E1010 SUPPLY - FUNCTIONAL DESCRIPTION (GTA) - Alfa - 147 - eLearn

Functional description

All the electrical equipment and systems are supplied by the battery A1 .

The main supply lines are protected by the MAXIFUSE box B5 which contains the fuses named according to the circuits protected:

ABS: See E7020 ABS
IGN: ignition switch supply H1, pin 2 of connector A
SEL: See E7051 ROBOTIZED GEARBOX.
A/C: See E6020 AIR CONDITIONING
IE: engine management fuses and relays supply (relay T9 of the engine compartment relay junction unit B1 connector B);
FAN1: See E5020 ENGINE COOLING;
FAN2: See E5020 ENGINE COOLING;
JB/3: supply for services via engine compartment junction unit B1, connector C;
CPL1 : underdashboard junction unit supply B2 , at pin A of connector C;
CPL2 : underdashboard junction unit supply B2 , at pin B of connector C 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;