ATF Temperature Sensor Replacement

Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
Remove the engine undercover (A) and the front splash shield (B).

Fig 1: Locating Bolts, Engine Undercover And Front Splash Shield With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the drain plug (A), and drain the automatic transmission fluid (ATF).

Fig 2: Locating Drain Plug And Sealing Washer With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reinstall the drain plug with a new sealing washer (B).
Disconnect the ATF temperature sensor connector (A), then remove the ATF temperature sensor (B).

Fig 3: Locating ATF Temperature Sensor Connector And ATF Temperature Sensor With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install a new O-ring (C) on a new ATF temperature sensor, and install the ATF temperature sensor.
Check the connector for corrosion, dirt, or oil, and clean or repair if necessary, then connect the connector securely.
Refill the transmission with ATF (see ATF REPLACEMENT ).
Install the front splash shield and the engine undercover.