Honda HR-V: Fuel Pressure Relieving

Procedure

NOTE:

• Before disconnecting fuel lines or hoses, relieve pressure from the system by disabling the fuel pump and disconnecting the fuel line/quick connect fitting in the engine compartment.
• When you relieve the fuel pressure, stop the fuel pump according to 2nd procedure (with the HDS) or 3rd procedure (without the HDS).

1. Fuel Fill Cap - Remove

Remove the fuel fill cap to relieve the pressure in the fuel tank.

2. Fuel Pump - Stop (with HDS)

1. Connect the HDS to the DLC.
2. From the INSPECTION MENU of the HDS, select Fuel Pump OFF, then start the engine, and let it idle until it stalls.
   NOTE:
   • Do not allow the engine to idle above 1, 000 rpm or the PCM will continue to operate the fuel pump.
   • Pending or Confirmed DTC may be set during this procedure. Check for DTCs, and clear them as needed.
3. Turn the vehicle to the OFF (LOCK) mode.

3. Fuel Pump - Stop (without HDS)

1. Remove PGM-FI main relay 2 (A) from the under-hood fuse/relay box
2. Start the engine, and let it idle until it stalls.NOTE : If any DTCs are stored, clear and ignore them
3. Turn the vehicle to the OFF (LOCK) mode
4. Install PGM-FI main relay 2.

4. 12 Volt Battery Terminal - Disconnect

5. Fuel Pressure - Relieve

1. Remove the quick-connect fitting cover (A)
2. Check the fuel quick-connect fitting for dirt, and clean it if needed.

3. Place a rag or shop towel over the quick-connect fitting (A).

4. Disconnect the quick-connect fitting (A): Hold the connector (B) with one hand, and squeeze the retainer tabs (C) with the other hand to release them from the locking tabs (D). Pull the connector off.
   NOTE:
   • Be careful not to damage the line (E) or other parts.
   • Do not use tools.
   • If the connector does not move, keep the retainer tabs pressed down, and alternately pull and push the connector until it comes off easily.
   • Do not remove the retainer from the line; once removed, the retainer must be replaced with a new one.
5. After disconnecting the quick-connect fitting, check it for dirt or damage.

6. Align the quick-connect fittings with the line (A), and align the retainer locking tabs (B) with the connector grooves (C)
7. Press the quick-connect fittings onto the line until both retainer tabs lock with a clicking sound.

   NOTE : If it is hard to connect, put a small amount of new engine oil on the line end.

8. Make sure the connection is secure and the tabs are firmly locked into place; check visually and also by pulling the connector.

9. Install the quick-connect fitting cover (A).

6. 12 Volt Battery Terminal - Connect

7. Fuel Fill Cap - Install

1. Install the fuel fill cap.

FUEL SUPPLY SYSTEM ELECTRONIC WIRING DIAGRAM

Refer to appropriate wiring diagram. System Wiring Diagrams

FUEL TANK DRAINING

Drain

1. Fuel Tank Unit - Remove - Refer to: Fuel Tank Unit Removal and Installation (2WD), or Fuel Tank Unit Removal and Installation (AWD)

2. Fuel Tank - Drain

1. Using a hand pump, a hose, and a container suitable for fuel, draw the fuel from the fuel tank.

3. Fuel Tank Unit - Install - Refer to: Fuel Tank Unit Removal and Installation (2WD), or Fuel Tank Unit Removal and Installation (AWD)

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