FixVault

Terminals Of Ecu

Fig 1: Identifying Terminals Of ECU (S1)
G03196379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ECU TERMINALS VOLTAGE SPECIFICATION

Symbols (Terminal No.) Wiring Color Terminal Description Condition STD Voltage (V)
+BS (S1-1) - GND1, 2 (S1-2, 24) B - W-B Solenoid relay test input Always 11 to 14
FL+ (S1-9) - FL- (S1-8) R - G Front LH wheel speed signal input IG switch ON, slowly turn left front wheel AC generation
FR+ (S1-31) - FR- (S1-30) G-W - G-O Front RH wheel speed signal input IG switch ON, slowly turn right front wheel AC generation
RL+ (S1-11) - RL- (S1-12) Y-B - P-B Rear LH wheel speed signal output IG switch ON, slowly turn left rear wheel AC generation
RR+ (S1-33) - RR- (S1-34) LG-B - LG-R Rear RH wheel speed signal input IG switch ON, slowly turn right rear wheel AC generation
BRL (S1-32) - GND1, 2 (S1-2, 24) B-Y - W-B Brake warning light output IG switch ON, brake warning light ON 8 to 14
D/G (S1-14) - GND1, 2 (S1-2, 24) W - W-B Diagnosis tester communication line IG switch ON 11 to 14
TC (S1-16) - GND1, 2 (S1-2, 24) P-B - W-B Diagnosis tester communication line IG switch ON 11 to 14
STP (S1-10) -GND1, 2 (S1-2, 24) G-W - W-B Stop lamp relay output Stop light switch ON 8 to 14
+BM (S1-23) -GND1, 2 (S1-2, 24) B - W-B Motor relay test input Always 11 to 14
IG1 (S1-25) -GND1, 2 (S1-2, 24) B-L - W-B IG1 power supply IG switch ON 11 to 14
WA (S1-13) -GND1, 2 (S1-2, 24) P - W-B ABS warning output IG switch ON, ABS warning light ON 8 to 14
SP1 (S1-26) -GND1, 2 (S1-2, 24) W-R - W-B Speed signal output Vehicle driving at about 20 km/h (12 mph) AC generation
PKB (S1-18) -GND1, 2 (S1-2, 24) Y-R - W-B Parking brake switch input IG switch ON, parking brake switch ON Below 1.5
PKB (S1-18) -GND1, 2 (S1-2, 24) Y-R - W-B Parking brake switch input IG switch ON, parking brake switch OFF 11 to 14