199000813 - I048 FRONT INTERIOR LIGHTS NOT WORKING

The front interior lights do not work correctly when the controls are operated under any circumstances.
Test results
1INDIVIDUAL BULB CHECKAll OKProblems encounteredOperation
Check:- the condition of the individual bulbs;- the condition of the bulb holder assemblies;- the state and operation of the courtesy light switchesMove on to Step 21. Courtesy light bulb fault2. Front courtesy light fault1. Replace the bulb    Op. 7040E10 FRONT COURTESY LIGHT - R+R 2. Repair or replace the courtesy light    Op. 7040E10 FRONT COURTESY LIGHT - R+R
2INTERIOR LIGHTS ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check the following, in order:- connections between the courtesy light and Body Computer;- courtesy light earth connection    See E2510 COURTESY LIGHTS Move on to Step 31. Connections not correct2. Interior lights not correctly earthed1. Restore the correct connections    See E2510 COURTESY LIGHTS 2. Restore earth connection    See E2510 COURTESY LIGHTS
3CHECK SIGNALAll OKProblems encounteredOperation
Check that the Body Computer sends a voltage signal to the courtesy light when one of the side doors is openedEnd of diagnosisNo voltage signal from the Body ComputerReplace Body Computer    Op. 5505A32 BODY COMPUTER - R.R