Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
Fuel Pressure Release: Service and Repair
2ZR-FXE FUEL: FUEL SYSTEM: PRECAUTION
1. PRECAUTIONS
(a) Before inspecting and repairing the fuel system, disconnect the cable from the negative (-) battery terminal.
(b) Do not smoke or work near fire when handling the fuel system.
(c) Keep gasoline away from rubber or leather parts.
2. DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
*
Perform the following procedure to prevent fuel from spilling out before removing any fuel system parts.
*
Pressure will still remain in the fuel lines even after performing the following procedure. When disconnecting a fuel line, cover it
with a piece of cloth to prevent fuel from spraying or coming out.
(a) Remove the rear seat cushion assembly See: Body and Frame/Seats/Service and Repair/Removal and Replacement/Rear Seat
Assembly/Removal.
(b) Remove the rear floor service hole cover.
(c) Disconnect the fuel pump connector.
(d) Put the vehicle in the "inspection mode" See: Testing and Inspection/Component Tests and General Diagnostics/Repair Instruction -
Inspection Mode Procedure.
(e) Start the engine.
(f) After the engine has stopped on its own, turn the power switch off.
HINT
DTCs P0171/25 may be detected.
(g) Crank the engine again and make sure that the engine does not start.
(h) Disconnect the cable from the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected See: Testing and
Inspection/Programming and Relearning.
(i) Connect the fuel pump connector.
(j) Loosen the fuel tank cap, then discharge the pressure in the fuel tank completely.
3. FUEL LINE
(a) When disconnecting a high-pressure fuel line, a large amount of gasoline will spray out. Perform the following procedure:
(1) Discharge fuel system pressure.