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Fiat Doblò Factory Service Manual (2000-2010)22 · Fault diagnosis
22 · Diagnostics

Interior front light not working

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Lights › Interior front light not working
Fault diagnosisInterior front light not working

INTERIOR FRONT LIGHT NOT WORKING

The interior lights do not work when one of the side doors is opened

Results of the tests
1CHECK INDIVIDUAL LIGHTSAll OKProblems metOperation
Check the condition of the individual bulbs and complete bulb holder assemblyContinue to Step 2Front courtesy light or bulb faultyRepair or replace the courtesy light Op. 7040E50
Faulty boot bulb or bulb holderRestore or replace the bulb holder Op. 7040G40
2CHECK ON INTERIOR LIGHTING ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • connections between switch on pillar and Body Computer
  • connections between Body Computer and courtesy lights
  • courtesy light earth connection See E2510 COURTESY LIGHTS,
Continue to Step 3Connections not correctRestore connections See E2510 COURTESY LIGHTS
Faulty earth on courtesy lightsRestore the correct earth connection See E2510 COURTESY LIGHTS
3CHECK ON SIGNALAll OKProblems metOperation
Check that when one of the side doors is opened, an earth signal is sent from the Body Computer to the courtesy lightContinue to Step 4No earth signal from Body ComputerRestore the correct supply to the Body Computer. If necessary, replace the Body Computer Op. 5505A32
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 2000 Fiat Doblò

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