Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Stilo Factory Service Manual (2001-2007)22 · Fault diagnosis
22 · Diagnostics

Climate control not working / (no air delivery)

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Climate control › Climate control not working / (no air delivery)
Fault diagnosisClimate control not working / (no air delivery)

CLIMATE CONTROL NOT WORKING / (NO AIR DELIVERY)

When the activation switch is pressed, the air conditioner system works correctly but no air comes out of any of the diffusers.

The climate control unit fan power supply is protected by specific fuses and controlled by a relay, housed in the engine bay control unit.

Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Check the condition of the fan fan power supply fuses and relay.Continue to Step 1Fuses blownChange blown fuses
Relay damagedChange damaged relay
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect an Examiner and check fan motor operation via active diagnosis.Continue to Step 5Fan motor malfunctionContinue to Step 2
2CHECKING ELECTRICAL CIRCUITAll OKProblems metOperation
Check fan motor power supply See E6020 AIR CONDITIONINGContinue to Step 3No power supplyRestore continuity/insulation of the electrical connection between fan motor and fan control unit See E6020 AIR CONDITIONING
3CHECKING ELECTRICAL CIRCUITAll OKProblems metOperation
Check continuity/insulation of the electrical connection between fan motor and climate control system node [wiring diagram E6020].Continue to Step 4Electrical connection interrupted or not insulated.Restore continuity/insulation of the electrical connection See E6020 AIR CONDITIONING
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsChange fan motor Op. 5040C30
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persists

Change the climate control system node Op. 5040D18

Search for the fault starting from another symptom'

Parts & tools for this job For 2001 Fiat Stilo

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