2006 Honda TRX680 Rincon Factory Service Manual, Page 49Get this manual
TECHNICAL FEATURES After warming upidling When the PCM receives input signals that indicate the completion of engine warm-up, it operates the step motor to move the slide valve to the downwardThis results in reduced amount of bypassed air compared to the amount during engine warm-up, which maintains proper engine idle speedSTEP MOTOR
SLIDE VALVE
BANK ANGLE SENSOR
The bank angle sensor is located under the steering cover, it detects vehicle rollover and interrupts the ignitionfuel system controlThe bank angle sensor system controls the power supply for the injector, ignition coil and fuel pump directly through the engine stop relay