Workshop Manuals Factory service & repair Fiat
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Fiat Stilo Factory Service Manual (2001-2007)22 · Fault diagnosis
22 · Diagnostics

Climate control air flow irregular

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Climate control › Climate control air flow irregular
Fault diagnosisClimate control air flow irregular

CLIMATE CONTROL AIR FLOW IRREGULAR

The air flow directed into the passenger compartment by the fan motor via the manual speed control is not sufficient; does not correspond to the set speed.

Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect an Examiner and check fan motor is working properly by means of active diagnosis.Continue to Step 2Fan motor malfunction: speed is not as set via the selector.Continue to Step 3
2CHECKING AIR DUCTSAll OKProblems metOperation
Check that the air ducts and outlets are intact and there are no obstructionsContinue to Step 4Ducts or vents obstructedRepair the ducts and vents, removing any obstructions
3CHECKING SPEED SELECTORAll OKProblems metOperation
Check correct operation of the fan motor speed selector See Test 5040CC Check fan motor speed selector operationContinue to Step 6Malfunction in fan motor speed selectorChange climate control nodeOp. 5040D18
4CHECKING LINKAGEAll OKProblems metOperation
Check air duct opening motor linkageContinue to Step 5Linkage not properly connectedRestore correct connection of linkage to motor
Linkage not properly connectedReplace the linkage.
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsChange the climate control nodeOp. 5040D18
6CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persists

Change fan motorOp. 5040A30

Search for the fault starting from another symptom'

7CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 2001 Fiat Stilo

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