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Terminals Of Ecu

Fig 1: Identifying ECU Terminals
G02913460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying J/B Passenger Side ECU Terminals
G02913461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ECU TERMINALS DESCRIPTION

Symbols (Terminal No.) Wiring Color Condition Specified Condition
+B (3B-3) - GND1 (3C-9) L-Y - W-B Always 9 to 14 V
IG (3Q-6) - GND1 (3C-9) R-L(SB) - W-B Ignition switch OFF Below 1 V
Ignition switch ON 9 to 14 V
T (3P-5) - GND1 (3C-9) G(W) (1) - W-B Light control switch OFF 9 to 14 V
Light control switch TAIL or HEAD Below 1 V
KSW (3G-1) - GND1 (3C-9) W (1) - W-B Key is inserted Below 1 V
Key is not inserted 9 to 14 V
BDL (P6-18) - GND1 (3C-9) W-R - W-B Always 9 to 14 V
BDL2 (P4-4) - GND1 (3C-9) W-L - W-B Always 9 to 14 V
LSWD (P6-1) - GND1 (3C-9) L-R - W-B Driver door is unlocked Below 1 V
Driver door is locked Approx. 5.7 V
DLSD (P6-3) - GND1 (3C-9) GR-B - W-B Driver double lock is operating Below 1 V
DLSP (P6-4) - GND1 (3C-9) P-G - W-B Passenger double lock is operating Below 1 V
DLSL (P6-6) - GND1 (3C-9) P-G - W-B Rear LH double lock is operating Below 1 V
DLSR (P6-5) - GND1 (3C-9) P-G - W-B Rear RH double lock is operating Below 1 V
L1 (3C-8) - GND1 (3C-9) L-W (2) - W-B Door lock manual switch OFF or UNLOCK Below 1 V
Door lock manual switch LOCK Approx. 5.0 V
UL1 (3C-17) - GND1 (3C-9) L (2) - W-B Door lock manual switch OFF Below 1 V
Door lock manual switch UNLOCK Approx. 5.0 V
L2 (3C-3 (3), 3C-1 (4)) - GND1 (3C-9) L-O - W-B Door key lock and unlock switch OFF Approx. 5.0 V
Door key lock and unlock switch ON Below 1 V
UL2 (3C-12) - GND1 (3C-9) L-Y - W-B Passenger door key lock and unlock switch OFF Approx. 5.0 V
Passenger door key lock and unlock switch ON Below 1 V
ACT+ (3Q-5) - GND1 (3C-9) L (W) - W-B Door lock is operating to lock 9 to 14 V
ACT- (3Q-1) - GND1 (3C-9) L-Y (W) - W-B Door lock is operating to unlock 9 to 14 V
DCTY (3D-3) - GND1 (3C-9) R-Y - W-B Driver door open Below 1 V
Driver door closed 9 to 14 V
PCTY (3C-5) - GND1 (3C-9) R-W - W-B Passenger door open Below 1 V
Passenger door closed 9 to 14 V
ACTY (3D-2) - GND1 (3C-9) R-W - W-B Back and rear door open Below 1 V
Back and rear door closed 9 to 14 V
PRG (P6-8) - GND1 (3C-9) L - W-B Wireless door control ECU communication circuit -
RDA (P6-9) - GND1 (3C-9) L-B - W-B Wireless door control ECU communication circuit -
PKB (3G-5) - GND1 (3C-9) W - W-B Parking brake is used Below 1 V
Parking brake is not used 9 to 14 V
TAIL (3Z-4) - GND1 (3C-9) G-R (W) (1) - W-B Light control switch OFF 9 to 14 V
Light control switch TAIL or HEAD Below 1 V
PMS (3P-1) - Body Ground P(W) - Body Ground Always Below 1 V
GND1 (3C-9) - Body Ground W-B - Body Ground Always Below 1 V
(1) W/Wireless door lock control
(2) W/Power window
(3) LH side
(4) RH side