An electric power steering control apparatus comprising: a motor having a plurality of multiphase windings; a plurality of inverter circuits (9a, 9b) that respectively drive-control the plurality of multiphase windings individually; a plurality of relays (6a, 6b) that are connected to a power supply at one end, and that respectively set the plurality of inverter circuits (9a, 9b) in a power supply condition individually when closed; and a control unit that implements an initial check upon reception of a power supply in order to determine whether or not a fault has occurred in a plurality of groups constituted by the plurality of multiphase windings and the plurality of inverter circuits (9a, 9b) corresponding respectively to the plurality of multiphase windings, and after implementing the initial check, executes power steering control on the basis of an implementation result of the initial check by executing drive control on the plurality of inverter circuits (9a, 9b) in accordance with opening/closing control executed on the plurality of relays (6a, 6b) and input information from a sensor group, characterized in that the control unit executes the initial check individually on each group of the plurality of groups, executes the opening/closing control on the plurality of relays (6a, 6b) in accordance with the implementation result of the initial check so that respective timings at which power is supplied to the plurality of inverter circuits (9a, 9b) are offset, and executes the drive control on the plurality of inverter circuits (9a, 9b) in accordance with the implementation result of the initial check so that respective currents passed through the plurality of multiphase windings are offset. a motor having a plurality of multiphase windings; a plurality of inverter circuits (9a, 9b) that respectively drive-control the plurality of multiphase windings individually; a plurality of relays (6a, 6b) that are connected to a power supply at one end, and that respectively set the plurality of inverter circuits (9a, 9b) in a power supply condition individually when closed; and a control unit that implements an initial check upon reception of a power supply in order to determine whether or not a fault has occurred in a plurality of groups constituted by the plurality of multiphase windings and the plurality of inverter circuits (9a, 9b) corresponding respectively to the plurality of multiphase windings, and after implementing the initial check, executes power steering control on the basis of an implementation result of the initial check by executing drive control on the plurality of inverter circuits (9a, 9b) in accordance with opening/closing control executed on the plurality of relays (6a, 6b) and input information from a sensor group, characterized in that the control unit executes the initial check individually on each group of the plurality of groups, executes the opening/closing control on the plurality of relays (6a, 6b) in accordance with the implementation result of the initial check so that respective timings at which power is supplied to the plurality of inverter circuits (9a, 9b) are offset, and executes the drive control on the plurality of inverter circuits (9a, 9b) in accordance with the implementation result of the initial check so that respective currents passed through the plurality of multiphase windings are offset.