Workshop Manuals Factory service & repair Fiat
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Fiat Stilo Factory Service Manual (2001-2007)22 · Fault diagnosis
22 · Diagnostics

Number plate light not working

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Lights › Number plate light not working
Fault diagnosisNumber plate light not working

NUMBER PLATE LIGHT NOT WORKING

The number plate lights are turned on separately (RH and LH) from the Body Computer Node when a Side Light on or Parking light on (four lights) signal is received

Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the Examiner to the tester input and check the body computer for:

  • faults
Continue to Step 3Number plate light short-circuited or with circuit openA.Continue to Step 2
2CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation

Check the condition of the bulbs or bulb affected RH or LH

  • Check the continuity and the insulation of the wires between the Body Computer connections and the number plate light connector or affected wiring RH or LH.
  • Check the continuity and the efficiency of the number plate light earth
  • Check the condition of the number plate light internal circuit See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
Continue to Step 3Bulbs faultyChange the bulbs or bulb
Connection between body computer and number plate light connector with o.c. or s.c.Renew the electrical connections See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
Earth broken or inefficientRenew the electrical connections See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
Circuit with o.c. or s.c.Change light Op. 5550D24
3CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Keeping the diagnostic equipment connected, check number plate light bulb operation by mean of active diagnosis:Continue to Step 4No light comes onReplace the Body Computer Op. 5505A32
4CHECKING 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 2001 Fiat Stilo

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