The car is Auto. The Auto locksmith had a machine that detected a mag field when the ignition was turned on. This car does not produce one and even with the antenna coil unplugged I have no voltage at the plug everything that is in this circuit has been replaced including the coil. I have no immobiliser light at all it hasn’t come on once since the car stopped starting. I don’t know about any codes when the auto locksmith plugged in his diagnosis tool he said there were no codes. Is there a way I can check without a OBD tool
Information not previous obvious, how I'm reading this saga.
" Once ECU was replaced all checked out ok apart from this issue with no power to the antenna coil"
I was working with IMMO light, no antenna power, not that I fully understand what's going on here
I would follow the fault finding steps I listed and report the results on each