LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> ECM Power Source >> Back-Up (Constant) Power

Back-Up (Constant) Power

Battery power is supplied at all times to the ECM through the EFI fuse.