| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the Examiner diagnostic equipment to the diagnostic connector and check that there are no faults at the Engine Management Node | Move on to Step 2 | Presence of faults in the system | Proceed as instructed by the diagnostic tester |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Keeping the diagnostic equipment connected to the diagnostic socket and check the operation of the engine failure warning light through active diagnosis at the Engine Management Node | Move on to Step 6 | The warning light does not flash | Move on to Step 3 |
| 3 | WARNING LIGHT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Disconnect the Engine Management Node from the vehicle side wiring and check that the warning light goes out | Move on to Step 6 | The warning light does not go out | Move on to Step 4 |
| 4 | ELECTRICAL SYSTEM CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the insulation of the warning light control cable between the Engine Management Node and the Instrument Panel Node See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Vedere | Move on to Step 5 | Cable short circuited to earth | Restore the electrical connections. |
| 5 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the instrument panel and move on to Step 6 Op. 5560B10 CONTROL PANEL - R+R |
| 6 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| petrol engines:Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R |
| JTD engines:Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |
