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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Fuel System (1AR-FE) (Service Information) (Except Hybrid)) >> Fuel Injector >> Removal [12/2013 - ] >> Procedure

Removal [12/2013 - ]: Procedure

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  1. PRECAUTION 
    NOTE:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work.

    Refer to PRECAUTION [12/2013 - 11/2016] , or refer to PRECAUTION [11/2016 - ]

  2. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [12/2013 - 11/2016] , or refer to PRECAUTION [11/2016 - ]

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [12/2013 - 11/2016] , or refer to INITIALIZATION [11/2016 - ]

  4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24 , or refer to PROCEDURE - Step 24

  5. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 3

  6. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    NOTE:

    Remove any dirt or foreign matter on the fuel tube connector and fuel pipe before performing this work.

    1. Disengage the claw and remove the No. 1 fuel pipe clamp.
      GTY427957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the fuel tube sub-assembly from the fuel pipe.
      1. Pinch the retainer of the fuel tube connector, and then pull the fuel tube connector off of the fuel pipe.
        GTY442897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Retainer
        *b O-ring
        *c Fuel Tube Connector
        *d Fuel Pipe
        *e Nylon Tube
        Pinch
        Pull
        NOTE:

        Be sure to disconnect the fuel tube connector by hand.

      2. If the fuel tube connector and fuel pipe are stuck, push and pull the fuel tube connector to release it. Pull the fuel tube connector off of the fuel pipe carefully.
        NOTE:
        • Be sure to disconnect the fuel tube connector by hand.
        • Do not allow any scratches or foreign matter to get on the parts when disconnecting them as the fuel tube connector has O-rings that seal the fuel pipe.
        • Do not forcibly bend, twist or turn the nylon tube.
      3. Check if there is any foreign matter on the sealing surfaces of the disconnected fuel lines. Clean them if necessary.
      4. Cover the disconnected fuel pipe and fuel tube connector with plastic bags to prevent damage and contamination.
    3. Disengage the clamp to disconnect the fuel tube sub-assembly from the fuel hose clamp.
  7. REMOVE VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) 

    Refer to PROCEDURE - Step 4

  8. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  9. DISCONNECT ENGINE WIRE 
    1. Disconnect the 4 fuel injector assembly connectors, throttle body with motor assembly connector and sensor wire connector.
      GTY450941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and separate the 2 wire harness brackets from the intake manifold.
    3. Disengage the clamp to disconnect the engine wire.
  10. REMOVE FUEL DELIVERY PIPE 
    1. Remove the 2 bolts and fuel delivery pipe with the 4 fuel injector assemblies.
      GTY318090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not drop the fuel injector assemblies when removing the fuel delivery pipe.

    2. Remove the 2 fuel delivery spacers from the cylinder head sub-assembly.
      GTY425477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuel Delivery Spacer
      *2 Injector Vibration Insulator
    3. Remove the 4 injector vibration insulators from the cylinder head sub-assembly.
  11. REMOVE FUEL INJECTOR ASSEMBLY 
    1. Pull the 4 fuel injector assemblies out of the fuel delivery pipe.
      GTY446961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from each fuel injector assembly.
    3. For reinstallation, attach a tag or label with the corresponding cylinder number to each fuel injector assembly.
      NOTE:

      Protect the fuel injector assemblies by covering them with plastic bags.

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