2892466 - 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 B5 which contains the fuses named according to the circuits protected:

  • IGN: ignition switch H1 supply;
  • J/B2 and J/B1: supply for services through junction unit B1 fuses.

Functional description

  • UGD: supply for fuses and relays for engine management

Functional description

Other MAXIFUSE fuses are located individually in the engine compartment and protect the following systems:

  • B7 ABS supply;
  • B8 engine cooling fan supply;

Functional description

  • B37 fuel pre-heating supply

Functional description

Other bridge fuses are located in the compartment on the dashboard, driver's side, next to the junction unit B1 ; others are located in the relay and fuse box in the engine compartment.

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 (INT line) are supplied, protected by fuses for the junction unit B1 and (line 15/54) by fuses B25 and B31 ;
  • in the ON position - the starter motor is supplied; (line '50') ( See E5010  STARTING AND RECHARING);
  • In this position several circuits are disconnected (line 'INT/A'). protected by fuses B26 and B27 ;
  • in the PARK position the side lights are supplied ('STAZ' and 'POS' lines); (see E2010 - SIDE LIGHTS / NO. PLATE LIGHTS)