3239460 - E5030 PETROL ENGINE ELECTRONIC MANAGEMENT - Functional description

Functional description

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 EFI located on the battery, connector B99 C . The supply controlled by the ignition (15/54) arrives from the line protected by fuse F4 of the additional fuse box B98 A . The control unit M10 is supplied directly by the battery at pin 70 of connector A, via a line protected by fuse F5 of the additional fuse box B98 A . The supply controlled by the ignition reaches pin 67 of connector A, via a line protected by fuse F4 of the additional fuse box B98 A . The main injection relay J10 controls the entire system: this is excited by a control signal (earth) received from pin 25 of connector A of control unit M10 and then sends power: to pins 3, 5 and 6 of control unit connector A; the air flow meter K41 , fuel vapour recovery solenoid L10 , variable geometry control solenoid L15 , variable valve timing actuator N76 and Lambda sensors K15 , K16 K17 and K18 ; (all these lines are protected by fuse F2 of B98 A ). to the coils A30 , via the line protected by fuse F3 of B98 A ; to high pressure pump N77 , again via the line protected by fuse F3 of B98 A . the fuel pump relay J15 receives a supply controlled by the ignition via fuse F4 , of the additional fuse box B98 A . It is energized by a control signal (earth) from pin 28 of connector A of control unit M10 and supplies power to fuel pump N40

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