A typical Electronic Control Unit(ECU) performs Open Circuit(OC), Short to Ground(STG), and Short to Battery(STB) Diagnostics on selected internal and external pins in the ECU.
For example, consider a external output pin. There is a wire connected from this pin to somewhere else. If this wire...
Typical embedded ECU stores real calibration values and default calibration values in Non-Volatile Memory(NVM).
Let's say ECU is Steering Controller and it's primary function is Lane Keep Assist(LKA). It is mounted in a commercial truck. It programs camera's real and default calibration values...