ECT Sensor 1 Replacement

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant (see COOLANT CHECK ).
Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
Disconnect the ECT sensor 1 connector (A).

Fig 1: ECT Sensor 1 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), then refill the radiator with engine coolant (see COOLANT CHECK ).