Turn the ignition switch OFF and disconnect the battery (-) cable.
Remvoe the battery assembly.
(Refer to Engine Electrical System - "Battery")
Remvoe the ECM assembly.
(Refer to Engine Control System - "ECM")
Remove the fuel filter bracket assembly from the vehicle.
(Refer to Fuel Delivery System - "Fuel Filter")
Remove the water sensor (A) after disconnect the water sensor & themo switch connector.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Installation is reverse of removal.