Workshop Manuals Factory service & repair Fiat
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Fiat 500 Factory Service Manual (2007-2024)19 · Wiring diagrams and electrical functions
19 · Electrical

Dipped headlights - functional description

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Exterior lighting › Dipped headlights - functional description
Wiring diagrams and electrical functionsDipped headlights - functional description

DIPPED HEADLIGHTS - FUNCTIONAL DESCRIPTION

1.2 8v, 1.3 Multijet, 1.4 16v

FUNCTIONAL DESCRIPTION

Body Computer M001 receives a direct battery power supply (pin 1 of connector A) protected by fuse F01 in engine compartment junction unit B001 (pin 18 of connector B); it also receives an ignition-operated power supply (INT) at pin 11 of connector E.

Body Computer M001 is also connected to driver-side dashboard earth C015 via pins 9 and 10 of connector E.

The activation control for the dipped beam headlights via the left-hand lever control wheel of steering wheel interface H005, receives a reference earth at pin 2 of connector B of the steering wheel interface.

Body Computer M001 (pin 38 of connector D) receives the dipped beam headlights activation command from steering wheel interface H005 (pin 7 of connector B).

Body Computer M001 manages the switching on of the dipped beam headlights in main headlights F010 (left) and F011 (right) (pin 4). Each circuit is controlled by a dedicated relay built into the Body Computer and is protected by a fuse in the Body Computer: F13 for the left-hand headlight (pin 10 of connector C of M001) and F12 for the right-hand headlight (pin 27 of connector C of M001).

Main headlamps F010 (left) and F011 (right) are connected to left-hand front earth C010.

Body Computer M001 receives an ignition-operated (INT/A) power supply that excludes the dipped beam headlights system during start-up, at pin 1 of connector E.

The Follow me home function is activated by a main beam flasher earth signal sent from steering wheel interface H005 (pin 5 of connector B) to Body Computer M001 (pin 36 of connector D).

Body Computer M001 is connected, via the B-CAN line, from pins 18 and 20 of connector D, to instrument panel E050 (pins 5 and 6) to manage the side lights warning light.

Parts & tools for this job For 2007 Fiat 500

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