22 · Diagnostics

Climate control sends air irregularly

Make: Lancia
Model: Thesis Factory Service Manual
Year: 2002–2009
Section: Climate control › Climate control sends air irregularly

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Fault diagnosisClimate control sends air irregularly

CLIMATE CONTROL SENDS AIR IRREGULARLY

The flow of air sent by the fan in the passenger compartment using the manual speed control is not sufficient; it does not correspond to the speed set.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	With the diagnostic equipment (Examiner or other instruments) connected, check the following at the climate control node: that there are no faults;	Move on to Step	Presence of errors	Continue following the instructions in the diagnostic table
2	POLLEN FILTER CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the pollen filter It should be remembered that the pollen filter should be replaced once a year	Move on to Step	Filter obstructed	Replace the pollen filter See in Op. 5010B08 Climate control system outside air POLLEN FILTER - R.R.
3	AIR DUCTS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the air ducts and the vents are intact and that there are no obstuctions	Move on to Step	Ducts or vents obstructed	Restore the operation of the ducts and vents
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Fault persists	Replace the climate control system control unit See in Op. 5040D18 Air conditioning CONTROL UNIT - R.R.

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Parts & tools for this job For 2002 Lancia Thesis

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