Unit Inspection

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Fuel pressure sensor check

Output voltage check

Measure the voltage between the terminals.

VOLTAGE

Inspection terminals	Inspection conditions	Standard value
2(VOUT) - 1(GND)	Apply 5 V voltage between the terminals 3 (VCC) and 1 (GND).	Approx. 0.5 V

Fig 1: Locating Fuel Pressure Sensor Connector Terminals

Courtesy of SUBARU OF AMERICA, INC.

CAUTION:

Wrong connection of the inspection terminals may damage the fuel pressure sensor. Pay special attention to the connection work.
Do not apply voltage of 6 V or higher between the terminals 3 (VCC) and 1 (GND).

NOTE: If a stabilized power source is not available, use nickel hydride batteries (1.2 V x4) etc.