16 · Diagnostics

Q05 Sunroof jamming

Fault diagnosisQ05 Sunroof jamming

When the control is operated, the sun-roof opens/closes in irregular manner. It sticks at some points or remains locked at an angle

Step	Test procedure	Result	Action
1	CHECKING SUN-ROOF Remove the glass Op. 7030B18 Check the sun-roof operating devices are working properly. Check in particular: control cable condition slide and guide condition presence of end travel blocks	OK	Move onto step 2
		Dirty guides	Clean the guides and repair the slide mechanism End of diagnosis
		End stop screws missing Replace the screws and the entire slide mechanism Guides disconnected	Repair the slide mechanism Op. 7030B50 End of diagnosis
2	CHECKING SUN-ROOF CONTROL DEVICES Remove the motor. Op. 7030B70 Check that sun-roof opening devices are working properly. Check in particular: condition of motor pinion control cable condition	OK	Move onto step 3
2		faults in sun-roof operating devices	Replace the components involved End of diagnosis
3	CHECKING SUN-ROOF CONTROL DEVICE ALIGNMENT Check installation of the sun-roof assembly In particular, ascertain: slides are properly aligned with timing points flexible racks are properly secured and undamaged	OK	Move onto step 4
3		Faulty fitting of the sunroof	Refit the sunroof correctly Op. 7030B54 End of diagnosis
4	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
4		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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