		TEST RESULTS
1	CHECK ON ALIGNMENT SENSOR WIRING	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the rear alignment sensor wiring. Check that the rear alignment sensor is correctly fitted, in particular that the fastening of the bracket and connecting rod is correct	Move on to Step 2	1. Wiring short circuited to +Vbatt or Earth 2. Wiring to rear sensor interrupted 3. Mechanical installation of rear sensor (brackets, connecting rod) not correct	1. Restore the wiring insulation See E2011 DIPPED HEADLAMPS 2. Restore or, if necessary, replace the rear sensor wiring 3. Refit the rear sensor correctly. Op. 5540C46 SENSOR FOR CORRECTING/ALIGNING GAS DISCHARGE LIGHTING UNITS ON REAR SUSPENSION - R R
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that there are no errors by connecting to the left or right headlamp control unit	End of diagnosis	1. Presence of error detected B1020 - Front sensor signal 2. Presence of error detected B1021 - Rear sensor signal 3. Presence of error detected B1040 - Headlamp alignment corrector.	1. Move on to Step 3 2. Move on to Step 3 3. Move on to Step 4
3	ALIGNMENT SENSORS POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the alignment sensors are receiving the correct power supply See Test 5540BB HEADLAMP ALIGNMENT SENSOR CHECK	Move on to Step 4
4	CHECK ON CONNECTIONS INSIDE THE HEADLAMPS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the connections inside the headlamp vertical adjustment motors are correctly connected See Test 5540BI HEADLAMP ALIGNMENT CORRECTOR POWER SUPPLY CHECK	Move on to Step 5
5	HEADLAMP ALIGNMENT ACTUATORS OPERATION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Replace the headlamps and, using the diagnostic equipment in active diagnosis, check that the actuators are working properly.	End of diagnosis

APPLIES TO VERSIONS WITH: Gas discharge headlamps

Both the headlamps come on, the initial test is carried out and they remain immobile, facing downwards