Workshop Manuals Factory service & repair Fiat
Fiat Bravo Factory Service Manual (2007-2014)22 · Fault diagnosis
22 · Diagnostics

Horns not working

Make
Fiat
Model
Bravo Factory Service Manual
Year
2007–2014
Section
Radio and accessories etc. › Horns not working
Fault diagnosisHorns not working

HORNS NOT WORKING

TEST RESULTS
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check, by operating the horn control on the steering wheel, that the travel is correct.Move on to Step 1Travel not correct.

Remove the steering wheel

Op. 4110A10 STEERING WHEEL - R+R FOR REPLACEMENT OR CHECKS

and check that there are no impediments to the travel. If there are problems, replace the faulty component

1CHECK ON INTERVENTION OF FUSEALL OKPROBLEMS ENCOUNTEREDACTION
Check that the 15A horn protective fuse F10 has not blown.Move on to Step 2The fuse has blown.Replace the fuse and search for the cause of the problem.
2RELAY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the horn relay feed T03 (20 A) is working properly.Move on to Step 3Relay defectiveReplace the relay
3RELAY ELECTRICAL CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Undo the fastenings for the engine compartment junction unit

Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.

and check, using a tester, that the power supply for the horn relay feed is correct.

Move on to Step 4Power supply interruptedRestore correct power supply
4HORN CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Remove the horn

Op. 5550B30 L/H OR R/H HORN (ONE) - R+R

and connect it directly to a battery charger. Check that a sound produced and that there are no unpleasant noises (knocking/buzzing).

End of diagnosisSound faulty or no sound produced.

Replace the horn

Op. 5550B30 L/H OR R/H HORN (ONE) - R+R

Parts & tools for this job For 2007 Fiat Bravo

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