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Terminals Of Ecu

Fig 1: Identifying Terminals Of ECU
G02910984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
BODY CONTROL SYSTEMS ECU CONNECTOR TERMINALS SPECIFIED CONDITION

Symbols (Terminals No.) Wiring Color Condition Spesifeid Condition
GND1 <--> Body ground (4 <--> Body ground) - <--> Body ground Constant Below 1 V
LSR <--> GND1, 2 (5<-->4, 16) - RR / RL / Back door lock switch is unlock position Below 1 V
SIG <--> GND1, 2 (10<-->4, 16) - Ignition switch is ON 10 - 14 V
BECU <--> GND1, 2 (11<-->4, 16) - Constant 10 - 14 V
BDR1 <--> GND1, 2 (12<-->4, 16) - Constant 10 - 14 V
ILE <--> GND1, 2 (13<-->4, 16) - Key cylinder illumination is ON Below 1 V
SPD <--> GND1, 2 (14<-->4, 16) -   Below 1 V
UL1 <--> GND1, 2 (15<-->4, 16) - Driver door lock control switch is UNLOCK position Below 1 V
GND2 <--> Body ground (16 <--> Body ground) - Constant Below 1 V
HRLY <--> GND1, 2 (17<-->4, 16) - Ignition switch is ON 10 - 14 V
TRLY <--> GND1, 2 (18<-->4, 16) - Ignition switch is ON 10 - 14 V
L1 <--> GND1, 2 (19<-->4, 16) - Driver door lock control switch is LOCK position Below 1 V
L2 <--> GND1, 2 (20<-->4, 16) - Driver door key lock and unlock switch is LOCK position Below 1 V
PWS <--> GND1, 2 (21 <-->4, 16) - Constant 10 - 14 V
ACC <--> GND1,2 (22<-->4, 16) - Ignition switch is ACC 10 - 14 V
ACT+ <--> ACT- (23 <--> 24) - Door lock motor is operated 10 - 14 V
LMRY <--> GND1, 2 (B7-3 <--> 4, 16) R-W <--> - Ignition switch is ON 10 - 14 V
DRL <--> GND1, 2 (B7-7 <--> 4, 16) R-Y <--> - Ignition switch is ON 10 - 14 V
ACTD <--> GND1, 2 (B7-10 <--> 4, 16) L-B <--> - Driver door lock motor is operated 10 - 14 V
MPX4 (B7-11) W <--> - Multiplex communication circuit -
DBKL <--> GND1, 2 (B7-13 <--> 4, 16) G <--> - Driver seat buckle switch is ON (Seat belt is fastend) Below 1 V
L <--> GND1, 2 (B7-14 <--> 4, 16) B <--> - Engine is running 6.0 - 14 V
L <--> GND1, 2 (B7-14 <--> 4, 16) B <--> - Engine is stopped Below 2 V
UL2 <--> GND1, 2 (B7-22 <--> 4, 16) G-B <--> - Door key lock and unlock switch is LOCK position Below 1 V
MPX1 (B7-24) B <--> - Multiplex communication circuit -
PCYL <--> GND1, 2 (B7-25 <--> 4, 16) G-B <--> - Ignition switch is ON 10 - 14 V
DCYL <--> GND1, 2 (B7-26 <--> 4, 16) G-W <--> - Ignition switch is ON 10 - 14 V
LSWP <--> GND1, 2 (B7-30 <--> 4, 16) L-O <--> - Passenger door lock switch is UNLOCK position Below 1 V
PKB <--> GND1, 2 (B8-2 <--> 4, 16) R-W <--> - Parking brake switch is ON Below 1 V
PRG <--> GND1, 2 (B8-3 <--> 4, 16) V <--> - Communication circuit (Wireless door lock receiver) -
RDA <--> GND1, 2 (B8-4 <--> 4, 16) L <--> - Communication circuit (Wireless door lock receiver) -
LP <--> GND1, 2 (B8-6 <-->4, 16) G-Y <--> - Rear room light position is DOOR 10 - 14 V
BCTY <--> GND1, 2 (B8-7 <--> 4, 16) R-L <--> - Back door courtesy switch is ON (Door is opened) Below 1 V
RLCY <--> GND1, 2 (B8-11 <--> 4, 16) R-L <--> - RL door courtesy switch is ON (Door is opened) Below 1 V
RRCY <--> GND1, 2 (B8-12 <--> 4, 16) R-G <--> - RR door courtesy switch is ON (Door is opened) Below 1 V
MPX5 (B8-14) W <--> - Multiplex communication circuit -
MPX6 (B8-16) W <--> - Multiplex communication circuit -
P <--> GND1, 2 (B8-17 <--> 4, 16) G-W <--> - Park / Neutral position switch is P position 10 - 14 V
LCYL <--> GND1, 2 (B8-21 <--> 4, 16) G-Y <--> - Ignition switch is ON 10 - 14 V
RCYL <--> GND1, 2 (B8-22 <--> 4, 16) G-R <--> - Ignition switch is ON 10 - 14 V
DCTY <--> GND1, 2 (B8-23 <--> 4, 16) R-Y <--> - Driver door courtesy switch is ON (Door is opened) Below 1 V
PCTY <--> GND1, 2 (B8-24 <--> 4, 16) R-B <--> - Passenger door courtesy switch is ON (Door is opened) Below 1 V
HEAD <--> GND1, 2 (B9-1 <--> 4, 16) R-W <--> - Headlight control switch position is HEAD Below 1 V
HU <--> GND1, 2 (B9-2 <--> 4, 16) R-Y <--> - Headlight dimmer switch position is Hi-Beam Below 1 V
A <--> GND1, 2 (B9-3 <--> 4, 16) G-O <--> - Headlight control switch position is AUTO Below 1 V
CLTS <--> GND1, 2 (B9-4 <--> 4, 16) Y <--> - Automatic light communication circuit is ON Below 1 V
CLTB <--> GND1, 2 (B9-6 <--> 4, 16) R <--> - Ignition switch is ON 10-14 V
HF <--> GND1, 2 (B9-7 <--> 4, 16) R-B <--> - Headlight dimmer switch position is Hi-Flasher Below 1 V
TAIL <--> GND1, 2 (B9-8 <--> 4, 16) G-B <--> - Headlight control switch position is TAIL Below 1 V
DRLP <--> GND1, 2 (B9-12 <--> 4, 16) G-Y <--> - Ignition switch is ON, Open door warning light is ON Below 1.2 V
KSW <--> GND1, 2 (B9-14 <--> 4, 16) R-B <--> - Key is inserted in key cylinder Below 1 V
HF2 <--> GND1, 2 (B9-20 <--> 4, 16) R-W <--> - Ignition switch is ON 10-14 V
CLTE <--> GND1, 2 (B9-21 <--> 4, 16) BR <--> - Constant Below 1 V