Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the air cleaner assembly.
(Refer to "Engine and transaxle assembly in EM group.)
Remove the battery and ECM.
(Refer to "Charging system" in EE group.)
Disconnect the water sensor connector (A), the heater connector (B).
Disconnect the thermo switch connector (C).
Disconnect the fuel inlet tube (A) quick-connector and the fuel outlet tube (B) quick-connector.
Unscrew the fuel filter installation bolt & nuts, and then remove the fuel filter assembly (A) from the vehicle.
Remove the bracket (B) after loosening the mounting bolts (A).
Remove the water sensor (A).
Replace it with a new one, and then install the fuel filter assembly in accordance with reverse of above steps
When replacing the fuel filter, must replace the O-ring.
Bleed air in low pressure fuel circuit.
(Refer to "Bleeding air in low pressure fuel circuit").
Start the engine and check that there is any leak on the low pressure fuel circuit including the fuel filter.