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Terminals Of Ecu

Fig 1: Identifying ECU Terminals
G03386335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ECU TERMINALS VOLTAGE SPECIFICATIONS

Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
SRLR (S5 - 1)- GND (S5 - 16, 22, S8 - 6, 31) L-Y <-> W-B IG switch ON, ABS warning light OFF 10 - 14
MR2 (S5 - 2) - R2+ (S5 - 3) G-R <-> Y-G IG switch ON, brake booster pump motor stops Below 1.0
SFRH (S5 - 4) - GND (S5 - 16, 22, S8 - 6, 31) W-L <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SRLH (S5 - 5) - GND (S5 - 16, 22, S8 - 6, 31) L-B <-> W-B IG switch ON, ABS warning light OFF 10 - 14
AST (S5 - 6) - GND (S5 - 16, 22, S8 - 6, 31) Y-R <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SFRR (S5 - 8) - GND (S5 - 16, 22, S8 - 6, 31) W-G <-> W-B IG switch ON, ABS warning light OFF 10 - 14
PL (S5 - 9) - GND (S5 - 16, 22, S8 - 6, 31) GR-L <-> W-B IG switch ON, pressure switch ON 3 - 5
IG switch ON, pressure switch OFF 7 - 11
ENG+ (S5 - 11) - ENG (S5 - 18) R-L <-> G-Y IG switch ON Pulse generation
LBL (S5 - 12) - GND (S5 - 16, 22, S8 - 6, 31) Y-B <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SOL+ (S5 - 14) - SOL (S5 - 21) B-Y <-> L IG switch ON, ABS warning light OFF 3.5 - 8
NEO (S5 - 19) - GND (S5 - 16, 22, S8 - 6, 31) R-W <-> W-B Engine idling Pulse generation
TRC+ (S5 - 20) - TRC- (S5 - 13) P <-> V IG switch ON Pulse generation
VGS (S6 - 1) - GGND (S6 - 21) BR <-> L IG switch ON 4.5 - 5.5
IG2 (S6 - 6) - GND (S5 - 16, 22, S8 - 6, 31) G-B <-> W-B IG switch ON 10 - 14
PKB (S6 - 8) - GND (S5 - 16, 22, S8 - 6.31) R-B <-> W-B IG switch ON, parking brake switch ON Below 1.5
IG switch ON, parking brake switch OFF 10 - 14
GL2 (S6 - 10) - GGND (S6 - 21) Y <-> L IG switch ON, vehicle is placed on the horizontal surface 2.0 - 3.0
CSW (S6 - 12) - GND (S5 - 16,22, S8 - 6, 31) O <-> W-B IG switch ON, VSC OFF switch pushed in Below 1.5
IG switch ON, VSC OFF switch released 8 - 14
SS1+ (S6 - 14) - SS1 - (S6 - 23) P <-> LG Engine idling, slowly turn steering wheel Pulse generation
SP1 (S6 - 16) - GND (S5 - 16, 22, S8 - 6, 31) V <-> W-B Vehicle driving at about 20 km/h (12 mph) Pulse generation
MPX1 (S6 - 17) - GND (S5 - 16, 22, S8 - 6, 31) L-O <-> W-B Multiplex communication circuit -
YSS (S6 - 18) - GND (S5 - 16, 22, S8 - 6, 31) Shielded <-> W-B IG switch OFF Continuity
YD (S6 - 19) - GGND (S6 - 21) R <-> L Approx. 1 sec. after IG switch ON 4.5 - 5.5
GGND (S6 - 21) - GND (S5 - 16, 22, S8 - 6, 31) L <-> W-B IG switch OFF Below 0.3
GL1 (S6 - 22) - GGND (S6 - 21) G <-> L IG switch ON, vehicle is placed on the horizontal surface 2.0 - 3.0
FLO (S6 - 25) - GND (S5 - 16, 22, S8 - 6, 31) Y-R <-> W-B Vehicle driving at about 20 km/h (12 mph) Pulse generation
YAW (S6 - 28) - GGND (S6 - 21) W <-> L IG switch ON, vehicle is in stationary condition 2 - 3
BZ (S7 - 2) - GND (S5 - 16, 22, S8 - 6, 31) V <-> W-B IG switch ON, skid control buzzer is sounded Below 1.5
IG switch ON, skid control buzzer is not sounded 10 - 14
MPX2 (S7 - 3) - GND (S5 - 16, 22, S8 - 6, 31) R-L <-> W-B Multiplex communication circuit -
D/G (S7 - 4) - GND (S5 - 16, 22, S8 - 6, 31) W <-> W-B IG switch ON 10 - 14
IG1 (S7 - 6) - GND (S5 - 16, 22, S8 - 6, 31) R <-> W-B IG switch ON 10 - 14
TRIG (S7 - 8) - GND (S5 - 16, 22, S8 - 6, 31) W-R <-> W-B IG switch ON, ABS warning light OFF 10 - 14
+BO (S7 - 9) - GND (S5 - 16, 22, S8 - 6, 31) L <-> W-B IG switch ON, ABS warning light OFF 10 - 14
STP (S7 - 10) - GND (S5 - 16, 22, S8 - 6, 31) G-0 <-> W-B Stop light switch OFF Below 1.5
Stop light switch ON 8 - 14
Ts (S7 - 12) - GND (S5 - 16, 22, S8 - 6, 31) B - W <-> W-B IG switch ON and terminals Ts-CG of DLC3 connected Below 1.0
IG switch ON and terminals Ts-CG of DLC3 not connected 10 - 14
+BI (S7 - 17) - GND (S5 - 16, 22, S8 - 6, 31) B <-> W-B IG switch ON, ABS warning light OFF 10 - 14
RL+ (S7 - 18) - RL - (S7 - 19) BR <-> G IG switch ON, slowly turn left rear wheel AC generation
RR+ (S7 - 20) - RR - (S7 - 21) P <-> O IG switch ON, slowly turn right rear wheel AC generation
SA1 (S8 - 2) - GND (S5 - 16, 22, S8 - 6.31) V <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SA2 (S8 - 3) - GND (S5 - 16, 22, S8 - 6, 31) R-L <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SA3 (S8 - 4) - GND (S5 - 16, 22, S8 - 6, 31) P <-> W-B IG switch ON, ABS warning light OFF 10 - 14
STR (S8 - 5) - GND (S5 - 16, 22, S8 - 6, 31) BR <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SFLR (S8 - 7) - GND (S5 - 16, 22, S8 - 6, 31) R-W <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SRRH (S8 - 8) - GND (S5 - 16, 22, S8 - 6, 31) Y <-> W-B IG switch ON, ABS warning light OFF 10 - 14
SRRR (S8 - 9) - GND (S5 - 16, 22, S8 - 6, 31) Y-G <-> W-B IG switch ON, ABS warning light OFF 10 - 14
VCM (S8 - 10) - GND (S5 - 16, 22, S8 - 6, 31) B <-> W-B IG switch ON 4.5 - 5.5
PH (S8 - 11) - GND (S5 - 16, 22, S8 - 6, 31) B-W <-> W-B IG switch ON, pressure switch (PH) ON Below 0.9
IG switch ON, pressure switch (PH) OFF 5 - 8
FR+ (S8 - 14) - FR - (S8 - 13) LG <-> G IG switch ON, slowly turn right front wheel AC generation
FL+ (S8 - 16) - FL - (S8 - 15) L-W <-> L IG switch ON, slowly turn left front wheel AC generation
SR (S8 - 19) - R1+ (S8 - 1) W <-> Y-R IG switch ON, ABS warning light OFF 10 - 14
SFLH (S8 - 21) - GND (S5 - 16, 22, S8 - 6, 31) W-R <-> W-B IG switch ON, ABS warning light OFF 10 - 14
PMC (S8 - 22) - E2 (S8 - 23) R <-> W IG switch ON, stop light switch OFF 0.3 - 0.7
E2 (S8 - 23) - GND (S5 - 16, 22, S8 - 6, 31) W <-> W-B IG switch OFF Continuity
FSS (S8 - 24) - GND (S5 - 16, 22, S8 - 6, 31) Shielded <-> W-B IG switch OFF Continuity
MTT (S8 - 27) - GND (S5 - 16, 22, S8 - 6, 31) R-B <-> W-B IG switch ON (Motor relay is OFF) Below 1.5
IG switch ON (Motor relay is ON) Above 8
MT+ (S8 - 28) - MT - (S8 - 18) L-Y <-> GR IG switch ON Pulse generation
MR1 (S8 - 29) -R1+ (S8 - 1) W-G <-> Y-R IG switch ON, hydraulic brake booster pump motor stops Below 1.0
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