just wondering where does the ecu get the signal for the rpm??
Fusion Ed Active Member Jul 5, 2007 #2 From the crank angle sensor all engine timings originate here then the ecu sends a pulse to the tacho as explained here: http://www.fusion-motorsport.co.uk/content/view/33/25/
From the crank angle sensor all engine timings originate here then the ecu sends a pulse to the tacho as explained here: http://www.fusion-motorsport.co.uk/content/view/33/25/