3360250 - I50 INTERIOR LIGHTS NOT WORKING / UNDER NO CIRCUMSTANCES

Interior lights do not come on at all
Front interior lights are controlled by the NBC The rear interior lights are controlled separately by the NPG for the left light and the NPP for the right light. Both nodes also manage the dimmer function. The on and off command is issued by the NBC via the B-CAN line.
Results of the tests
1CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the wiring between Body Computer Node and junction unit See   E2510  COURTESY LIGHTS Continue to Step 2Wiring brokenRenew the wiring See   E2510  COURTESY LIGHTS
2CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the electrical continuity of the wiring between junction unit and front and rear courtesy lights See   E2510  COURTESY LIGHTS Continue to Step 3Wiring brokenRenew the wiring See   E2510  COURTESY LIGHTS
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Checking correct operation of interior lightsLights not working properlyReplace the Body Computer Op. 5505A32Search for the fault starting from another symptom'