Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994COLT VISTA BASE, 2.4 G, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SYSTEM/COMPONENT TESTSCOMPUTERIZED ENGINE CONTROLSCONTROL UNITPOWER CIRCUITS
1994 Plymouth Colt Vista Base, 2.4 G, Automatic
Power Circuits
1994 Plymouth Colt Vista Base, 2.4 G, AutomaticSECTION Power Circuits
Turn ignition on. Check for battery voltage on ECM power terminals. See POWER TERMINAL IDENTIFICATION table. If battery voltage is not present, check operation of MFI relay. See RELAYS under MOTORS, RELAYS & SOLENOIDS.
GROUND TERMINAL IDENTIFICATION
| Application | ECM Terminals No. |
|---|---|
| All Models | 13 & 26 |
POWER TERMINAL IDENTIFICATION
| Application | ECM Terminals No. |
|---|---|
| All Models | 12 & 25 |
ENGINE CONTROL MODULE (ECM) LOCATION
| Application | Location |
|---|---|
| All Models | Behind Right Side Of Instrument Panel (Glove Box) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.