312000655 - K090 INSTRUMENT LIGHTS NOT WORKING

The instruments do not light up with the ignition turned to MARCIA.
The management of the internal display illumination is linked to the passenger compartment internal light. There is an internal brightness sensor in the control panel, located in the upper left-hand part
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the side lights are activated correctly using the steering interface with the ignition key to MARMove on to Step 1Not even the side lights are workingContinue as instructed in theSee table I008 SIDE LIGHTS NOT WORKING
1ACTIVE DIAGNOSIS CHECKAll OKProblems encounteredOperation
With the Examiner in Instrument Panel Node mode, check that the panel lighting activates correctly in Active Diagnosis.Move on to Step 2The panel lighting does not activateReplace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
2CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsReplace Body Computer    Op. 5505A32 BODY COMPUTER - R.R