Ecu Power Source Circuit [11/2016 - ]: Description
If the power switch is on (IG), the hybrid vehicle control ECU assembly applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 and +B2 terminals.
If the power switch is on (IG), the hybrid vehicle control ECU assembly applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 and +B2 terminals.