E.g.r. solenoid functional test
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Emission control system › E.g.r. solenoid functional test
E.G.R. SOLENOID FUNCTIONAL TEST
| 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 EGR solenoid Press the START/STOP button. Measure the voltage between Pin 1 of the wiring side connector and Earth. Ensure it is greater than 11V. Press the START/STOP button. Move on to Step 4 | Move on to Step 2 |
| 2 | In the engine compartment junction unit, remove fuse F11 (third in the lower row) Press the START/STOP button. Check the voltage between the fuse inlet contact and earth. Ensure it is greater than 11 V. | Replace the junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
| 3 | If fualts are present, repair or if necessary replace the electrical wiring between the engine compartment junction unit and the solenoid. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT The test can be considered over | Replace the junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
| 4 | Disconnect the wiring harness connector from engine control unit connector B See M010 ENGINE MANAGEMENT ECU Press the START/STOP button. Measure the voltage between Pin 2 of the EGR solenoid wiring side connector and Earth. Ensure it is less than 0.3 V. | Repair or if necessary replace the electrical wiring between the engine control unit and the solenoid |
| 5 | Press the START/STOP button. Measure the resistance between Pin 2 of the EGR solenoid wiring side connector and Earth. Ensure it is greater than 500 kOhm. | Repair or if necessary replace the electrical wiring between the engine control unit and the solenoid |
| 6 | Measure the resistance between Pin 2 of the EGR solenoid wiring side connector and Pin 60 of engine control unit wiring side connector B. Ensure it is less than 5 Ohms. See M010 ENGINE MANAGEMENT ECU Reconnect the wiring harness connectors to the EGR solenoid and the engine control unit | Repair or if necessary replace the electrical wiring between the engine control unit and the solenoid |
| 7 | Replace the solenoid and check that the fault has disappeared | Repair the original EGR solenoid and replace the engine control unit |
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