That reading is far from normal? It should be, give or take a few tenths of a volt, identical to the battery voltage. Minimum of 12V, and more likely around the 12.5V mark with a new battery.

If you know the battery is good and is giving you ~12.5V at rest, the charging system is delivering 14-14.4V with the engine running and you're getting just 7V in diagnostic screen, then the first thing to check would be all the associated connectors in the FI/ignition system for corrosion, poor contact and high resistance. A poor connection can/will cause a significant voltage drop in the circuit with which it is associated.

Check all connectors in the FI system, including at the ECU. Also check the connections between the battery and the ignition switch, the main switch and fuse (check the fuse is seated properly and the pins are clean too), at the injection relay and the connectors between the engine stop switch and the FI relay. While you're at it check for abraded wiring and/or short circuits.

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