Workshop Manuals Factory service & repair Fiat
Fiat Ducato Factory Service Manual (2002-2006)23 · Fault diagnosis
23 · Diagnostics

Interior lights not working / under no circumstances

Make
Fiat
Model
Ducato Factory Service Manual
Year
2002–2006
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 controls are operated.

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1INDIVIDUAL BULB CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check:

  • the state and operation of the courtesy light switches;
  • Condition of the fuses;
  • the condition of the individual bulbs;
  • the condition of the bulb holder assemblies;
Move on to Step1. Bulb or courtesy light faulty.1. Repair or replace the courtesy light
2. Fuse/s blown.2. Replace fuse/s and find out what could have caused them to blow.
3. Bulb or bulb holder faulty3. Repair or replace the bulb holder
2INTERIOR LIGHTS ELECTRICAL CIRCUIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check the following, in order:

  • switch control panel power supply
  • connections between switch panel and switches on doors
  • connections between courtesy lights and switch control unit
  • connections between courtesy lights and switches
  • courtesy light earth connection
  • switch earth connection
Move on to Step1. Connections not correct

1. Restore the correct connections

See E2510 COURTESY LIGHTS

2. Earth connection not correct

2. Restore earth connection

See E2510 COURTESY LIGHTS

3. Power supply connection not correct

3. Restore power supply connection

See E2510 COURTESY LIGHTS

3DOOR SWITCHES CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check switch operation

See E2510 COURTESY LIGHTS

Move on to StepSwitches faultyReplace the switches
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present

Parts & tools for this job For 2002 Fiat Ducato

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