Pollutant emissions in vehicle
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Emissions › Pollutant emissions in vehicle
POLLUTANT EMISSIONS IN VEHICLE
Pollutant emissions enter the vehicle during automatic operation (failed automatic operation of the recirculation flaps)
Only for vehicles equipped with AQS.
| 1 | RECIRCULATION MOTOR ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|---|---|---|---|
Check the operation of: - air recirculation motor; - connection between air motor and climate control system control unit: - control on climate control system control unit. | Move on to Step 2 | Recirculation motor defective | Replace the recirculation motor Op. 5040D75 AIR CONDITIONING RECIRCULATION FLAP CONTROL MOTOR - R.R | |
| Connections between recirculation motor and control unit not correct. | Restore the correct connection | |||
| Control on control unit defective. | Replace the climate control system control unit | |||
| 2 | POLLUTION SENSOR CHECK | All OK | Problems encountered | Operation |
Check that the pollution sensor is correctly supplied and working properly by carrying out the | End of diagnosis | AQS sensor not correctly supplied | Restore the correct power supply | |
| AQS sensor not working properly. | Replace the AQS sensor Op. 5010D72 AIR QUALITY SENSOR - R.R. FOLLOWING ELECTRICAL CIRCUIT CHECK |
Parts & tools for this job Staging For 2005 Alfa Romeo 159
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Alfa Romeo 159
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