3315519 - E1010 SUPPLY - Functional description

Functional description

All electrical equipment and systems are supplied by battery A1, located in the boot compartment: two junction units distribute power to the various parts of the car.

  • junction unit A6 is located at the rear. This is protected by MAXIFUSE for rear services B4 (60A). It sends power to all services with control units or systems located in the boot compartment.
  • terminal board A5 is located at the front - in the engine bay. This is protected by master power supply MAXIFUSE B2 (125A and 150A for 2.4 JTD engines):it sends power to all services with control units or systems located in the engine bay.

The other supply lines leading to junction unit B1 and ignition switch H1 are protected by both MAXIFUSES B5:

  • ACC (30A) for supply to ignition switch H1 ;
  • CENTR (60A) for supply for services via fuses for junction unit B1

Other circuits are supplied by turning ignition key H1 to various different positions:

  • certain ignition-operated services are supplied when the key is turned to MAR;
  • in the AVV position - the starter motor is supplied; (line '50') ( See E5010  STARTING AND RECHARING);
  • certain services which are ignition-operated except at start-up are disconnected in this position (INT/A line)