ECT Sensor 2 Replacement

Remove the splash shield (see FRONT SPLASH SHIELD REPLACEMENT )
Dram the engine coolant (see COOLANT CHECK )
Disconnect the ECT sensor 2 connector (A), then remove ECT sensor 2 (B)

Fig 1: ECT Sensor 2 Connector, ECT Sensor 2, O-Ring With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install ECT sensor 2 with a new O-ring (C)
Install the splash shield (see FRONT SPLASH SHIELD REPLACEMENT )
Refill the radiator with engine coolant (see COOLANT CHECK )