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 MANUALSHYUNDAI1994ELANTRA BASE, 1.8 MREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSCOMPUTERIZED ENGINE CONTROLSELECTRONIC CONTROL MODULE (ECM)POWER CIRCUITS
1994 Hyundai Elantra Base, 1.8 M
Power Circuits
1994 Hyundai Elantra Base, 1.8 MSECTION Power Circuits
Turn ignition on. Check for battery voltage at ECM power terminals. See POWER TERMINAL IDENTIFICATION table. If battery voltage is not present, check operation of MFI control relay. See RELAYS.
GROUND TERMINAL IDENTIFICATION
| Application | (1) ECM Terminal No. | ||
|---|---|---|---|
| Elantra (Fed.) | (10-pin connector) 5 & 10 | ||
| Elantra (CA) | (26-pin connector) 1 & 14 | ||
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POWER TERMINAL IDENTIFICATION
| Application | (1) ECM Terminal No. | ||
|---|---|---|---|
| Elantra | (18-pin connector) 12 & 15 | ||
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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.