1998 ECU

1998 2GNT ECU Pinout - colors by location and usage

Pin Number	Wire Color	Use
1	Unused	Unused
2	Unused	Unused
3	Brown	To Coil 2/4
4	Unused	Unused
5	unused	unused
6	Black / red stripe	From ASD relay
7	Yellow / green stripe	Injector #3
8	Blue	To Generator Field Coil
9	Blue / Yellow Stripe	to Brake Warning light
10	Black	Ground
11	Black / Blue Stripe	To Coil 1/3
12	Red / Black	Cruise Control main switch
13	Light Green / Black stripe	Injector #1
14	unused	unused
15	unused	unused
16	light green / red stripe	Injector #4
17	Yellow / Red Stripe	Injector #2
18	Light Green	Not Sure Yet
19	Green / orange stripe	to radiator fan relay HIGH
20	Black / White stripe	ECU main power
21	unused	unused
22	Green / Red Stripe	To CEL Light
23	Yellow / Blue stripe	To fuel gauge and Low Fuel light
24	Unused	Unused
25	White / Yellow Stripe	Knock Sensor Signal
26	Green / White stripe	Engine Coolant Temperature sensor input
27	unused	unused
28	unused	unused
29	unused	unused
30	White / Blackstripe	Front O2 sensor signal
31	unused	unused
32	Blue / White stripe	Crankshaft Position Sensor signal
33	Blue / Red stripe	Camshaft Position Sensor signal
34	unused	unused
35	Brown / Red stripe	Throttle Position Sensor signal
36	Yellow / Black stripe	MAP Sensor signal
37	Brown / Blue stripe	Intake Air Temperature Sensor input
38	Green / Red stripe	to AC dual pressure switch
39	Blue	To Battery Light
40	Red / Blue stripe	to EGR solinoid
41	Red	Cruise Control switch
42	unused	unused
43	Black / Green stripe	Ground for VSS, MAP, TPS, CmPS, CkpS
44	Yellow	power for VSS, CrPS, CmPS (8v+)
45	Blue / yellow stripe	Power Steering Pressure Switch
46	Red / Black stripe	to ASD relay
47	Black	Ground
48	Green / Blue stripe	to IAC pin 2
49	Orange / Blue stripe	to IAC pin 3
50	Black	Ground
51	White / Green stripe	Rear O2 sensor signal
52	unused	unused
53	unused	unused
54	unused	unused
55	Green / black stripe	Radiator fan relay LOW
56	Light Green / White stripe	To Cruise Control
57	Grey	to IAC pin 4
58	Yellow / blue stripe	to IAC pin 1
59	Black / Blue stripe	To coil 1
60	White / blue stripe	to TCU (ATX only) and/or OBD1 connector
61	Green / yellow stripe	Power for MAP, TPS (5v+)
62	Brown / White stripe	from stoplight switch
63	unused (MTX) or Orange / Black stripe (ATX)	to TCU (ATX)
64	Green	to AC compressor clutch relay
65	Pink	to OBD2 connector
66	Yellow / white stripe	VSS Signal
67	Red / white stripe	to ASD relay
68	Light Green / black stripe	to duty cycle purge solinoid
69	Green / orange stripe	Condensor fan relay HI
70	Black / White Stripe	To Duty Cycle Purge Solinoid
71	unused	unused
72	Red / Blue stripe	to EVAP solinoid
73	White	Tach signal to HVAC ECU and Gauge cluster
74	White / red stripe	to fuel pump relay
75	Blue / black stripe	to OBD1 connector
76	Black / yellow stripe (ATX) or unused (MTX)	to transaxle range switch (ATX) or unused (MTX)
77	Red / yellow stripe	to EVAP solinoid
78	Unused	Unused
79	unused	unused
80	Black / yellow stripe	to cruise control speed control assembly

ECU