 (4)	L-O - Body ground	Passenger door lock switch is UNLOCK position	Below 1 V
LSWP (B7-30) - GND2 (16)	L-O - Body ground	Passenger door lock switch is UNLOCK position	Below 1 V
RLCY (B8-11) - GND1 (4)	R-L - Body ground	Rear door LH door courtesy switch is ON (Door is opened)	Below 1 V
RLCY (B8-11) - GND2 (16)	R-L - Body ground	Rear door LH door courtesy switch is ON (Door is opened)	Below 1 V
RRCY (B8-12) - GND1 (4)	R-G - Body ground	Rear door RH door courtesy switch is ON (Door is opened)	Below 1 V
RRCY (B8-12) - GND2 (16)	R-G - Body ground	Rear door RH door courtesy switch is ON (Door is opened)	Below 1 V
DCTY (B8-23) - GND1 (4)	R-Y - Body ground	Driver door courtesy switch is ON (Door is opened)	Below 1 V
DCTY (B8-23) - GND2 (16)	R-Y - Body ground	Driver door courtesy switch is ON (Door is opened)	Below 1 V
PCTY (B8-24) - GND1 (4)	R-B - Body ground	Passenger door courtesy switch is ON (Door is opened)	Below 1 V
PCTY (B8-24) - GND2 (16)	R-B - Body ground	Passenger door courtesy switch is ON (Door is opened)	Below 1 V