35660-ZZ3-003 Trim Angle Sensor - Overview. The 35660-ZZ3-003 Trim Angle Sensor is an essential component within Honda marine engine systems, specifically supporting the Active Marine Trim System. Its primary function is to precisely measure and relay the angle of the boat's trim system to the engine control unit, allowing for optimal adjustment and smooth operation. An integral part of maintaining your boat's handling and efficiency, this sensor ensures reliable data transmission that keeps the