FUEL SYSTEM > PRECAUTION

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1.IGNITION SWITCH EXPRESSIONS

  1. The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.

    Expression
    		Ignition Switch (Position)
    		Engine Switch (Condition)
    Ignition Switch off
    		LOCK
    		Off
    Ignition Switch ACC
    		ACC
    		On (ACC)
    Ignition Switch ON
    		ON
    		On (IG)
    Engine Start
    		START
    		Start


2.PRECAUTIONS

  1. Before working on the fuel system, disconnect the cable from the negative battery terminal.

  2. Do not work on the fuel system near any open flames. Never smoke when working on this system.

  3. Keep rubber and leather parts away from gasoline.


3.DISCHARGE FUEL SYSTEM PRESSURE

CAUTION:
  1. Perform this procedure when the engine coolant temperature is below 60°C (140°F).
  2. Perform the following procedure to prevent fuel from spilling out before removing any fuel system parts.
  3. Even after discharging the fuel pressure, when disconnecting a fuel line, cover it with a piece of cloth to prevent fuel from spraying or coming out.



    A199504

  1. Peel back the floor carpet under the front left seat, and disconnect the fuel tank wire connector.

  2. Start the engine.

  3. After the engine stops naturally, turn the ignition switch off.

    NOTICE:
    Do not increase the engine speed or drive the vehicle while waiting for the engine to stop naturally.

    HINT:
    DTC P0171/25 may be set.

  4. Crank the engine again and make sure that the engine does not start.

  5. Remove the fuel tank cap and discharge the pressure from the fuel tank.

  6. Disconnect the cable from the negative battery terminal.

  7. Connect the fuel tank wire connectors.


4.FUEL SYSTEM


  1. When disconnecting the high-pressure fuel line, a large amount of gasoline will splash out. Take the following precautions.

    1. Discharge the fuel system pressure.

    2. Remove the fuel tube clip.

    3. Disconnect the fuel tube.

    4. Drain the fuel remaining inside the fuel pump tube into a connector.



      5. B000679E16

    5. Protect the contact surface by covering it with a plastic bag.
      Text in Illustration 
      *1
      		Plastic Bag

      NOTICE:
      Do not damage the pipe or fuel tube connector, and prevent entry of foreign objects.



    2. A203436

  2. Observe the following precautions when disconnecting the fuel tube connector (Quick Type A).

    1. Remove the No. 1 fuel pipe clamp.

    2. Check for dirt or other foreign matter on the parts to be disconnected and clean them if necessary.



      3. A159424E15

    3. Pinch the retainer of the fuel tube connector, and then pull out the fuel tube connector to disconnect the fuel tube from the fuel pipe.
      Text in Illustration 
      *1
      		Retainer
      *2
      		O-Ring
      V100135
      		Pinch
      V100136
      		Pull Out

      NOTICE:
      Do not use any tools.



      4. A193370

    4. If the connector and pipe are stuck, pinch the retainer with your hand, and then push and pull the connector to disconnect them.

      NOTICE:
      Do not use any tools.

    5. Check the sealing surfaces of the disconnected parts, and clean them if necessary.



      6. A158902E02

    6. Protect the contact surface by covering it with a plastic bag.
      Text in Illustration 
      *1
      		Plastic Bag

      NOTICE:
      Do not damage the pipe or fuel tube connector, and prevent entry of foreign objects.



    3. A121423E05

  3. Observe the following precautions when connecting the fuel tube connectors (Quick Type A).

    1. Check that there are no scratches or foreign objects on the connecting part.

    2. Line up the pipe and connector and push them together until a "click" sound is heard.
      Text in Illustration 
      *a
      		Push
      *b
      		Pull

      HINT:
      If the pipe is difficult to push into the connector, apply a small amount of clean engine oil to the tip of the pipe and reinsert it.



      3. A088340

    3. After connecting the pipes, check that the pipe and connector are securely connected by pulling on them.

    4. Install the No. 1 fuel pipe clamp.

    5. Inspect for fuel leaks.



    4. A158184E03

  4. Observe the following procedure when disconnecting the fuel tube connectors (Quick Type B).

    1. Check for dirt or other foreign matter on the parts to be disconnected and clean them if necessary.
      Text in Illustration 
      *1
      		Retainer
      *2
      		Claw
      V100135
      		Pull
      V100136
      		Pull Out

    2. Pull the tabs of the fuel tube connector retainer to disengage the 2 claws. Pull the retainer up to disconnect the fuel tube connector from the pipe.

      NOTICE:
      Do not use any tools.



      3. A158185

    3. If the connector and pipe are stuck, hold the fuel pipe by hand and push and pull on the connector. Pull the two pipes apart to separate the connector.

      NOTICE:
      Do not use any tools.

    4. Check the sealing surfaces of the disconnected parts, and clean them if necessary.



      5. A158186E02

    5. Protect the contact surface by covering it with a plastic bag.
      Text in Illustration 
      *1
      		Plastic Bag

      NOTICE:
      Do not damage the pipe or fuel tube connector, and prevent entry of foreign objects.



    5. A158187E02

  5. Observe the following procedure when connecting the fuel tube connector (Quick Type B).

    1. Check that there are no scratches or foreign objects on the connecting part.
      Text in Illustration 
      *1
      		Retainer
      *2
      		Claw
      *a
      		Push

    2. Line up the pipe and connector and push them together until a "click" sound is heard.
      If the pipe is difficult to push into the connector, apply a small amount of clean engine oil to the tip of the pipe and reinsert it.

    3. After connecting the pipes, check that the pipe and connector are securely connected by pulling on them.

    4. Inspect for fuel leaks.



    6. A202837E02

  6. Observe the following procedure when disconnecting the fuel tube connectors (Quick Type C).

    1. Check for dirt or other foreign matter on the parts to be disconnected and clean them if necessary.
      Text in Illustration 
      *1
      		Retainer
      V100135
      		Pull
      V100136
      		Pull Out

    2. Pull the tabs of the fuel tube connector retainer as shown in the illustration to disconnect the fuel tube connector from the pipe.

      NOTICE:
      Do not use any tools.



      3. A202838

    3. If the connector and pipe are stuck, hold the fuel pipe by hand and push and pull on the connector. Pull the two pipes apart to separate the connector.

      NOTICE:
      Do not use any tools.

    4. Check the sealing surfaces of the disconnected parts, and clean them if necessary.



      5. A202839E01

    5. Protect the contact surface by covering it with a plastic bag.
      Text in Illustration 
      *1
      		Plastic Bag

      NOTICE:
      Do not damage the pipe or fuel tube connector, and prevent entry of foreign objects.



    7. A202840E02

  7. Observe the following procedure when connecting the fuel tube connector (Quick Type C).

    1. Check that there are no scratches or foreign objects on the connecting part.
      Text in Illustration 
      *1
      		Retainer
      *a
      		Push

    2. Line up the pipe and connector and push them together until a "click" sound is heard.
      If the pipe is difficult to push into the connector, apply a small amount of clean engine oil to the tip of the pipe and reinsert it.

    3. After connecting the pipes, check that the pipe and connector are securely connected by pulling on them.

    4. Inspect for fuel leaks.


5.INJECTOR


    A106965

  1. Observe the following precautions when removing and installing the fuel injector.

    1. Do not reuse the O-ring and insulator.

    2. When placing a new O-ring onto the injector, do not damage the O-ring.

    3. Coat the new O-ring with gasoline or spindle oil before installing it. Do not use engine, gear or brake oil.



    2. A158900E09

  2. Install the injector into the delivery pipe and cylinder head, as shown in the illustration. Apply gasoline or spindle oil to the contact surfaces of the delivery pipe and the injector before installing the injector.
    Text in Illustration 
    *1
    		O-ring
    *2
    		Insulator
    *3
    		Delivery pipe


6.INSPECT FOR FUEL LEAK

  1. Check that there is no fuel leakage after performing maintenance anywhere on the fuel system (Click here ).