2888371 - I06 MAIN BEAM HEADLAMPS NOT WORKING

With the dipped headlamps switched on (stable position) or in the flashing mode, when the steering column switch unit lever is operated, the main beam headlamps do not work.
Results of the tests
1CHECK INDIVIDUAL LIGHTSAll OKProblems metOperation
Check the condition of the individual bulbs and the light clusterContinue to Step 2Bulb damagedChange bulbs
Light unit faultyRenew or replace the main beam headlamp Op. 5540B18
2MAIN BEAM HEADLAMPS ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation

Check, in order:

  • left and right main beam headlamp fuses
  • connections between steering column switch unit and junction unit
  • connection between junction unit and bulbs
  • bulb earth
( See   E2012  MAIN BEAM HEADLAMPS ).
Continue to Step 3Component defectiveReplace the component involved (if a fuse is involved, search for the cause of the problem)
Connections brokenRestore the connections
3STEERING COLUMN SWITCH UNIT CHECKAll OKProblems metOperation
Check the stalk unit is working properly: in particular, check the side light switch see DESCRIPTION AND OPERATION: 5550A stalk unitContinue to Step 4Stalk unit not working properlyReplace the steering column switch unit Op.   5550A12 
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'