Device for starting an internal combustion engine of a motor vehicle using an improved control unit

摘要

A device for starting an internal combustion engine of a motor vehicle is described, which has a starter motor, an engaging relay, a starting current relay, a main current relay, a control unit and a switching module situated between the relays named and the control unit. The control unit is an engine control unit of the motor vehicle. The switching module has inputs which are connected to one output, respectively, of the engine control unit, and has outputs at which control signals for the relays named are provided. The outputs of the engine control unit are small signal outputs.

主权项

1. A device for starting an internal combustion engine of a motor vehicle, comprising:
a starter motor; a starting current relay; an engaging relay configured to control engagement of a driving pinion independently of the starter motor; a main current relay; an engine control unit of the motor vehicle; and a switching module situated between (a) the engaging relay and the main current relay and (b) the engine control unit; wherein the switching module includes:
inputs which are connected to outputs of the engine control unit; andoutputs at which control signals are provided for the engaging relay and the main current relay.