192004686 - 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;
• CPL1 : underdashboard junction unit supply B2 , at pin A of connector C;
• CPL2 : underdashboard junction unit supply B2 , at pin B of connector C
• PTC2 : supplementary heater power source    E6015 ADDITIONAL HEATER.

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;

Functional description

if the Passive Entry system is fitted, there is no ignition key/switch: the connectors for the ignition switch H1 are connected to the steering lock control unit M89    E7065 ELECTRIC STEERING LOCK.