| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that there are no other errors in the engine management system and ABS using the diagnostic equipment | Move on to Step 1 | There are also other errors present | Continue according to the instructions for the diagnostic equipment for the errors present |
| 1 | ERROR DELETION | All OK | Problems encountered | Operation |
|---|
| Turn the ignition key OFF. Wait at least 30 secs.Delete the errrors and carry out a road test, trying to reproduce the conditions that caused the error.Check that the error does not occur again | End of diagnosis | Error U1706 is present | Replace the ABS control unit Op. 3340A20 ABS ELECTRONIC CONTROL UNIT - R+R and move on to Step 2 |
| 2 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
|---|
| Check the fault has disappeared | End of diagnosis | The fault persists | Repair the original ABS control unit and replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |
