Battery Charging and Diagnostics
Here are six tips to use when diagnosing a vehicle with a dead battery.
Why Alternators Are Subject To Ripple Voltage
The alternator produces an AC current that must be converted into DC current by way of a rectifier.
Fuel Injector Wave Forms
Diagnosing a fuel injector circuit with a scope can help you to confirm the health of the drivers and injectors.
Ignition Diagnostics
This part of the cycle is when the mixture of air and fuel ignites and how the flame front spreads in the cylinder.
Fuel Injector Waveform Diagnostics
On the majority of injectors, an electromagnetic coil is energized by a driver in the engine control module.
Scoping Ignition Waveforms
The secret to being able to capture and analyze secondary ignition waveforms is understanding what is happening in the coil and at the spark plug and how the scope measures and graphs the voltages and ignition event.
Demystifying Scopes: Engine Camshaft And Crankshaft Waveforms
Having to remove valve or front cover of an engine to check engine timing marks can rarely be completed in under an hour on most modern engines. But, capturing the waveforms from the camshaft and crankshaft sensors can be completed in under 30 minutes. This diagnostic approach can also diagnose circuit and sensor problems.
VIDEO: Matching A Captured Waveform To The Correct Vehicle
Andrew Markel discusses how you can verify that a waveform you have captured is correct for the vehicle. Sponsored by ProDemand from Mitchell1.
