3239249 - E1010 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:
- J/B1: supply for services through the junction unit
- IGN : ignition switch supply;
- J/B2 : supply for services through the junction unit
- A/C: air conditioning system supply
- EFI : supply for fuses and relays for engine management
- FAN1 : engine cooling fan supply;
- FAN2: engine cooling fan supply
- GLOW: diesel glow plugs supply
The fuse box also contains two 'MIDI' fuses located directly on the battery and named according to the circuits protected.
- ABS: supply to ABS: A1, connector C.
- JTD versions
- HEAT: additional heater supply: A1, connector D
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.
- in the AVV position - the starter motor is supplied; (line '50') ( See E5010 STARTING AND RECHARING): In this position several circuits are disconnected (line 'INT/A'.
- in the PARK position the side lights are supplied ('STAZ' and 'POS' lines); See E2010 SIDE LIGHTS / NO. PLATE LIGHTS