| | Results of the tests |
| 0 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation |
|---|
| Check that there are no control unit
errors. In particular: - Electromagnetic brake (Selection solenoid)
- Odd or even gear engagement (engagement solenoids)
| 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 according to the See Test 2127I What to do for error in Selespeed control unit | Continue to Step 3 | Faulty connections | Repair/replace the wiringContinue
to Step 3 |
| The active diagnosis is not successful and there are
no faults detected at the wiring (Odd or even gear engagement) | Continue to Step 2 |
| 2 | AFTER ACTIVE DIAGNOSIS OF
THE SOLENOID | All
OK | Problems
met | Operation |
|---|
| If
this step has been reached for the active diagnosis of the engagement
solenoid valve, replace it Op. 2127C52 and check the operation | Continue to Step 3 | . | |
| 3 | SOLENOID VALVE REPLACEMENT | All OK | Problems met | Operation |
|---|
| If
there is an electromagnetic brake error and no faults are detected
at the connections/wiring, replace Op. 2127C54 and check
brake operation | Continue to Step 4 | . | |
| 4 | 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 5 |
| 5 | OIL LEVEL CHECK | All OK | Problems met | Operation |
|---|
| Check
the oil level as described in See Test 2127B OIL LEVEL CHECK | Continue to Step 7 | Level below the Max reference | Top up the oil levelContinue
to Step 6 |
| Level above the Max reference | Reduce to the Max levelContinue to Step 7 |
| 6 | 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 7 | OIl leaks detected | Replace/repair the parts concerned,
and top up the oil levelContinue to Step 6 |
| 7 | OIL PRESSURE CHECK | All OK | Problems met | Operation |
|---|
| Check
the oil pressure as described in See Test 2127D OIL PRESSURE CHECK . | Neutral for low pressure only exists
if the vehicle is stationary or moving at low speed (about 10-15
km/h) |
| Continue to Step 9 | Pressure < 40 bar | Continue to Step 8 |
| 8 | ELECTRIC PUMP OPERATION CHECK | All OK | Problems met | Operation |
|---|
| Check
the correct operation of the pump as described in See Test 2127E ELECTRIC PUMP OPERATION CHECK | Continue to Step 9 | Voltage below 11 V | Check the batteryContinue
to Step 8 |
| It is not possible to make gear changes from the lever | Activate the 'clutch bleed' service from the Examiner
Plus or Smart to activate the pumpContinue to Step 9 |
| 9 | CHECK ENGAGEMENT OF ALL GEARS | All OK | Problems met | Operation |
|---|
| Check
that all the gears engage correctly in accordance with See Test 2127J CHECK ON CORRECT ENGAGEMENT OF ALL GEARS USING THE GEAR LEVER WITH THE ENGINE RUNNING | End of diagnosis | The test is not successful | Contact Technical Service
for further information on the problem |