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.
NIPPONDENSO Electronic Ignition System: Description
Nippondenso electronic ignition system includes a breakerless distributor, an ignitor (ignition control unit), a special ignition coil, an ignition signal generating mechanism (pick-up coil assembly) and ignition switch.
The distributor consists of a housing, rotor and cap. It contains a timing rotor (reluctor), magnet, and pick-up coil assembly. A transistorized ignitor is separate from the distributor. See Fig 1. Distributors contain conventional centrifugal and vacuum advance mechanisms.
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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.