Pdf Automotive Oscilloscopes Waveform Analysis Online

He switched the scope leads. He moved from the high-voltage ignition system to the low-voltage ground strap of the engine block. He set the scope to a millisecond timebase, a scale so small human reaction time couldn't comprehend it.

Every electrical fault leaves a signature. The oscilloscope reads it. The PDF identifies it. The technician fixes it. pdf automotive oscilloscopes waveform analysis

He zoomed in on the waveform. At the very end of the spark event, there should have been three or four diminishing ripples of energy—coil oscillations. On his screen, there was one. Maybe one and a half. He switched the scope leads