FIAT / DUCATO 244eLearn workshop manual · English · Offline edition
Fault diagnosis

I50 INTERIOR LIGHTS NOT WORKING / UNDER NO CIRCUMSTANCES

Engines: 2.0 16V, 2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V
Engines: 2.0 16V, 2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V
The interior lights do not work when the controls are operated.
Engines: 2.0 16V, 2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V
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 correct1. Restore the correct connections See E2510 COURTESY LIGHTS
2. Earth connection not correct2. Restore earth connection See E2510 COURTESY LIGHTS
3. Power supply connection not correct3. Restore power supply connection See E2510 COURTESY LIGHTS
3DOOR SWITCHES CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check switch operation See E2510 COURTESY LIGHTSMove on to StepSwitches faultyReplace the switches
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present