Check spark plug heating fuse
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Instrument/gauge electrical circuits › Check spark plug heating fuse
CHECK SPARK PLUG HEATING FUSE
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Press the START/STOP button and turn off the engine. Reconnect all the disconnected components. Turn off all the electrical users. Insert a new fuse F11 in the engine compartment junction unit and check it does not blow. Move on to Step 3 | Move on to Step 2 |
| 2 | If necessary, repair errors in the wiring between the engine compartment junction unit and spark plug control unit See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT The test can be considered over | Replace the glow plug preheating unit |
| 3 | Press the START/STOP button. Check that fuse F11 cuts in | A temporary current overload has occurred in the circuit behind fuse F11. connect the electrical connectors for the junction unit. |
| 4 | Press the START/STOP button. Disconnect the harness from a spark plug. Fit a new fuse F11 and check it does not blow. Reconnect the spark plugs and disconnect another, repeating the test until all the spark plugs have been checked. | Replace the spark plug that does not trigger the fuse |
| 5 | If necessary, repair the faults in the wiring between the spark plug control unit and the glow plugs | Replace the glow plug preheating unit |
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