Dpf input temperature sensor operation check
- Make
- Alfa Romeo
- Model
- Brera and Spider Factory Service Manual
- Year
- 2005–2010
- Section
- Emission control system › Dpf input temperature sensor operation check
DPF INPUT TEMPERATURE SENSOR OPERATION CHECK
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check whether error P2084 - Temperature sensor on particulate filter input - is present using the diagnostic equipment | Replace the temperature sensor Op. 1080B83 EXHAUST GAS TEMPERATURE SENSOR ON PARTICULATE FILTER (D.P.F.) - R R |
| 2 | Press the START/STOP button and turn off the engine. Disconnect the wiring harness connector from the temperature sensor downstream of the catalytic converter Press the START/STOP button. Check that the voltage across pin 1 and 2 of the sensor See K188 CAT. DOWNSTREAM TEMPERATURE SENSOR is greater than 4.8 V. Move on to Step 4 | Move on to Step 3 |
| 3 | If faults are found, restore the wiring between the engine control unit and the downstream temperature sensor See E5070 PARTICLE FILTER SYSTEM Replace the wiring if necessary The test can be considered over | Replace the engine management control unit |
| 4 | Press the START/STOP button. Check that the resistance across pin 1 and 2 of the sensor See K188 CAT. DOWNSTREAM TEMPERATURE SENSOR is between 200 and 600 Ohms | Replace the temperature sensor Op. 1080B83 EXHAUST GAS TEMPERATURE SENSOR ON PARTICULATE FILTER (D.P.F.) - R R |
| 5 | Replace the engine management control unit |
Parts & tools for this job Staging For 2005 Alfa Romeo Brera
- TOOLOBD2 scannerSearch: OBD2 scanner
- TOOLDigital multimeterSearch: automotive digital multimeter
- TOOLBack-probe test leadsSearch: back probe test leads
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.