OEM Nissan Coils, Modules & Pick-Ups

Generate Spark with Coils, Modules and Pick-Ups

Ever wonder how coils break down or what it needs to be replaced? Ignition coils transform battery voltage into high voltage for spark plugs. These electromagnetic devices include primary and secondary windings in oil-filled or epoxy-filled housings. Ignition modules control coil firing timing based on engine position. Factory coils provide adequate voltage across all operating conditions.

How Ignition Coils Create High Voltage

Your ignition coil uses electromagnetic induction to generate spark voltage. The primary winding receives battery voltage through the ignition module. When current stops flowing, the magnetic field collapses through the secondary winding. This collapse induces voltages exceeding 40,000 volts in the secondary circuit. High voltage flows through spark plug wires or directly to plugs in coil-on-plug systems. The ignition module switches primary current based on crankshaft position. Nissan ignition coils for vehicles like the Sentra and Titan include thermal protection against overheating. Pick-up coils in distributors sense trigger wheel position. Modern systems use crankshaft sensors instead of pick-ups. Oil or epoxy insulation prevents voltage leakage. The system works with spark plugs to ignite air-fuel mixture.

What Damages Ignition Components

Ignition coils fail from thermal stress breaking down internal insulation. Vibration cracks epoxy-filled coils. High voltage finds paths to ground through damaged insulation. Ignition modules overheat from excessive current draw or poor heat sinking. Pick-up coils develop open circuits from wire breakage. Generic aftermarket coils often lack adequate voltage output. Moisture intrusion causes internal shorting. Incorrect spark plug gaps overload coils. Poor electrical connections create resistance and heat. Coil-on-plug designs fail from oil contamination in spark plug wells. Age-related insulation breakdown allows voltage leaks.

Diagnosing Ignition System Problems

Replace ignition coils when misfires occur under load. Check engine lights with misfire codes indicate coil problems. Most coils last 80,000 to 120,000 miles. Test coil resistance with a multimeter comparing to specifications. Rough idle suggests weak spark from failing coils. Swap coils between cylinders to verify if misfire follows the coil. Modules that fail cause no-start conditions. Inspect coil-on-plug boots for oil contamination. Failed pick-ups prevent spark generation in older systems. Genuine Nissan ignition coils include proper insulation and correct output voltage that ensures reliable spark generation, unlike aftermarket coils that may not provide adequate voltage or fail prematurely from inferior construction.

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