312000241 - I081 HEADLAMP ALIGNMENT ADJUSTER (ONE) RH OR LH NOT WORKING

The left or right adjustment cannot be carried out with the dipped headlamps onN.B. the dipped beam headlamp adjustment button in the control panel sends the command directly to the Instrument Panel Node (NQS) which controls the actuator motors sending appropriate voltage signals.
Test results
1ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the continuity of the wiring between the LH or RH headlamp and the dashboard control unitCheck the continuity of the wiring between the LH or RH headlamp and the control panel    See E3080 HEADLAMP AGLINMENT CORRECTOR Move on to Step 21.Wiring between RH or LH headlamp and dashboard control unit interrupted2.Headlamp adjuster power supply interrupted1. Restore correct wiring    See E3080 HEADLAMP AGLINMENT CORRECTOR 2. Restore correct power supply.
2ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check connection to earth of left or right motor    See E3080 HEADLAMP AGLINMENT CORRECTOR Move on to Step 3Connection to earth brokenRestore correct wiring    See E3080 HEADLAMP AGLINMENT CORRECTOR
3HEADLAMP ALIGNMENT ADJUSTMENT CHECKAll OKProblems encounteredOperation
Check that the left or right headlamp alignment corrector is working properlyMove on to Step 41.Right headlamp adjuster defective2.Left headlamp adjuster defective1.Replace RH headlampOp. 5540B08 RIGHT FRONT HEADLAMP - R.R2.Replace LH headlampOp. 5540B07 LEFT FRONT HEADLAMP - R.R
4HEADLAMP ADJUSTMENT CONTROL BUTTONS CHECKAll OKProblems encounteredOperation
Check the correct operation of the headlamp adjustment UP and DOWN buttonsEnd of diagnosisButtons faultyReplace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R