A sawtooth signal dying into a digital signal? That sounded strange. “Are you sure? What signal is it?” I asked. “Well, it has to be the rpm signal. I’ve scoped every wire at the distributor and this is the only one with a pattern like a magnetic pickup.” After a few more questions, I suspected […]
In our last installment (February 1999 Import Service), we covered ECU locations and explained how to recover diagnostic trouble codes (DTC’s) from Honda engine management systems. This month we’ll discuss exactly what the codes mean, explain why and how a code can set and identify the high-percentage repair that will usually fix the car. Keep […]
One of the pleasures of running a small business is taking the time to get to know people. One of the more interesting people I’ve had the good fortune to know for many years is my friend Steve the llama farmer. When it’s not the growing season (which is very short in the Puget Sound), […]
I’d like to talk about AC ripple and dispel some misconceptions about what is it and what causes it. To do this, I will have to teeter along some of the borderlines of electronic theory, and things may seem a bit abstract at first. Please understand my purpose is not to prepare electrical engineers for […]
