18 · 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
0	PRELIMINARY CHECKS Check that there are no foreign bodies or dirt in the runners and the guides	OK	Move onto step 1
0		Presence of dirt or foreign bodies along the runners or guides	Clean the runners and the guides End of diagnosis
1	CHECK SUNROOF ALIGNMENT Check that the glass is correctly aligned with the roof profile	OK	Move onto step 2
1		Alignment not correct	Align the glass with the roof profile End of diagnosis
2	SUN ROOF MOTOR TIMING CHECK Check that the motor timing is correct	OK	Move onto step 3
2		Alignment not correct	Restore the correct timing End of diagnosis
3	CHECKING SUN-ROOF CONTROL DEVICES Remove the sun roof assembly and check: That the stop screws for the drive cables are fitted Wear of drive cables Runner pads broken or worn Runners broken or worn Runner guides broken	OK	Move onto step 4
		Bolts missing	Restore the bolts End of diagnosis
		Cables, runners or guide pads broken or worn	Replace the damaged components Op. 7030B14 End of diagnosis
		Runner guides broken or worn	Replace the sun roof assembly Op. 7030B12 End of diagnosis
4	CORRECT OPERATION CHECK Check that the fault is no longer present	OK	Incorrect selection of diagnostic procedure
4		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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