Dipped headlamps lowerd and not moving

Make: Fiat
Model: Bravo Factory Service Manual
Year: 2007–2014
Section: Lights › Dipped headlamps lowerd and not moving

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Fault diagnosisDipped headlamps lowerd and not moving

DIPPED HEADLAMPS LOWERD AND NOT MOVING

Xenon Gas headlamps

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

1	CHECK ON ALIGNMENT SENSOR WIRING	All OK	Problems encountered	Operation
		Test results
	Check that the alignment sensors are correctly fitted. Check that the alignment sensors are correctly installed and, in particular, that the fastening of the bracket with the connecting rod is correct	Move on to Step 2	Wiring short circuited with +Vbatt or to earth	Restore insulation for wiring See E2011 DIPPED HEADLAMPS
			Wiring broken	Restore or, if necessary, replace the wiring
			Mechanical installation of front sensor (brackets, connecting rods) incorrect	Refit front sensor correctly Op. 5540C42
			Mechanical installation of rear sensor (brackets, connecting rods) incorrect	Refit rear sensor correctly Op. 5540C46
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Check that there are no errors by connecting to the master headlamp (left) control unit.	End of diagnosis	Presence of error B1020 detected - Front sensor signal	Move on to Step 3
			Presence of error B1021 detected - Rear sensor signal	Move on to Step 3
			Presence of error B1022 detected - Sensor supply	Move on to Step 3
			Presence of error B1030 detected - master/slave communication	Move on to Step 4
			Presence of error B1040 detected - Headlamp alignment corrector	Move on to Step 5
3	CHECK ON ALIGNMENT SENSORS SUPPLY	All OK	Problems encountered	Operation
	Check that the alignment sensors are receiving a correct supply by carrying out the See Test 5540BB CHECK ALIGNMENT SENSORS	Move on to Step 4
4	BIDIRECTIONAL SERIAL LINE CHECK	All OK	Problems encountered	Operation
	Check the continuity and the insulation of the two-way serial line between the master and slave headlamps, carrying out the test See Test 5540BL BIDIRECTIONAL SERIAL LINE CHECK	Move on to Step 5
5	CHECK ON CONNECTIONS INSIDE THE HEADLAMPS	All OK	Problems encountered	Operation
	Check that the connections inside the headlamps for the vertical adjustment motors are correctly connected by carrying out the test See Test 5540BK CHECK THE CONTINUITY OF THE LOW BEAM WIRING INSIDE THE HEADLAMP	Move on to Step 6
6	CHECK ON OPERATION OF HEADLAMP ALIGNMENT ACTUATORS	All OK	Problems encountered	Operation
	Replace the headlamps and check in active diagnosis that the diagnostic equipment activates the correct operation of the actuators	End of diagnosis	Right headlamp alignment corrector not working	Move on to Step 7
		End of diagnosis	Left headlamp alignment corrector not working	Move on to Step 7
7	CORRECT OPERATION CHECK	All OK	Problems encountered	Operation
	Refit the headlamps replaced previously and replace the ballast control units	End of diagnosis	The fault persists.	Contact the Service Department for further information on the problem

‹ Prev Dipped headlamps do not light up as they should Next › Headlamp alignment correction not carried out correctly (with vehicle in motion)

Parts & tools for this job For 2007 Fiat Bravo

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