ECT Sensor 2 Replacement

Drain the engine coolant (see COOLANT CHECK ).
Remove the splash shield.
Disconnect ECT sensor 2 connector (A), then remove ECT sensor 2 (B).

Fig 1: ECT Sensor 2 Connector With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal with a new O-ring (C).
Install the splash shield.
Refill the radiator with engine coolant (see COOLANT CHECK ).