Debimeter operation check
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Diesel injection system › Debimeter operation check
DEBIMETER OPERATION CHECK
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Press the START/STOP button and turn off the engine. Disconnect the wiring harness connector from the air flow meter. Press the START/STOP button. Check that the voltage across pin 1 of the meter and the earth is greater than 11 V. Move on to Step 3 | Move on to Step 2 |
| 2 | If faults are found, restore the wiring between the engine compartment junction unit and the debimeter See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT Replace it if necessary. The test can be considered over | Replace the junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
| 3 | Check that the voltage across pin 1 and 2 of the meter Replace the wiring if necessary is greater than 11 V. Move on to Step 5 | Move on to Step 4 |
| 4 | If faults are found, restore the wiring between the engine control unit and the debimeter See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT Replace it if necessary. The test can be considered over | Replace the engine management control unit |
| 5 | Check that the voltage across pin 3 of the meter and earth is between 4.8 and 5.2 V | Move on to Step 4 |
| 6 | Replace the debimeter | Repair the original debimeter and replace the engine management control unit. |
Parts & tools for this job Staging For 2005 Alfa Romeo 159
- PARTGlow plugsSearch: Alfa Romeo 159 2005 glow plugs
- TOOLGlow plug socketSearch: glow plug socket
- TOOLDiesel compression testerSearch: diesel compression tester
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.