2. To check the sensor, disconnect the electrical connector from it (pic. 13.2).
3. Raise the front of the vehicle and place it on jack stands. Block the rear wheels and install in the gearbox "neutral". Connect a voltmeter to the terminals of the connector. Keep one of the front wheels stationary, and rotate the other with your hands. The voltmeter should show voltage pulses from 0 to 5 V. If this is not the case, replace the sensor.
Replacement
4. Disconnect the electrical connector from the sensor.
5. Turn out the screw of fastening of the gauge and pull out the gauge from transmission.
6. Replace sensor O-ring.
7. Install the sensor in sequence. reverse withdrawal.