| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|
| 1 | Turn the ignition key OFF.Reconnect any disconnected componentsTurn off all the electrical users.Turn the ignition key ON.In the under-dashboard junction unit baseinsert a new fuse F59 (second from the left in the second row from the bottom) and check it cuts in.Move on to Step 3 | A temporary current overload has occurred in the system behind fuse F59: move on to Step 2 |
| 2 | If faults are present, restore the correct operation of the under-dashboard control unit wiring.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 | Turn the ignition key OFF.Disconnect the cable loom connector from the air flow meter.Turn the ignition key ON.Check that fuse F59 cuts in | Replace the flow meter Op. 1060G10 AIR FLOW METER - R.R. |
| 4 | Check and restore the correct electrical connections between the engine compartment junction unit and the debimeters See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT Replace the wiring if necessary | Replace the junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |