O10 Front seat squab lumbar adjustment not working

Fault diagnosisO10 Front seat squab lumbar adjustment not working

When the appropriate knob is operated, the squab does not straighten ("lumbar" adjustment)

Step	Test procedure	Result	Action
1	CHECK LUMBAR ADJUSTMENT DEVICE Check the lumbar adjustment device (knob) In particular, check its condition and that it is fixed correctly	OK	Move onto step 2
1		Knob faulty	Repair or replace lumbar adjustment knob Op. 7045A25 End of diagnosis
2	CHECK LUMBAR ADJUSTMENT MECHANISM Remove the squab cover (Op. 7045A21 ). Check that there are no obstacles or foreign material in the lumbar adjustment mechanism Check the condition of the traction mechanism cables: they must not be damaged, nor must they emerge from their seating.	OK	Move onto step 3
		Presence of obstacles or dirt along the travel	Restore the correct operation of the mechanism End of diagnosis
		Faulty lumbar adjustment mechanism	Repair or replace the device Op. 7045A38 End of diagnosis
3	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job Staging For 1997 Alfa Romeo 156

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.