E-learn Functional description - sorry cant get it to work as an attachment
The engine control unit M10 monitors and controls the entire electronic ignition and injection system.
The system is supplied directly by the battery via a line protected by the maxifuse CVM located on the battery, connector B99 .
The supply controlled by the ignition (15/54) reaches pin 47 of connector A of M10 from the line protected by fuse F16 of the engine compartment unit B1 .
The control unit M10 is supplied directly by the battery at pin 15 of connector A, via a line protected by fuse F18 of the unit B1 .
The main injection relay T9 of B1 controls the entire system: this is excited by a control signal (earth) received from pin 31 of connector A of control unit M10 and then sends power:
to pins 16, 32 and 48 of connector A of the unit, via the line protected by fuse F17 of B1 ;
to the air flow meter K41 , the fuel vapour recovery solenoid L10 , the variable valve timing actuator N76 and the Lambda probes K15 , K16 and K17 ; (all these lines are protected by fuse F11 of B1 ;
to the injectors N70 and the coils A30 , via the line protected by fuse F22 of B1 .
The fuel pump relay T10 of B1 is supplied by the line of the fuse F21 of B1 .
It is energized by a control signal (earth) from pin 30 of connector A of control unit M10 and supplies power to fuel pump N40 , which is earthed through the inertia switch I50 , which cuts off the circuit in the case of a crash and so prevents the dangerous spilling of fuel.
The engine control unit M10 receives signals from the various sensors in order to monitor all engine operating conditions.