diagnostics

Intermittent faults seem particularly difficult to diagnose because a circuit may work normally most of the time, making the underlying cause hard to identify. I’m interested in how experienced electronics enthusiasts approach this kind of problem. Do you start by checking power connections and...

Consider a embedded system such as Electro Hydraulic Power Steering ECU mounted in a heavy duty commercial truck. When key switch is turned off, the ECU should executes very limited functionality in sleep. It is not suppose to log faults in sleep mode?