L03 Climate control air flow irregular
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2002
- Section
- Climate control › L03 Climate control air flow irregular
‹ Prev L02 Climate control not working (no air delivery)Next › L10 Climate control unit does not cool
Fault diagnosisL03 Climate control air flow irregular
L03 Climate control air flow irregular
The fan which sends air into the passenger compartment does not come on
| Step | Test procedure | Result | Action |
|---|---|---|---|
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT Connect the diagnostic equipment (Examiner) to the diagnostic socket. Check that there are no faults in the climate control system control unit | OK | |
| An error is detected in the control unit |
End of diagnosis | ||
| Communication lost with control unit - CAN line error |
End of diagnosis | ||
| 2 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT Using the diagnostic equipment (Examiner or other instruments), carry out active diagnosis for the electric fan at different speeds | OK | |
| Electric fan connection fault |
End of diagnosis | ||
| Electric fan faulty |
End of diagnosis | ||
| 3 | CHECKING CORRECT OPERATION Check that the fault is no longer present | OK | Incorrect selection of diagnostic procedure |
| Fault persists | Incorrect selection of diagnostic procedure |
‹ Prev L02 Climate control not working (no air delivery)Next › L10 Climate control unit does not cool
Parts & tools for this job For 2000 Alfa Romeo 147
- TOOLA/C manifold gauge setSearch: AC manifold gauge set
- TOOLUV leak detection kitSearch: AC UV leak detection kit
- PARTCabin filterSearch: Alfa Romeo 147 2000 cabin filter
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