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 MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - BASIC TESTINGIGNITION CHECKS2.3CLIGNITION COIL TEST
1998 Acura 3.5RL Special Edition
Ignition Coil Test
1998 Acura 3.5RL Special EditionSECTION Ignition Coil Test
- Turn ignition off. Remove distributor cap. Remove screws and disconnect Black/Yellow wire and White/Black wire from coil. Measure primary winding resistance between primary terminals "A+" and "B-" on ignition coil. See Fig 1. Resistance should be 0.45-0.55 ohm at 68°F (20°C).
- Measure secondary winding resistance between coil terminal "A+" and secondary terminal (coil tower). Resistance should be 16,800-25,200 ohms at 68°F (20°C). Replace coil if resistance is not within specifications.
RENDER: 1.0x
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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.