| · 1998 ECU
∟1998 2GNT ECU Pinout - colors by location and usage
| Pin Number | Wire Color | Use |
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| 1 | Unused | Unused |
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| 2 | Unused | Unused |
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| 3 | Brown | To Coil 2/4 |
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| 4 | Unused | Unused |
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| 5 | unused | unused |
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| 6 | Black / red stripe | From ASD relay |
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| 7 | Yellow / green stripe | Injector #3 |
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| 8 | Blue | To Generator Field Coil |
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| 9 | Blue / Yellow Stripe | to Brake Warning light |
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| 10 | Black | Ground |
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| 11 | Black / Blue Stripe | To Coil 1/3 |
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| 12 | Red / Black | Cruise Control main switch |
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| 13 | Light Green / Black stripe | Injector #1 |
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| 14 | unused | unused |
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| 15 | unused | unused |
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| 16 | light green / red stripe | Injector #4 |
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| 17 | Yellow / Red Stripe | Injector #2 |
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| 18 | Light Green | Not Sure Yet |
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| 19 | Green / orange stripe | to radiator fan relay HIGH |
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| 20 | Black / White stripe | ECU main power |
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| 21 | unused | unused |
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| 22 | Green / Red Stripe | To CEL Light |
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| 23 | Yellow / Blue stripe | To fuel gauge and Low Fuel light |
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| 24 | Unused | Unused |
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| 25 | White / Yellow Stripe | Knock Sensor Signal |
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| 26 | Green / White stripe | Engine Coolant Temperature sensor input |
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| 27 | unused | unused |
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| 28 | unused | unused |
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| 29 | unused | unused |
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| 30 | White / Blackstripe | Front O2 sensor signal |
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| 31 | unused | unused |
|---|
| 32 | Blue / White stripe | Crankshaft Position Sensor signal |
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| 33 | Blue / Red stripe | Camshaft Position Sensor signal |
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| 34 | unused | unused |
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| 35 | Brown / Red stripe | Throttle Position Sensor signal |
|---|
| 36 | Yellow / Black stripe | MAP Sensor signal |
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| 37 | Brown / Blue stripe | Intake Air Temperature Sensor input |
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| 38 | Green / Red stripe | to AC dual pressure switch |
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| 39 | Blue | To Battery Light |
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| 40 | Red / Blue stripe | to EGR solinoid |
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| 41 | Red | Cruise Control switch |
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| 42 | unused | unused |
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| 43 | Black / Green stripe | Ground for VSS, MAP, TPS, CmPS, CkpS |
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| 44 | Yellow | power for VSS, CrPS, CmPS (8v+) |
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| 45 | Blue / yellow stripe | Power Steering Pressure Switch |
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| 46 | Red / Black stripe | to ASD relay |
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| 47 | Black | Ground |
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| 48 | Green / Blue stripe | to IAC pin 2 |
|---|
| 49 | Orange / Blue stripe | to IAC pin 3 |
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| 50 | Black | Ground |
|---|
| 51 | White / Green stripe | Rear O2 sensor signal |
|---|
| 52 | unused | unused |
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| 53 | unused | unused |
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| 54 | unused | unused |
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| 55 | Green / black stripe | Radiator fan relay LOW |
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| 56 | Light Green / White stripe | To Cruise Control |
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| 57 | Grey | to IAC pin 4 |
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| 58 | Yellow / blue stripe | to IAC pin 1 |
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| 59 | Black / Blue stripe | To coil 1 |
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| 60 | White / blue stripe | to TCU (ATX only) and/or OBD1 connector |
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| 61 | Green / yellow stripe | Power for MAP, TPS (5v+) |
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| 62 | Brown / White stripe | from stoplight switch |
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| 63 | unused (MTX) or Orange / Black stripe (ATX) | to TCU (ATX) |
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| 64 | Green | to AC compressor clutch relay |
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| 65 | Pink | to OBD2 connector |
|---|
| 66 | Yellow / white stripe | VSS Signal |
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| 67 | Red / white stripe | to ASD relay |
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| 68 | Light Green / black stripe | to duty cycle purge solinoid |
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| 69 | Green / orange stripe | Condensor fan relay HI |
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| 70 | Black / White Stripe | To Duty Cycle Purge Solinoid |
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| 71 | unused | unused |
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| 72 | Red / Blue stripe | to EVAP solinoid |
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| 73 | White | Tach signal to HVAC ECU and Gauge cluster |
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| 74 | White / red stripe | to fuel pump relay |
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| 75 | Blue / black stripe | to OBD1 connector |
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| 76 | Black / yellow stripe (ATX) or unused (MTX) | to transaxle range switch (ATX) or unused (MTX) |
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| 77 | Red / yellow stripe | to EVAP solinoid |
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| 78 | Unused | Unused |
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| 79 | unused | unused |
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| 80 | Black / yellow stripe | to cruise control speed control assembly |
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ECU
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Last modified on 2025-01-31 11:12:06
by DarkOne
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