Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Fiat Panda Factory Service Manual (2003-2012)23 · Fault diagnosis
23 · Diagnostics

Interior lights not working / under no circumstances

Make
Fiat
Model
Panda Factory Service Manual
Year
2003–2012
Section
Lights › Interior lights not working / under no circumstances
Fault diagnosisInterior lights not working / under no circumstances

INTERIOR LIGHTS NOT WORKING / UNDER NO CIRCUMSTANCES

The interior lights do not work when the relevant controls are operated (including the boot light).

Results of the tests
1CHECK ON INDIVIDUAL LIGHTSAll OKProblems metOperation

Check:

  • condition of individual bulbs
  • condition of the relevant bulb holders
  • state and operation of courtesy light switches
Continue to Step 2Front courtesy light bulb faultyChange the bulb Op. 7040E80
Front courtesy light bulb faultyRestore or replace the courtesy light Op. 7040E10
Front courtesy light bulb faultyRestore or replace the bulb holder Op. 7040G40
2CHECK ON INTERIOR LIGHTING ELECTRICAL CIRCUITAll OKProblems metOperation

Check, in order:

  • Body Computer supply;
  • connections between courtesy lights and Body Computer;
  • connection to +30 courtesy lights;
  • courtesy light earth connection See E2510 COURTESY LIGHTS
Continue to Step 3Connections not correctRestore the correct connections See E2510 COURTESY LIGHTS
Connections not correctRestore the earth connection See E2510 COURTESY LIGHTS
Connections not correctRestore connection See E2510 COURTESY LIGHTS
3CHECK ON SIGNALAll OKProblems metOperation
Check that when the driver's front door or the boot 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
3CHECK ON SIGNALAll OKProblems metOperation
Check that when one of the side doors or the boot 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 presentEnd of diagnosis

Parts & tools for this job For 2003 Fiat Panda

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