22 · Diagnostics

Unpleasant climate control odours

Fault diagnosisUnpleasant climate control odours

UNPLEASANT CLIMATE CONTROL ODOURS

The climate control is working properly, but there is an unpleasant smell in the passenger compartment

1	CONDENSATION DRAINAGE PIPE CHECK	All OK	Problems met	Operation
		Results of the tests
	Check the state of the condensation drainage pipe from the air conditioning unit It should not be obstructed or dirty	Continue to Step 2	Pipe obstructed	Repair the drainage pipe Op. 5040C24
2	POLLEN FILTER CHECK	All OK	Problems met	Operation
	Check the condition of the pollen filter It should be remembered that the pollen filter should be replaced about once a year.	Continue to Step 3	Filter obstructed	Replace the pollen filter Op. 5010B09
3	AIR SUPPLY DUCTS CHECK	All OK	Problems met	Operation
	Check the air supply ducts: they should not be obstructed with dirt or foul smelling substances	Continue to Step 4	Vents malfunction	Wash the ducts (after removing the electric fan) Restore the ducts (see Assembly 5010B)
4	HEATER RADIATOR CHECK	All OK	Problems met	Operation
	Check the heater radiator: the outer fins should not be obstructed with dirt or other substances	Continue to Step 5	Radiator dirty or obstructed	Clean the radiator or replace it Op. 5040C50
5	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

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