184000440 - I01 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING

With the ignition key in the ON position, when the steering column switch unit ring nut is operated, the side lights or the no. plate lights do not work.
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner to the diagnostic socket

Check:

  • that there are no faults in the Body Computer
  • the operation of the lights in active diagnosis.
Continue to Step 3Body Computer faultyContinue according to the diagnostic equipment instructions
2CHECK ON INDIVIDUAL LIGHTSAll OKProblems metOperation
Check the condition of the individual bulbs and complete bulb holder assemblyContinue to Step 3Front bulb damagedReplace the bulb Op. 5540B32
Rear bulb damagedReplace the bulb Op. 5540A50
Front right light cluster faultyRepair or replace front lights cluster Op. 5540B79
Front left light cluster faultyRepair or replace front lights cluster Op. 5540B78
Rear light cluster faultyRepair or replace the rear light cluster Op. 5540A44
No. plate lights faultyRenew or replace the no. plate lights Op. 5540A94
3CHECK ON SIDE LIGHTS ELECTRICAL CIRCUITAll OKProblems metOperation

check

  • connections between Body Computer and steering column switch unit;
  • connections between ignition switch and Body Computer
  • connections between Body Computer and bulbs;
  • bulb earth See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
Continue to Step 4Connections brokenRestore the connections See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
4CHECK ON STEERING COLUMN SWITCH UNITAll OKProblems metOperation
Check that the steering column switch unit is working properly: in particular, the side lights switch:Continue to Step 5Stalk unit not working properlyReplace the stalk unit Op. 5550A12
5CHECK ON IGNITION SWITCHAll OKProblems metOperation
Check that the side lights come on when the ignition key is turned in the opposite directionContinue to Step 6Ignition switch faultyRenew or replace the ignition switch Op. 5520A12
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the Body Computer Op. 5505A32