198001771 - I049 REAR COURTESY LIGHTS NOT WORKING

The rear interior lights do not work when the controls are operated under any circumstances.
1All OKProblems encounteredOperation
Check:- the condition of the bulb- bulb holder condition- the state and operation of the courtesy light switchMove on to Step 2Courtesy light bulb faultReplace the bulb
Courtesy light faultRepair or replace the courtesy light    Op. 7040E14 L/H OR R/H SIDE COURTESY LIGHT (ONE) - R+R
2INTERIOR LIGHTS ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check the following, in order:- courtesy light earth connection    See E2510 COURTESY LIGHTS Move on to Step 3Connections not correctRestore the correct connections    See E2510 COURTESY LIGHTS
Interior lights not correctly earthedRestore correct earth connection    See E2510 COURTESY LIGHTS
3All OKProblems encounteredOperation
Check that the body computer is working properly.End of diagnosisBody Computer defectiveReplace Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.