Patent ID: 7677215

Claim:
A power management device, comprising: a cranking control unit operable to bring a starter for starting an engine to cranking and hold the cranking based on an operating signal output with an operation of a switch; a first hold terminating unit operable to terminate cranking hold when receiving a starter stop instruction signal indicating an instruction to terminate cranking hold sent from an engine control device when it is determined that the engine reached a complete explosion; a second hold terminating unit operable to terminate cranking hold when it is determined that the engine reached a complete explosion based on an engine revolution signal sent from the engine control device; a judging unit for judging whether or not cranking hold can be terminated by the first hold terminating unit or the second hold terminating unit; and a third hold terminating unit operable to terminate cranking hold when it is judged by the judging unit that cranking hold can be terminated by neither the first hold terminating unit nor the second hold terminating unit.