1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5].)
2. Disconnect the fuel pump unit connector.
3. Inspect for continuity between fuel pump unit terminals B—D.
If there is no continuity, replace the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION [SKYACTIV-G 2.5].)