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.
1997 Mazda Millenia BaseFACTORY OEM SERVICE PROCEDURE
Ignition Coil Resistance
- Disconnect distributor 3-pin connector. Using ohmmeter, measure primary resistance between terminals "A" and "B". See Figure . Resistance should be as specified. See IGNITION COIL RESISTANCE table. If resistance is not as specified, replace distributor.
- Remove distributor cap. Using an ohmmeter, measure secondary resistance between terminal "A" and coil tower. See Figure . Resistance should be as specified. See IGNITION COIL RESISTANCE table. If resistance is not as specified, replace distributor.
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
| Application | Primary | Secondary | ||
|---|---|---|---|---|
| 2.5L | .49-.73 | (1) 20,000-31,000 | ||
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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.