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Fiat Doblò Factory Service Manual (2000-2010)19 · Wiring diagrams and electrical functions
19 · Electrical

Dipped headlights - functional description

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Exterior lighting › Dipped headlights - functional description
Wiring diagrams and electrical functionsDipped headlights - functional description

DIPPED HEADLIGHTS - FUNCTIONAL DESCRIPTION

1.4 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · MY 2005

The dipped beams are activated by an earth signal from stalk unit H05 when the wheel is operated and reach body computer M01 at pin 4 connector D.

With the key of, pin 33 connector F of the body computer receives a signal from the stalk unit that activates the follow me home function.

To turn on the dipped beams, body computer M01 activates a relay F1 contained in under-dashboard junction unit B02 that receives a direct power supply protected by fuse F1 contained in under-dashboard junction unit B01 and sends it to the two right and left headlamps.

Each line is protected by a fuse in the under-dashboard junction unit B02. F13 for the left headlamp and F12 for the right.

An ignition-controlled signal (INT) from ignition switch H01 reaches pin 11 connector E of under-dashboard junction unit B02.

The direct signal to the left headlamp is also sent to instrument panel E50 at pin 7 of connector A for functions that require this enablement signal.

Instrument panel E50 also communicates with body computer M01 via pins 8 and 9 connector A and receives supply lines at pins 1 and 3 connector A. It also receives an earth signal at pin 2 connector A.

In the Natural Power (1.6 16v Bipower) version, the direct signal to the left headlamp is also sent to instrument panel E50 at pin 6 of connector A for functions that require this enablement signal.

Instrument panel E50 also communicates with body computer M01 via pins 4 and 3 connector A and receives supply lines at pins 1 and 2 connector A. It also receives an earth signal at pin 7 connector A.

The left headlamp signal and right headlamp signals are both used to operate the headlamp alignment corrector.

For further details,

See E3080 HEADLAMP AGLINMENT CORRECTOR

Parts & tools for this job For 2000 Fiat Doblò

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