1. Connect the Examiner Plus or Smart diagnostic equipment.2. Start the vehicle and place the gearbox in neutral3. Using the Examiner Plus or Smart, check whether the clutch disc angular speed is more than zero (with the engine idling)4. If what is mentioned in point 3 is verified then the clutch is driven- In active diagnosis, carry out the calibration of the clutch parameters through "clutch autocalibration enablement".- Repeat the points from 2 to 4. If the problem does not occur: move on to point 5.5. If the clutch is not driven, let the engine reach operating temperature and heat the clutch by carrying out a series of accelerations (with the accelerator pedal pressed more than halfway through its travel)- Repeat the points from 1 to 3- If what is mentioned in point 3 is verified then the clutch is driven.