2751006 - C16 THE GEARS DO NOT ENGAGE IN "AUTO" OPERATION
Sometimes, for a few seconds no gear can be engaged from the lever Failed engagement of reverse gear and/or neutral It is not possible to request a gear change using the lever (gear suggestion, obviously for the request to be accepted all the engine conditions in order to make the gear change must be satisfied)| Results of the tests | ||||
| 0 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
Check that there are no control unit errors. In particular:
| Continue to Step 3 | Presence of error indicated | 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 | End of diagnosis | The state displayed is not correct (Lever switch error - Lever check) | Check the connections, continuity of the wiring and the gear leverContinue to Step 2 | |
| There is no change of state and/or the word 'ECO' is not displayed (Lever switch error - ECO button check) | Check the button and wiringContinue to Step 2 | |||
| 2 | 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 3 | |
| 3 | GEAR LEVER CHECK | All OK | Problems met | Operation |
| Check that the gear lever is working properly following See Test 2127L GEAR LEVER CHECK | Continue to Step 4 | The lever states displayed are not correct | Check the wiring and the switches/gear lever Repair/replace the part that is not working | |
| There is no change of state and/or the 'AUTO' button is not displayed | Check the switch and the wiring. Repair/replace the part that is not working | |||
| 4 | OIL LEVEL CHECK | All OK | Problems met | Operation |
| Check the oil level as described in See Test 2127B OIL LEVEL CHECK | Continue to Step 6 | 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 | OIL PRESSURE CHECK | All OK | Problems met | Operation |
| Check the oil pressure as described in See Test 2127D OIL PRESSURE CHECK | Continue to Step 8 | Pressure < 40 bar | Continue to Step 7 | |
| 7 | 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 8 | Voltage below 11 V | Check the batteryContinue to Step 7 | |
| 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 8 | |||
| 8 | THE FAULT PERSISTS | All OK | Problems met | Operation |
| Contact Technical Service for further information on the problem | End of diagnosis | . | ||