2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 52Get this manual
TECHNICAL FEATURES -
SPEED SENSOR
The speed sensor is located on the upper left side of the ride plateThe speed sensor detects speed as water flows through the paddlewheelThe sensor consists of permanent magnet and sensor unit (Hall element), and is connected to the combination meter via wireWhen one of the paddles passes across the sensor unit, voltage pulses are generated at the sensorThe voltage pulses are sent as signals to the combination meter, which converts the signals to speedThe frequency of the signals increases proportionally to the rotating speed of the paddlewheel