Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
(l) Put the vehicle in the "inspection mode" See: Testing and Inspection/Component Tests and General Diagnostics/Repair Instruction -
Inspection Mode Procedure.
(m)Start the engine.
(n) Measure the fuel pressure at idle.
Standard fuel pressure:
304 to 343 kPa (3.1 to 3.5 kgf/cm2, 44 to 50 psi)
(o) Stop the engine.
(p) Check that the fuel pressure remains as specified for 5 minutes after the engine stops.
Standard fuel pressure:
147 kPa (1.5 kgf/cm2, 21 psi) or more
(q) If the fuel pressure is not as specified, check the fuel pump or fuel injector.
(r) After checking the fuel pressure, disconnect the cable from the negative (-) battery terminal and carefully remove SST to prevent gasoline from
spraying.
(s) Reconnect the fuel tube to the main fuel tube (fuel tube connector).
(t) Install the No. 1 fuel pipe clamp to the fuel tube connector.
(u) Inspect for fuel leaks (Step 1).