X) Whether #IgnitionKey is #switchon, #switchoff, as long as the #carbattery is still connected, some #controlunit's still 'kinda' be powered🤷!
Could be the #BCM for the body, #ECM for engine or whichever🤷, depending on the #controlsystem as this👇 rubbish demonstrates #ecu nonsense👇
www.5021.tips/ujanja/ecu3
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If with time & data to waste, #HapaUjanjaTu just #teachyourself #howitworks #howitsmade #howtorepair #controlsystems #autoelectronics #ecurepair #repairtips #5021tips #autorepairtips