1. Remove the steering column covers.
2. Disconnect the 12P connector A from the central lighting switch B.
3. Turn out two screws and remove the central switch of devices of lighting, having moved it.
4. Check the connector terminals to make sure they are making good contact.
If the terminals are bent, loose, or corroded, correct them and recheck the connections.
If the terminals are OK, check the connection between the terminals at each switch position, according to the table.
If the connection is not indicated, replace the sensor.