Gears are not engaged
| Troubleshooting table | Symptom/conditions: Gears are not engaged | |||
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| DIAGNOSTICS | ||||
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Test results
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| Step | Operations | |||
| 0 |
Check oil level
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All OK
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Problems found
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Intervention
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|---|---|---|---|---|
| Check oil level as shown in Procedure 2 | Go to step 1 | Level other than max | Do Procedure 3 | |
| 1 |
Check oil pressure
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All OK
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Problems found
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Intervention
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| Check oil pressure as shown in Procedure 4 | Go to step 2 | Press < 40 bar | Do Procedure 5 | |
| 2 |
Check ECU errors
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All OK
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Problems found
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Intervention
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Check ECU for absence of errors. Specifically check for:
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Go to step 4 | Presence of one or more errors included in the list | Go to step 3 | |
| 3 |
Check problems found
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All OK
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Problems found
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Intervention
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| Check problems according to Procedure 17 | End of procedure | The problem persists | Go to step 4 | |
| 4 |
Regulation of clutch stop pin check
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All OK
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Problems found
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Intervention
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| Check the clutch stop pin following Procedure 6 | Go to step 6 | The stop pin is not regulated correctly | Adjust the clutch stop pin regulation following Procedure 6. Go to step 5 | |
| 5 |
After clutch stop pin adjustment
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All OK
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Problems found
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Intervention
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| Check that the problem is no longer present. | End of procedure | The problem persists | Go to step 6 | |
| 6 |
Check that the clutch does not drag
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All OK
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Problems found
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Intervention
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| Check that the clutch does not drag following Procedure 14 | Go to step 8 | The clutch drags | Overhaul the clutch/flywheel kit and replace and broken components. Go to step 7. | |
| 7 |
After intervening on the clutch kit
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All OK
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Problems found
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Intervention
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| Check that the problem is no longer present. | End of procedure | The problem persists | Go to step 8 | |
| 8 |
Check correct operation of lever
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All OK
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Problems found
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Intervention
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| Check correct operation of lever following Procedure 8 | Go to step 10 | Lever do not work correctly. | Check conditions of connections and wiring. Restore/replace broken parts. Go to step 9. | |
| 9 |
After checking correct operation of lever
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All OK
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Problems found
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Intervention
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| Check that the problem is no longer present. | End of procedure | The problem persists. | Go to step 10 | |
| 10 |
After checking correct operation of lever
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All OK
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Problems found
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Intervention
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| Check brake pedal switch operation according to Procedure 7 | Go to step 12 | The brake pedal does not work correctly | Check the conditions of connections, wiring and switch. Restore/replace broken parts. Go to step11 | |
| 11 |
After checking brake pedal switch
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All OK
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Problems found
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Intervention
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| Check that the problem is no longer present. | End of procedure | The problem persists. | Go to step 12 | |
| 12 |
"Loose finger" check
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All OK
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Problems found
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Intervention
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| With Examiner, in active diagnostics run the procedure for the loose finger check (NOTE: the procedure is only active as from models 156 EURO 3 and on 147). For the 156 EURO 2 versions it is advised to replace the finger fastening screw | Go to step 14 | The "finger" is loose | Replace the finger fastening screw following the specific procedure. Continue with step 13 | |
| 13 |
After checking/replacing the screw
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All OK
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Problems found
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Intervention
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| Check that the problem is no longer present. | End of procedure | The problem persists | Go to step 14 | |
| 10 |
The problem persists
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All OK
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Problems found
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Intervention
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| Contact technical assistance for additional information on the problem | ||||