3026132 - 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 A of connector C;
• PTC2: additional heater supply  See E6015  ADDITIONAL HEATER
• IGN: ignition switch supply H1, pin 2 of connector A

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 ('INT' and '15/54' lines): pin 2 of connector B and 1 of connector A;
• in the AVV position - the starter motor is supplied; (line '50') See E5010  STARTING AND RECHARING; in this position several circuits are disconnected ('INT/A' line): 1 of connector B;
• in the PARK position the side lights are supplied ('POS' line); 3 of connector B;