199002274 - I024 MAIN BEAM HEADLAMPS DO NOT COME ON

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 2Fuses blownCheck the wiring insulation by continuing to step 3, then replace the fuses    See E2012 MAIN BEAM HEADLAMPS
2BULB CONDITION CHECKAll OKProblems encounteredOperation
Check the condition of the high beam bulbsMove on to Step 3Bulbs burnt outReplace the bulbs    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 4Electrical connections broken or lacking insulationRenew the electrical connections    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 bulbMove on to Step 6Internal 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
6LIGHTING STALK CHECKAll OKProblems encounteredOperation
Connect an Examiner to the Body Computer node to check the correct operation of the light stalk contacts on the high beam positionMove on to Step 7Light stalk defectiveReplace the stalk    Op. 5550A10 STALK UNIT ASSEMBLY - R+R
7CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace body computer    Op. 5505A32 BODY COMPUTER - R.R