		TEST RESULTS
1	HEADLAMP CONNECTOR CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the 14-way connector at both headlamps is correctly fitted See E2011 DIPPED HEADLAMPS	Move on to Step 2	Connector at headlamp not correctly fitted	Refit correctly See E2011 DIPPED HEADLAMPS
2	LIGHTS ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fuses are correctly inserted. Check the condition of the wiring from the under-dashboard junction unit to the headlamp See E2011 DIPPED HEADLAMPS Check that the headlamps are correctly supplied See Test 5540BA DIPPED BEAM CIRCUIT CHECK	Move on to Step 3
3	CONTROL UNIT CONNECTORS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the connector for the screened cable for the headlamp bulb is correctly fitted in the housing for the bulb connector.	Move on to Step 4	Screened cable not correctly fitted on the bulb	Refit correctly (Right and left headlamps) See E2011 DIPPED HEADLAMPS
4	CHECK ON OPERATION OF BULBS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check whether the fault disappears if the bulbs are replaced	End of diagnosis	The fault persists	Move on to Step 5
5	CHECK ON OPERATION OF BALLAST CONTROL UNITS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Replace the ballast control units Op. 5540B40 CONTROL UNIT IN LEFT GAS DISCHARGE LIGHT CLUSTER - R.R. Op. 5540B41 CONTROL UNIT IN RIGHT GAS DISCHARGE LIGHT CLUSTER - R.R. and check that the dipped headlamps are working properly	End of diagnosis

APPLIES TO VERSIONS WITH: Gas discharge headlamps

The headlamps come on normally, but they go off/come back on or flash during operation.