125000488 - C26 THE CAR GOES INTO NEUTRAL BY ITSELF
When changing gear with the vehicle moving| Results of the tests | ||||||
| 0 | OIL LEVEL CHECK | All OK | Problems met | Operation | ||
|---|---|---|---|---|---|---|
| Check the oil level as described in See Test See Test 2127B OIL LEVEL CHECK | Continue to Step 2 | Level below the Max reference | Top up the oil levelContinue to Step 1 | |||
| Level above the Max reference | Reduce to the Max levelContinue to Step 2 | |||||
| 1 | CHECK FOR OIL LEAKS | All OK | Problems met | Operation | ||
| Check that there are no oil leaks as described in See Test See Test 2127C HYDRAULIC GEAR SELECTION SYSTEM | Continue to Step 2 | OIl leaks detected | Replace/repair the parts concerned, and top up the oil levelContinue to Step 1 | |||
| 2 | OIL PRESSURE CHECK | All OK | Problems met | Operation | ||
Check the oil pressure as described in See Test See Test 2127D OIL PRESSURE CHECK.
| Continue to Step 4 | Pressure < 40 bar | Continue to Step 3 | |||
| 3 | ELECTRIC PUMP OPERATION CHECK | All OK | Problems met | Operation | ||
| Check the correct operation of the pump as described in See Test See Test 2127E ELECTRIC SPEED SELECTION SYSTEM | Continue to Step 4 | Voltage below 11 V | Check the batteryContinue to Step 3 | |||
| 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 4 | |||||
| 4 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation | ||
Check that there are no control unit errors. In particular:
| Continue to Step 8 | Presence of one or more of the errors included in the list | Continue to Step 5 | |||
| 5 | CHECKS ON FAULTS DETECTED | All OK | Problems met | Operation | ||
| Check the faults according to See Test See Test 2127I What to do for error in Selespeed control unit | End of diagnosis | Faulty connections | Repair/replace the wiringContinue to Step 7 | |||
| The active diganosis is not successful and there are no faults detected at the wiring | Continue to Step 6 | |||||
| 6 | AFTER THE SOLENOID VALVE ACTIVE DIAGNOSIS | All OK | Problems met | Operation | ||
| If this step has been reached for the active diagnosis of the clutch solenoid valve, replace it Op. 2127C56and check its operation by carrying out a C.M.If this step has been reached for the active diagnosis of the engagement solenoid valve, replace it Op. 2127C52and check its operation | Continue to Step 7 | . | ||||
| 7 | 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 8 | |||
| 8 | CHECK ENGAGEMENT OF ALL GEARS | All OK | Problems met | Operation | ||
| Check that all the gears engage correctly in accordance with See Test See Test 2127N CHECK ON CORRECT ENGAGEMENT OF ALL GEARS USING THE GEAR LEVER WITH THE ENGINE NOT RUNNING | End of diagnosis | The test is not successful | Contact Technical Service for further information on the problem | |||
