323000760 - E1010 POWER SUPPLY SYSTEM - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

All the electrical systems and circuits are supplied by the battery A001.A terminal block on the battery positive terminal (connectors A and B of A001) is connected to starter motor A020 and engine compartment junction unit B001 (pin 1 of connector X) respectively.    See E5010 STARTING AND RECHARING In the same way, according to the version, the vehicle power circuits are directly connected to the negative battery terminal (connectors C, D, E and F of A001).    See E1020 EARTHS The main supply lines are protected by fuses in engine compartment junction unit B001, in particular:- F01 supplies junction unit under the dashboard B002, at pin A of connector B;- F02 supplies junction unit under the dashboard B002, at pin B of connector B (relay T13 in particular);- F03 supplies the ignition switch H001 (30, pin 2 of connector A).The starter motor A020 and the alternator A010 are connected directly to the battery via a dedicated line.Other circuits are supplied by turning the ignition key H001 to various positions:- in the MAR position numerous ignition-operated protected circuits and services are supplied (INT and 15/54 lines) respecitvely from pin 2 connector B and from pin 1 of connector A of H001;- in the AVV position the starter motor (line 50) is supplied from pin 3 of connector A of H001. Also, in this position some circuits are disconnected (INT/A line) from pin 1 of connector B of H001.    See E5010 STARTING AND RECHARING