Toyota Prius 3rd Gen Engine Control Module (ECM)

Toyota Prius 3^rd Gen

Engine Control Module (ECM)

A57 TERMINALS OF ECM CONECTOR

Terminal No	Symbol (Pin Definition)	Wiring (Color Code) & Color	Electrical Paths
1	+B2 (Battery Positive)	(B) Black	➔ 1B 4 ➤ (EFI Main Relay)
2	+B (Battery Positive)	(B) Black	➔ 1B 4 ➤ (EFI Main Relay)
3	+BM (Battery Positive)	(GR) Gray	➔ ➤ (BAT) 10A Fuse [ETCS]
4	CANN	(W) White	➳ AL3 11 ➔ L10 4
5	CANL	(V) Velvet	➳ AL3 5 ➔ L95 20
6	MREL	(G) Green	➔ 1B 2 ➤ (EFI Main Relay)
7	TC (Diagnostic Connector 12 pin)	(P) Pink	➳ AL2 4 ➔ 3B 9 ⟺ 3A 46 ➔ L61 12 (TC) [DLC3]
8	FC	(R) Red	➔ 1B 7 ➤ (C/OPN Relay)
9	_	_	_
10	WPO	(L) Blue	➳ DA2 10 ➔ D13 4 (SWP) [Water Pump Assembly]
11	WPI	(G) Green	➳ DA2 11 ➔ D13 2 (NWP) [Water Pump Assembly]
12	CANP	(B) Black	➳ AL3 10 ➔ L10 15
13	CANH	(P) Pink	➳ AL3 4 ➔ L95 9
14	_	-	_
15	_	_	_
16	_	-	_
17	_	_	_
18	_	_	_
19	_	_	_
20	BATT (Battery Positive)	(R) Red	➔ 1B 1 ➤ (BAT) 20A Fuse [EFI Main] ➔ 1B 1 ➤ (EFI Main Relay)
21	FANL	(L) Blue	➔ ➤ (FAN NO.3 Relay)
22	FANH	(LG) Light Green	➔ ➤ (FAN NO.1 Relay) ➔ ➤ (FAN NO.2 Relay)
23	_	_	_
24	_	_	_
25	_	_	_
26	_	_	_
27	_	_	_
28	IGSW (Ignition Positive)	(W) White	➔ A52 8 ⟺ A52 12 ➔ 2C 13 ➤ (IG) 10A Fuse [IGN]
29	_	_	_
30	_	_	_
31	_	_	_
32	EC (GND)	(W-B) White/Black	➔ A56 2 ⟺ A56 8 ➔ ▼ A3 (Ground Point)
33	_	_	_
34	MPMP	(L) Blue	➳ AS1 13 ➔ S16 3 (MTRB) [Canister Pump Module]
35	_	_	_
36	W (Malfunction Indicator Lamp)	(LG) Light Green	➳ AL2 11 ➔ L27 25 (EFI) [Combustion Meter Assembly]
37	_	_	_
38	_	_	_
39	_	_	_
40	_	_	_
41	_	_	_
42	VPMP	(B) Black	➳ AS1 16 ➔ S16 1 (VGND) [Canister Pump Module]
43	_	_	_
44	_	_	_
45	_	_	_
46	PWMS (PWR MODE Swich)	(G) Green	➳ AL1 4 ➔ 3A 74 ⟺ 3A 13 ➔ L78 7 (PWR) [Intergration Control and Pannel Assembly]
47	_	_	_
48	_	_	_
49	_	_	_
50	_	_	_
51	_	_	_
52	_	_	_
53	_	_	_
54	_	_	_
55	_	_	_
56	_	_	_
57	_	_	_
58	_	_	_
59	_	_	_
60	_	_	_

D28 TERMINALS OF ECM

Terminal No	Symbol (Pin Definition)	Wiring (Color Code) & Color	Electrical Paths
1	_	_	_
2	_	_	_
3	_	_	_
4	_	_	_
5	_	_	_
6	_	_	_
7	_	_	_
8	_	_	_
9	_	_	_
10	_	_	_
11	_	_	_
12	_	_	_
13	_	_	_
14	_	_	_
15	_	_	_
16	_	_	_
17	_	_	_
18	HA1A	(Y) Yellow	➔ D24 1 (HA1A) [Air Fuel Ratio Sensor (Blank-1 Sensor-1)]
19	ME01	(BR) Brown	➔ ▼ D1 (Ground point)
20	M-	(P) Pink	➔ D4 1 (M-) [Trottel Body Assembly]
21	M+	(L) Blue	➔ D4 2 (M+) [Trottel Body Assembly]
22	GE01	(W-B) White/Black	➔ (Shielded) [Trottel Body Assembly]
23	IGF	(L) Blue	➔ ✠ ➔ D23 2 (IGF) [Ignition Coil Assembly No.1] ➔ ✠ ➔ D22 2 (IGF) [Ignition Coil Assembly No.2] ➔ ✠ ➔ D21 2 (IGF) [Ignition Coil Assembly No.3] ➔ ✠ ➔ D20 2 (IGF) [Ignition Coil Assembly No.4]
24	_	_	_
25	_	_	_
26	_	_	_
27	_	_	_
28	PRG	(V) Velvet	➔ D11 1 [Purge VSV]
29	_	_	_
30	_	_	_
31	_	_	_
32	_	_	_
33	_	_	_
34	_	_	_
35	_	_	_
36	OC1+	(Y) Yellow	➔ D25 1 (+) [Camshaft Timing Oil Control Valve(Intake Side)]
37	_	_	_
38	_	_	_
39	_	_	_
40	_	_	_
41	HT1B	(BR) Brown	➔ D9 1 (HT1B) [Oxygen Sensor(Bank-1 Sensor-2)]
42	EGR4	(LG) Light Green	➔ D10 1 (EGR4)[EGR Valve Assembly]
43	EGR3	(Y) Yellow	➔ D10 6 (EGR3)[EGR Valve Assembly]
44	EGR2	(V) Velvet	➔ D10 3 (EGR2)[EGR Valve Assembly]
45	EGR1	(R) Red	➔ D10 4 (EGR1)[EGR Valve Assembly]
46	E04	(BR) Brown	➔ ▼ D2 (Ground point)
47	_	_	_
48	G2O	(Y) Yellow	➳ DA2 3 ➔ A52 2 ⟺ A52 1 ➔ A59 29 (GI) [Converter Inverter Assembly] ➳ DA2 3 ➔ A52 2 ⟺ A53 6 ➔ A21 16 (GI) [Power Management Control ECU]
49	_	_	_
50	_	_	_
51	_	_	_
52	_	_	_
53	_	_	_
54	_	_	_
55	_	_	_
56	_	_	_
57	_	_	_
58	_	_	_
59	OC1-	(G) Green	➔ D25 2 (-) [CamShaft Timing Oil Control Valve(Intake Side)]
60	_	_	_
61	_	_	_
62	_	_	_
63	_	_	_
64	THW	(P) Pink	➔ D6 2 (THW) [E.F.I Engine Control Temperature Sensor]
65	ETHW	(BR) Brown	➔ D6 1 (E2) [E.F.I Engine Control Temperature Sensor]
66	_	_	_
67	_	_	_
68	_	_	_
69	PIM	(B) Black	➔ D3 1 (PIM) [E.F.I Vacuum Sensor Assembly]
70	_	_	_
71	EPIM	(Y) Yellow	➔ D3 2 (E2) [E.F.I Vacuum Sensor Assembly]
72	VCPM	(L) Blue	➔ D3 3 (VC) [E.F.I Vacuum Sensor Assembly]
73	_	_	_
74	NE+	(B) Black	➔ D27 1 (NE) [CrankShaft Position Sensor]
75	_	_	_
76	GL+	(B) Black	➔ D18 1 (VVI+) [VVT Sensor(intake Side)]
77	_	_	_
78	_	_	_
79	_	_	_
80	_	_	_
81	E02	(W-B) White/Black	➔ ✠ ➔ ▼ D1 (Ground point)
82	# 40	(R) Red	➔ D17 2 [Fuel Injector Assembly No.4]
83	# 30	(L) Blue	➔ D16 2 [Fuel Injector Assembly No.3]
84	# 20	(B) Black	➔ D15 2 [Fuel Injector Assembly No.2]
85	# 10	(Y) Yellow	➔ D14 2 [Fuel Injector Assembly No.1]
86	E03	(BR) Brown	➔ ▼ D2 (Ground point)
87	KNK1	(B) Black	➳ DG1 2 ➔ G1 2 [Knock Control Sensor(Bank-1)]
88	VCTA	(R) Red	➔ D4 5 (VC) [Trottel Body Assembly]
89	VTA2	(B) Black	➔ D4 4 (VTA2) [Trottel Body Assembly]
90	VTA1	(Y) Yellow	➔ D4 6 (VTA) [Trottel Body Assembly]
91	_	_	_
92	_	_	_
93	ETHA	(BR) Brown	➔ D5 1 (E2) [Mass Air Flow Sensor]
94	VG	(B) Black	➔ D5 5 (VG) [Mass Air Flow Sensor]
95	_	_	_
96	_	_	_
97	_	_	_
98	_	_	_
99	VCV1	(R) Red	➔ D18 3 (VC) [VVT Sensor(Intake Side)]
100	_	_	_
101	_	_	_
102	O1B-	(P) Pink	➔ D9 4 (E2) [Oxygen Sensor (Bank-1 Sensor-2)]
103	A1A+	(Y) Yellow	➔ D24 3 (A1A+) [Air-Fuel Ratio Sensor(Bank-1 Sensor-1)]
104	E1	(BR) Brown	➔ ▼ D1 (Ground point)
105	IGT4	(Y) Yellow	➔ D20 3 (IGT4) [Ignition Coil Assembly No.4]
106	IGT3	(G) Green	➔ D21 3 (IGT3) [Ignition Coil Assembly No.3]
107	IGT2	(W) White	➔ D22 3 (IGT2) [Ignition Coil Assembly No.2]
108	IGT1	(GR) Gray	➔ D23 3 (IGT1) [Ignition Coil Assembly No.1]
109	E01	(BR) Brown	➔ ▼ D1 (Ground point)
110	EKNK	(W) White	➔ DG1 1 [Knock Control Sensor(Bank-1)]
111	ETA	(G) Green	➔ D4 3 (E2) [Trottel Body Assembly]
112	EPPM	(LG) Light Green	➳ DA1 7 ➳ AS1 14 ➔ S16 8 (SGND) [Canister Pump Module]
113	VCPP	(GR) Gray	➳ DA1 10 ➳ AS1 6 ➔ S16 6 (VCC) [Canister Pump Module]
114	PPMP	(W) White	➳ DA1 8 ➳ AS1 3 ➔ S16 7 (VOUT) [Canister Pump Module]
115	_	_	_
116	THA	(P) Pink	➔ D5 1 (THA) [Mass Air Flow Sensor]
117	ELG	(W) White	➔ D5 4 (E2G) [Mass Air Flow Sensor]
118	_	_	_
119	_	_	_
120	NE-	(W) White	➔ D27 2 (NE-) [Crankshaft Position Sensor]
121	_	_	_
122	GL-	(W) White	➔ D18 2 (VVI-) [VVT Sensor(Intake Side)]
123	_	_	_
124	_	_	_
125	OX1B	(L) Blue	➔ D9 3 (OX1B) [Oxygen Sensor (Bank-1 Sensor-2)]
126	A1A-	(BR) Brown	➔ D24 4 (A1A-) [Air-Fuel Ratio Sensor (Bank-1 Sensor-1)]