| | Test results |
| 1 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Connect an EXAMINER and check the following on CAN NETWORK INFORMATION:- No control units inactive
- No control units with errors
- No control units with faulty CAN
| Move on to Step 2 | Errors in the control unit | Continue as instructed by the diagnostic equipment |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Check the operation of the engine failure warning light using the Examiner in active diagnosis. | Move on to Step 3 | The warning light does not come on | Replace the instrument panel Op. 5560B10 CONTROL PANEL - R+R |
| 3 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Check for the presence of any errors by connecting to the engine management control unit using an Examiner | Move on to Step 4 | Errors present | Continue as instructed by the diagnostic equipment. |
| 4 | CORRECT OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the error is no longer present. | End of diagnosis | The error persists | Replace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R |
| 4 | CORRECT OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the error is no longer present. | End of diagnosis | The error persists | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |