199002273 - I023 HIGH BEAM (ONE) RH OR LH DOES NOT COME ON OR COMES ON IRREGULARLY

One of the two main headlamps is not working;
The main beam headlamps are controlled by the Body Computer Node via a relay located in the Engine Compartment Junction Unit.
Test results
1ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the condition of the protective fuse in the engine compartment junction unit.    See E2012 MAIN BEAM HEADLAMPS Move on to Step 2Fuse blownCheck the wiring insulation by continuing to step 3, then replace the fuse    See E2012 MAIN BEAM HEADLAMPS
2HIGH BEAM BULB CONDITION CHECKAll OKProblems encounteredOperation
Check the condition of the high beam bulbMove on to Step 3Bulb burnt outReplace the bulb    Op. 5540B24 MAIN BEAM BULB (ONE) FOR ONE HEADLAMP/LIGHT CLUSTER LH OR RH - R.R
3ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the continuity and the insulation of the wiring between the front lamp and the Engine Compartment Control Unit    See E2012 MAIN BEAM HEADLAMPS Move on to Step 4Interruption or no insulation for the electrical connectionRestore the electrical connection    See E2012 MAIN BEAM HEADLAMPS
4ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the continuity and the insulation of the wiring between the outlet connector for the Engine Compartment Control Unit and the Protective Fuse    See E2012 MAIN BEAM HEADLAMPS Move on to Step 5Interruption or no insulation for the Dashboard Junction Unit internal connectionReplace the engine compartment junction unit    Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.
5LIGHT CLUSTER ELECRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check the condition of the wiring inside the light cluster between the headlamp connector and the high beam bulbEnd of diagnosisInternal wires broken or not insulatedRestore the electrical connection, if necessary, replace the front light cluster    Op. 5540B07 LEFT FRONT HEADLAMP - R.R and/or    Op. 5540B08 RIGHT FRONT HEADLAMP - R.R