During gear shift the car revs up

Troubleshooting table Symptom/conditions: During gear shift the car revs up
 
  • The problem disappears if the accelerator pedal is released when changing gear
  • It seems that the clutch slips and every now and then there is a smell of burning
DIAGNOSTICS
 
Test results
Step Operations
0
Check ECU errors
All OK
Problems found
Intervention
 

Check ECU for absence of errors. Specifically check for:

  • CAN messages transmission error
  • CAN message reception error
Go to step 2 Presence of one or more errors included in the list Go to step 1
1
Check problems found
All OK
Problems found
Intervention
  Check problems according to Procedure 17 End of procedure The problem persists Go to step 2
2
Regulation of clutch stop pin check
All OK
Problems found
Intervention
  Check the clutch stop pin following Procedure 6 Go to step 4 The stop pin is not regulated correctly Adjust the clutch stop pin regulation following Procedure 6. Go to step 3
3
After clutch stop pin adjustment
All OK
Problems found
Intervention
  Check that the problem is no longer present. End of procedure The problem persists Go to step 4
4
Clutch parameters calibration execution
All OK
Problems found
Intervention
 

With examiner in active diagnosis, run the calibration of the clutch parameters through " enable clutch self-calibration "

Go to step 5    
5
Road test
All OK
Problems found
Intervention
  Test on the road     Test on the road changing gear as often as possible, using all the gears (at different speeds and engine loads). Continue with step 6
6
Result of the test
All OK
Problems found
Intervention
  After the test on the road End of procedure The problem persists Go to step 7
7
Clutch disk check
All OK
Problems found
Intervention
  Check the clutch disk Go to step 9 The clutch disk is found worn/does not conform Replace the clutch disk. Go to step 8
8
Car functioning check
All OK
Problems found
Intervention
  Check on the road again End of procedure The problem persists Go to step 9
7
The problem persists
All OK
Problems found
Intervention
        Contact technical assistance for additional information on the problem