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.
1994 Honda Prelude 4WS, AutomaticFACTORY OEM SERVICE PROCEDURE
Ignition Coil Resistance
- Remove primary and secondary leads from ignition coil. Using an ohmmeter, check resistance between primary terminals "A" and "B" of ignition coil. See Fig 1 . Resistance should be .6-.8 ohm at room temperature.
- Check secondary resistance between terminal "A" and secondary output terminal (coil tower). See IGNITION COIL RESISTANCE
table. Check for continuity between terminals "A" and "C". Continuity should exist. If readings are not within specification, replace coil.IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
Application Primary Secondary Prelude .6-.8 14,000-22,000
Factory Service Tools
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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.