One headlamp remains immobile in any position

Make: Lancia
Model: Thesis Factory Service Manual
Year: 2002–2009
Section: Lights › One headlamp remains immobile in any position

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Fault diagnosisOne headlamp remains immobile in any position

ONE HEADLAMP REMAINS IMMOBILE IN ANY POSITION

The alignment of the headlamps is corrected automatically and continuously by a Headlamp Alignment Corrector (C.A.F.) control unit;

the correction of the headlamp alignment is activated by switching the dipped headlamps on;

the C.A.F. control unit has an autodiagnostic function and, if there are errors in the various components, it controls the warning light (matrix message) in the Instrument Panel Node.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the Headlamp Alignment Corrector control unit: that there are no faults	Move on to Step	Presence of faults	Continue following the instructions for the diagnostic equipment
2	ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity/insulation between:C.A.F. control unit and input connect at left or right front healamp	Move on to Step	Electrical connection interrupted	Restore the electrical connection (Wiring Diagram ) E3080 HEADLAMP ALIGNMENT CORRECTOR
3	CHECK ON CONDITION OF ADJUSTMENT MOTOR AND MECHANICAL CONNECTION WITH INTERNAL PARABOLA.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Remove the headlamp from its housing, dismantle it at the bench and check the condition of the motor and the headlamp internal mechanical connections	Move on to Step	Motor or mechanical connections damaged	Replace the headlamp or the motor See in Op. 5540C40 MOTOR (one), left or right for correcting/aligning gas discharge light CLUSTERS - R.R.
4	CHECK ON CORRECT OPERATION.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Fault persists	Replace the headlamp alignment corrector control unit See in Op. 5540C50 Gas discharge LIGHT CLUSTER CORRECTION/ALIGNMENT CONTROL UNIT - R.R.

‹ Prev The courtesy lights do not go out/come on gradually Next › Headlamp alignment corrector not working

Parts & tools for this job For 2002 Lancia Thesis

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