198001755 - I008 SIDE LIGHTS NOT WORKING

When the stalk switch wheel is operated with the key ON, the side lights and/or number plate lights do not work.
1PRELIMINARY CHECKAll OKProblems encounteredOperation
Check correct battery voltageMove on to Step 2Battery voltage incorrect.Restore the correct voltage
2All OKProblems encounteredOperation
Using an Examiner in Body Computer mode, check that there are no errorsMove on to Step 3Presence of errorsContinue as instructed by the diagnostic equipment
3CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
With the Examiner diagnostic equipment in the Body Computer ambient check that the function in question is correctly activated in Active Diagnosis.- Front/rear left/right side light controlMove on to Step 4Side lights will not light because of blown light bulbsCheck the alternator is working correctly and replace the light bulbs
4STEERING COLUMN SWITCH UNIT CHECKAll OKProblems encounteredOperation
Check that the steering column switch unit is working properly, especially the switch for the side lights and the engagement of the relay in the Body ComputerMove on to Step 5Stalk unit not working properlyReplace the steering column switch unit    Op. 5550A10 STALK UNIT ASSEMBLY - R+R
Steering column switch unit connection to earth brokenRestore the correct earth connection
Wiring between stalk and Body Computer interruptedRestore correct wiring    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
5CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Check that the body computer is working properlyEnd of diagnosisBody Computer faultyReplace Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.