FUEL SYSTEM (w/o DPF) PRECAUTION


  1. IGNITION SWITCH EXPRESSION

    Tech Tips

    The type of ignition switch used on this model differs depending on 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. FUEL SYSTEM


    1. Observe these precautions when disconnecting the fuel tube connector (for quick type A).


      1. A00O3SME01
        Text in Illustration
        *1 Fuel Tube Connector Cover

        Fuel Tube Connector Cover Type:

        Detach the lock claw by lifting up the cover as shown in the illustration.

      2. Check for dirt or mud on the pipe and around the connector before disconnection. Clean if necessary.

      3. A00O63NE26

        Pinch the connector and disconnect the connector and pipe.

        Text in Illustration
        *1 Retainer
        A00O9VA Pinch
        A00O5SP Pull

        If the connector and the pipe are stuck, pinch the connector, push and pull the pipe to disconnect the pipe and pull it out.

        Note


        • A00O36DE01

          Check for foreign matter in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.

        • Do not use any tools to separate the pipe and connector.

        • Do not forcefully bend or twist the nylon tube.

        • Check for foreign matter on the pipe seal surface. Clean if necessary.

        • Put the pipe and connector ends in plastic bags to prevent damage and foreign matter contamination.

        • If the pipe and connector are stuck together, pinch the connector between your fingers and turn it carefully to disconnect it.

        Text in Illustration
        *1 Retainer
        *2 Nylon Tube
        *3 Pipe
        *4 O-Ring
        *5 Fuel Tube Connector

      4. Check for dirt or mud on the seal surface of the disconnected pipe. Clean if necessary.

      5. To protect the disconnected pipe and connector from damage and contamination, cover them with a plastic bag.

    2. Observe these precautions when connecting the fuel tube connector (for quick type A).


      1. A00O3YWE27

        Check that there is no damage or contamination in the connected part of the pipe.

      2. Align the axis of the connector with the axis of the pipe. Push the pipe into the connector until the connector makes a "click" sound. If the connection is tight, apply a small amount of fresh engine oil to the tip of the pipe.

        Text in Illustration
        A00O9VA Push
      3. A00O3YWE28

        After connecting the pipe and the connector, check that the pipe and connector are securely connected by trying to pull them apart.

        Text in Illustration
        A00O9VA Pull

      4. Fuel Tube Connector Cover Type:

        Attach the lock claws to the connector by pushing down on the cover.

      5. Inspect for fuel leaks.

    3. Observe these precautions when disconnecting the fuel tube connector (for quick type B):


      1. Check if there is any dirt or mud on the pipe and around the connector before disconnecting them. Clean if necessary.

      2. Disconnect the parts by hand.

      3. A00O6OS
        Text in Illustration
        *1 Nylon Tube
        *2 O-Ring
        *3 Retainer
        *4 Pipe

        If the connector and pipe are stuck, push and pull the connector to disconnect the pipe and pull it out.

        Text in Illustration
        A00O9VA Turn
        A00O5SP Pull

        Note


        • A00O7YJE02

          Check for foreign matter in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.

        • Do not use any tools to separate the pipe and connector.

        • Do not forcefully bend or twist the nylon tube.

        • Check for foreign matter on the pipe seal surface. Clean if necessary.

        • Put the pipe and connector ends in plastic bags to prevent damage and foreign matter contamination.

        • If the pipe and connector are stuck together, pinch the connector between your fingers and turn it carefully to disconnect it.

      4. Check for dirt or mud on the seal surface of the disconnected pipe. Clean if necessary.

      5. To protect the disconnected pipe and connector from damage and foreign matter, cover them with a plastic bag.

    4. Observe these precautions when connecting the fuel tube connector (for quick type B):


      1. A00O88D

        Align the axis of the connector with the axis of the pipe and push in the connector until the connector makes a "click" sound. If the connection is tight, apply a small amount of new engine oil to the tip of the pipe.

        Text in Illustration
        A00O9VA Push
      2. A00O2UM

        After connecting the pipe and the connector, check that the pipe and connector are securely connected by trying to pull them apart.

        Text in Illustration
        A00O9VA Pull

      3. Inspect for fuel leaks.

    5. Observe these precautions when disconnecting the fuel tube connector (for quick type C).


      1. Check that there is no damage or foreign matter on the part of the pipe that contacts the connector.

      2. A00O7JYE01

        Detach the 2 claws of the connector retainer. Push down on the connector and disconnect it from the pipe.

        Text in Illustration
        *1 Retainer
        A00O9VA Push
        A00O5SP Down
        A00O9ZK Pull

        Tech Tips

        If the connector and pipe are stuck, pinch the fuel pipe by hand and push and pull the connector to disconnect it.

        A00OB4QE02
        Text in Illustration
        A00O9VA Push
        A00O5SP Down

        Note


        • A00O9L7E01

          Check for any dirt and foreign matter contamination in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-ring or cause leaks in the seal between the pipe and connector.

        • Do not use any tools to separate the pipe and connector.

        • Do not allow any scratches or foreign matter on the parts when disconnecting them, as the fuel tube joint contains the O-rings that seal the plug.

        • Check for any dirt and foreign matter on the pipe seal surface. Clean if necessary.

        • Do not forcibly bend, twist or turn the nylon tube.

        • Protect the disconnected part by covering it with a plastic bag and tape after disconnecting the main tube.

        • If the pipe and connector are stuck together, pinch the tube between your fingers and turn it carefully to free it. Then disconnect the main tube.

        Text in Illustration
        *1 Pipe
        *2 Retainer
        *3 Nylon Tube
        *4 Connector
        *5 O-Ring

      3. Check for foreign matter on the seal surface of the disconnected pipe. Clean it if necessary.

      4. To protect the disconnected pipe and connector from damage and foreign matter, cover them with a plastic bag.

    6. Observe these precautions when connecting the fuel tube connector (for quick type C).


      1. Check for foreign matter on the pipe and around the connector before connecting it. Clean it if necessary.

      2. A00O75PE02
        Text in Illustration
        *1 Retainer
        A00O9VA Up
        A00O5SP Push

        Align the axis of the connector with the axis of the pipe. Push the pipe into the connector, and then push up on the retainer.

        Note


        • Before connecting the tube connectors to the pipes, check if there is any damage or foreign matter in the connectors.

        • A00OBIK

          After connecting the pipe and the connector, check that the pipe and connector are securely connected by trying to pull them apart.

          Text in Illustration
          A00O9VA Pull

      3. Inspect for fuel leaks.

    7. Observe these precautions when disconnecting the fuel tank breather tube connector:


      1. A00O5NRE01
        Text in Illustration
        *1 Fuel Tank Breather Tube Connector
        *2 Pipe
        A00O9VA Push
        A00O5SP Pinch

        Pinch the retainer and pull out the fuel tank breather tube connector with the fuel tank breather tube connector pushed toward the pipe to disconnect the fuel tank breather tube from the pipe.

        Note


        • A00OB0ZE01

          Remove dirt or foreign objects on the fuel tank breather tube connector before performing this procedure.

        • Do not allow any scratches or foreign objects on the parts when disconnecting them as the fuel tank breather tube connector has the O-ring that seals the pipe.

        • Perform this work by hand. Do not use any tools.

        • Do not forcibly bend, kink or twist the nylon tube.

        • Protect the connecting part by covering it with a plastic bag after disconnecting the fuel tank breather tube.

        • If the fuel tank breather tube connector and pipe are stuck, push and pull them to release them.

        Text in Illustration
        *1 Fuel Tank Breather Tube Connector
        *2 Pipe
        *3 Nylon Tube
        *4 O-Ring

    8. Observe these precautions when connecting the fuel tank breather tube connector:


      1. A00O6WN

        Align the fuel tank breather tube connector with the pipe, and then push in the fuel tank breather tube connector until the retainer makes a "click" sound to connect the fuel tank breather tube to the pipe.

        Text in Illustration
        A00O9VA Push

        Note


        • Check that there are no scratches or foreign objects on the connected part of the fuel tank breather tube connector and pipe before performing this procedure.

        • After connecting the fuel tank breather tube, check that the fuel tank breather tube is securely connected by pulling the fuel tank breather tube connector.

      2. A00O94F

        After connecting the pipe and the connector, check that the pipe and connector are securely connected by trying to pull them apart.

        Text in Illustration
        A00O9VA Pull

      3. Inspect for fuel leaks.

    9. Observe these precautions when disconnecting the fuel cut off tube connector:


      1. A00OBJT
        Text in Illustration
        *1 Nylon Tube
        *2 O-Ring
        *3 Retainer
        *4 Pipe

        Pinch the projection of the retainer to detach the lock claws and pull out the fuel cut off tube.

        Text in Illustration
        A00O9VA Pinch
        A00O5SP Pull

        Note


        • A00O3Y7E04

          Check if there is any dirt or mud around the connector before this operation and remove the dirt as necessary.

        • It is necessary to prevent mud or dirt from entering the quick connector. If mud enters the connector, the O-ring may not properly seal the connection.

        • Disconnect the quick connector by hand.

        • Do not bend or twist the nylon tube.

        • To protect the tubes, cover them with a plastic bag after checking for dirt.

        • If the connector and the pipe are stuck, try wiggling or pushing and pulling the connector to release it. Pull the connector off of the pipe carefully.

    10. Observe these precautions when connecting the fuel cut off tube connector:


      1. A00O8Z8

        Push in the tube connector to the pipe until the connector makes a "click" sound.

        Text in Illustration
        A00O9VA Push

        Note


        • Check if there is any damage or foreign objects on the connected part of the pipe.

        • A00O47B

          After connecting the pipe and the connector, check that the pipe and connector are securely connected by trying to pull them apart.

          Text in Illustration
          A00O9VA Pull

      2. Inspect for fuel leaks.

  3. CHECK FOR FUEL LEAK


    1. Check that there are no fuel leaks after performing maintenance anywhere on the fuel system Click here.