| | Results of the tests |
| 0 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation |
|---|
| Check that there are no control unit
errors. In particular: - Engagement sensor error
- Selection sensor error
- Engine speed error
- Clutch disc speed error
- Vehicle speed error
- No accelerator pedal information error
- Microprocessor 2 error
- CAN error
| Continue to Step 5 | Presence of one or more
of the errors included in the list | Continue to Step 1 |
| 1 | CHECKS ON FAULTS DETECTED | All OK | Problems met | Operation |
|---|
| Check
the faults described in Test 2127I | Continue to Step 2 | Faulty connections (Engagement
sensor, Selection sensor, Clutch disc speed, Vehicle speed, No acelerator
pedal information and/or CAN network errors | Repair/replace the wiringContinue
to Step 2 |
| Faulty connection (Engine speed) | Repair/replace the part concernedContinue
to Step 2 |
| Replace the Robotized Gearbox control unit (Microprocessor
2 error) | Continue to Step 2 |
| One of the control units does not dialogue (Errors on
CAN network) | Repair/replace the control unit concernedContinue
to Step 2 |
| 2 | SENSOR REPLACEMENT | All OK | Problems met | Operation |
|---|
| If
there is a gear engagement sensor error and no faults are detected
at the connections/wiring, replace it Op. 2127E42 and check
that the position reading is correct by carrying out a series of
C.M.If there is a gear selector sensor error and no faults are detected
at the connections/wiring, replace it Op. 2127E40 and check
that the position reading is correct by carrying out a series of
C.M.If there is a clutch disc speed error and no faults are detected
at the connections/wiring, replace it Op. 2127E52 and check
that the position reading is correct by carrying out a series of
C.M. | It is advisable to mark the two
potentiometers in order to be able to recognize them once they have
been removed |
| Continue to Step 3 | . | |
| 3 | AFTER THE CHECKS ON THE FAULTS DETECTED | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 4 |
| 4 | OIL LEVEL CHECK | All OK | Problems met | Operation |
|---|
| Check
the oil level as described in See Test 2127B OIL LEVEL CHECK | End of diagnosis | Level below the Max reference | Top up the oil levelContinue
to Step 5 |
| Level above the Max reference | Reduce to the Max levelContinue to Step 6 |
| 5 | CHECK FOR OIL LEAKS | All OK | Problems met | Operation |
|---|
| Check
that there are no oil leaks as described in See Test 2127C CHECK FOR OIL LEAKS | Continue to Step 6 | Oil leaks detected | Replace/repair the parts concerned,
and top up the oil levelContinue to Step 5 |
| 6 | THE FAULT PERSISTS | All OK | Problems met | Operation |
|---|
| Contact
Technical Service for further information on the problem | End of diagnosis | . | |