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Alfa Romeo GT Factory Service Manual (2003-2010)22 · Fault diagnosis
22 · Diagnostics

Rear fog lamps not working

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Lights › Rear fog lamps not working
Fault diagnosisRear fog lamps not working

REAR FOG LAMPS NOT WORKING

When the rear fog lamp switch is operated with the dipped beam headlamps on (or front fog lamps on), the rear fog lamp does not work, and this fault is indicated by the relevant warning light.

Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
With the ignition ON, check that the dipped headlamps are working properly and that when they are activated the rear fog lamp can be switched on using the control panelEnd of diagnosisThe dipped headlamps are not activated

Continue according to the instructions in

See table

See table I05 DIPPED HEADLAMPS NOT WORKING

The reversing light is not activatedContinue to Step 1
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the Examiner to the diagnostic socket.

Check that there are no faults in the Body Computer

Check light operation while in active diagnosis mode

Continue to Step 4There are faults in the Body ComputerContinue to Step 2
2CHECK ON INDIVIDUAL LIGHTAll OKProblems metOperation
Check the condition of the individual bulbs and the rear fog lampContinue to Step 3Bulb damaged

Change the bulb Op.

Op. 5540E14 BULB (ONE) FOR ONE REAR LAMP R+R

Bulb holder faulty

Renew or replace the rear fog lamp Op.

Op. 5540E10 REAR FOG LAMP (ONE), LH OR RH - R+R

3CHECK ON REAR FOG LAMP ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • connections between rear fog lamp switch and Body Computer
  • connections between Body Computer and bulbs;
  • bulb earth;
  • Rear fog lamp switch earth See

    See E2031 REAR FOG LAMPS

Continue to Step 4Connections broken

Restore the connections See

See E2031 REAR FOG LAMPS

Faulty earth

Restore earth See

See E2031 REAR FOG LAMPS

4CHECK ON REAR FOG LAMP SWITCHAll OKProblems metOperation

Check rear fog lamp switch operation See

See E2031 REAR FOG LAMPS

Continue to Step 5Rear fog lamp switch faultyReplace the rear fog lamps switch Op. 5540E18
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis

Parts & tools for this job For 2003 Alfa Romeo GT

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