3360184 - C10 THE GEARS DO NOT ENGAGE
First and/or Reverse after a stop.| Results of the tests | ||||
| 0 | OIL LEVEL CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check oil level See Test 2127B OIL LEVEL CHECK | Continue to Step 2 | Level below Max reference | Top up the levelContinue to Step 1 | |
| Level above Max reference | Reduce to Max levelContinue to Step 2 | |||
| 1 | CHECK FOR FLUID LEAKS | All OK | Problems met | Operation |
| Check that there are no oil leaks See Test 2127C CHECK FOR FLUID LEAKS | Continue to Step 2 | Oil leaks detected | Replace/repair the relevant parts, top up the oilContinue to Step 1 | |
| 2 | OIL PRESSURE CHECK | All OK | Problems met | Operation |
| Check oil pressure See Test 2127D OIL PRESSURE CHECK | Continue to Step 4 | Pressure < 40 bar | Continue to Step 3 | |
| 3 | CHECK PUMP OPERATION | All OK | Problems met | Operation |
| Check that the pump is working properly See Test 2127E ELECTRIC PUMP OPERATION CHECK | Continue to Step 4 | Voltage below 11 V | Check the batteryContinue to Step 3 | |
| Gear changes cannot be made from the lever | Activate the 'clutch bleed' service from the Examiner Plus or Smart to activate the pumpContinue to Step 3 | |||
| 4 | CHECK ON BRAKE PEDAL SWITCH | All OK | Problems met | Operation |
| Check that the brake pedal switch is working See Test 2127F CHECK ON BRAKE PEDAL SWITCH | Continue to Step 6 | The brake pedal switch is not working properly | Check the state of the connections, the wiring and the switch. Repair/replace the part that is not working.Continue to Step 5 | |
| 5 | AFTER BRAKE PEDAL SWITCH CHECK | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 6 | |
| 6 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation |
Check that there are no control unit errors. In particular:
| Continue to Step 9 | Presence of one or more of the errors included in the list | Continue to Step 7 | |
| 7 | CHECKS ON FAULTS DETECTED | All OK | Problems met | Operation |
| Check the faults See Test 2127I What to do depending on the error' present in the Selespeed control unit No accelerator pedal information. | End of diagnosis | Fault on the connections (Clutch sensor, Odd or even gear engagement, Clutch solenoid current, Electromagnetic brake, ECU earth error and/or Load relay error) | Restore/replace the wiringContinue to Step 8 | |
| There are no faulty connections (Clutch solenoid current) | Replace the solenoid Op. 2127C56 and check its operation by carrying out a gear change.Continue to Step 8 | |||
| There are no faulty connections (Clutch sensor) | Replace the clutch actuator (CSC) and check its operation by carrying out a gear change.Continue to Step 8 | |||
| The test is not successful (Electromagnetic brake) | Replace the solenoid valve Op. 2127C54 Continue to Step 8 | |||
| The test is not successful (Odd or even gear engagement) | Replace the solenoid valve Op. 2127C52 Continue to Step 8 | |||
| The state displayed is not correct (Lever switch error 0/1/2/3 and/or Lever switch error - Check lever) | Check the connections, the continuity of the wiring and the gear leverContinue to Step 8 | |||
| There is no change of state and/or the word 'AUTO' is not displayed (Lever switch error - Check auto button) | Check the button and the wiringContinue to Step 8 | |||
| 8 | AFTER THE CHECKS ON FAULTS DETECTED | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 11 | |
| 9 | CHECK THAT THE LEVER AND THE AUTO BUTTON ARE WORKING PROPERLY | All OK | Problems met | Operation |
| Check that the lever and auto button are working properly See Test 2127G CHECK ON BUTTONS ON STEERING WHEEL AND GEAR LEVER | Continue to Step 11 | The lever or the button is not working properly | Check the state of the connections and the wiring. Repair/replace the part that is not workingContinue to Step 10 | |
| There is no change of state and/or the 'AUTO' button is not displayed | Check the button and the wiring.Continue to Step 10 | |||
| 10 | AFTER THE CHECK ON THE CORRECT OPERATION OF THE LEVER AND AUTO BUTTON | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 11 | |
| 11 | CHECK THAT THE CLUTCH IS NOT DRAGGING | All OK | Problems met | Operation |
| Check that the clutch is not dragging See Test 2127K CLUTCH DRIVE CHECK | Continue to Step 13 | The clutch drags | Proceed with checking the clutch/flywheel kit and, if necessary, replace any components that do not conform.Continue to Step 12 | |
| 12 | AFTER THE INTERVENTION ON THE CLUTCH KIT | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | The fault persists | Continue to Step 13 | |
| 13 | THE FAULT PERSISTS | All OK | Problems met | Operation |
| Contact Technical Service for further information on the problem | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |