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 sourceSee 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;

Passive entry

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 M89See E7065 ELECTRIC STEERING LOCK.