Operational description

The direct battery power supply is supplied at pin 1 connector A of the engine compartment junction unit B001. This power supply is distributed:

to the junction unit under the dashboard B002 (pin 17, 23) by the line protected by fuse F02;
to the body computer node M001 (pin 1 connector) by the line protected by fuse F01;
to the ignition switch H001 by the line protected by fuse F23.

The three junction units distribute the power supply to the various consumers connected to them protecting the lines withh specific fuses and relays.

Other circuits are supplied by turning the ignition key H001 to various positions:

in the ON position: INT signal (not interrupted during starting);
in the AVV position: INT/A signal (supply interrupted during starting), 15/54 (identical signal to INT), 50 (direct power supply to starter motor See E5010 STARTING AND RECHARING).