18. LIGHTS / SWITCHES MXU 500EXi/MXU500i SPEED SENSOR Disconnect the connector. Remove the bolt then remove the speed sensor. If the speedometer, odometer or trip meter does not function properly. Inspect the connection of speed sensor connector. If the connection is all right, replace the speedometer with a new one. If the speedometer, odometer or trip meter still does not function properly, replace the Speed Sensor speed sensor. 18-9