3315522 - E1010 SUPPLY - Functional description

Functional description

All the electrical equipment and systems are supplied by the battery A1 .

The main supply lines are protected by the MAXIFUSE box B99 which contains the fuses named according to the circuits protected:

  • CVM : engine compartment junction unit supply B1 , at connector X;
  • CPL: underdashboard junction unit supply B2, at pin 1 of connector G;
  • CVB: luggage compartment junction unit supply B45, to pin 1 of connector B;

Other circuits are supplied by turning ignition key H1 to various different positions:

  • in the ON position, numerous circuits and services controlled by the ignition are supplied ('15/54' line): pin 2 of connector B and B2
  • in the AVV position - the starter motor is supplied; (line '50') See E5010  STARTING AND RECHARING; in this position several circuits are disconnected (line 'INT/A'): pin 9 of connector E of B2
Pin 30 of A20 , the actual starter motor, is supplied with voltage directly from the battery via terminal unit A5 . this supply is interrupted by the SCB device for MAXIFUSE box B99 if the inertia switch I50 is operated.