ECT Sensor 1 Replacement

WARNING: This page is about a different car, the 2009 Honda S2000, 2008 Honda S2000, 2007 Honda S2000, and 2006 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant (see COOLANT REPLACEMENT ).
Disconnect the ECT sensor 1 2P connector (A).

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