Turn ignition switch OFF.
Disconnect the fuel temperature sensor connector.
Measure resistance between sensor signal terminal and ground terminal.
Check that the resistance is within the specification.
Specification : Refer to Specification section.
Fuel pressure regulator valve can't be replaced separately, it should be replaced with the high-pressure fuel pump assembly.
(Refer to Fuel delivery system - "High-pressure fuel pump")
Fuel pressure regulator valve can't be replaced separately, it should be replaced with the high-pressure fuel pump assembly.
(Refer to Fuel delivery system - "High-pressure fuel pump")