Electronic control unit
- Make
- Fiat
- Model
- Bravo /Brava (182) Factory Service Manual
- Year
- 1995–2001
- Section
- Climate control (98 range) › Electronic control unit
50 Auxiliary unitsElectronic control unit
Electronic control unit
The electronic control unit manages the automatic operation of the system controlling the thermodynamic parameters to produce a comfortable climate (temperature and humidity) for the occupants of the vehicle.
At is located in the lower part of the duct-distributor assembly, fixed to it by two bolts and is easily accessible from the passenger compartment. The connector for the diagnostic equipment is found next to it.
Connector B
| TERMINAL | FUNCTION |
|---|---|
| 1 | "MAX DEF" |
| 2 | Compressor engagement |
| 3 | Earth (NOT USED) |
| 4 | Ventilation potentiometer |
| 5 | Requested temperature potentiometer |
| 6 | Treated temperature sensor |
| 7 | Engagement of recirculation |
| 8 | Diagnostic line K |
| 9 | Diagnostic line L |
| 10 | Potentiometer supply - 5V - |
| 11 | +30 from battery |
| 12 | Earth for sensors |
Connector A
| TERMINAL | FUNCTION |
|---|---|
| 1 | Earth (NOT USED) |
| 2 | Passenger compartment temperature sensor |
| 3 | Outside temperature sensor |
| 4 | N.C. |
| 5 | Mixture actuator feed-back |
| 6 | Frost sensor |
| 7 | Instrument panel display |
| 8 | Fan operation |
| 9 | Earth for electric fan |
| 10 | Mixture control (LO) - 5V - |
| 11 | Mixture control (MI) - 5V - |
| 12 | Compressor operation |
| 13 | +15 from key |
| 14 | Recirculation engagement control - 5V - |
| 15 | Recirculation exclusion control - 5V - |
| 16 | Rearscreen |
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