Toyota Yaris: Fuel Injector (for Port Injection) / Removal

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (fuel) / Fuel Injector (for Port Injection) / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel injector assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Replacement of fuel injector assembly

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

CAUTION:

  • Never perform work on fuel system components near any possible ignition sources.
  • Vaporized fuel could ignite, resulting in a serious accident.
  • Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal.
  • Sparks could cause vaporized fuel to ignite, resulting in a serious accident.

NOTICE:

  • After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 120 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.
  • This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

    Click here

HINT:

When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

    -

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

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2. DISCHARGE FUEL SYSTEM PRESSURE

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3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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4. DISCONNECT ENGINE WIRE

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5. REMOVE FUEL PIPE CLAMP

(a) Remove the fuel pipe clamp from the fuel tube connector.

6. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the No. 2 fuel tube sub-assembly from the fuel delivery pipe sub-assembly.

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7. DISCONNECT NO. 4 WATER BY-PASS PIPE

(a) Remove the 3 bolts and No. 4 water by-pass pipe from the cylinder head sub-assembly.

8. REMOVE OIL LEVEL GAUGE SUB-ASSEMBLY

(a) Remove the oil level gauge sub-assembly.

9. REMOVE OIL LEVEL GAUGE GUIDE

(a) Remove the bolt and oil level gauge guide from the cylinder head sub-assembly.

(b) Remove the O-ring from oil level gauge guide.

10. REMOVE FUEL DELIVERY GUARD

(a) Disengage the wire harness clamp.

(b) Remove the 2 bolts, 2 nuts and fuel delivery guard.

11. REMOVE FUEL DELIVERY PIPE

(a) Disconnect the connector.

(b) Remove the 2 bolts and fuel delivery pipe with the 3 fuel injector assemblies from the cylinder head sub-assembly.

NOTICE:

Be careful not to drop the fuel injector assemblies when removing the fuel delivery pipe sub-assembly.

12. REMOVE FUEL DELIVERY SPACER

(a) Remove the 2 fuel delivery spacers from the cylinder head sub-assembly.

13. REMOVE INJECTOR VIBRATION INSULATOR

(a) Remove the 3 injector vibration insulators from the cylinder head sub-assembly.

14. REMOVE NO. 5 ENGINE WIRE

(a) Disconnect the 4 connectors from the 3 fuel injector assemblies and fuel pressure sensor.

(b) Disengage the 2 clamps to remove the No. 5 engine wire from the fuel delivery pipe.

15. REMOVE PORT FUEL INJECTOR ASSEMBLY

(a) Pull the 3 fuel injector assemblies out of the fuel delivery pipe.

(b) Remove the O-ring from each fuel injector assembly.

(c) Attach a tag or label with the corresponding cylinder number to each fuel injector assembly so that they can be installed to their original locations.

NOTICE:

Cover the fuel injector assemblies with plastic bags to prevent damage and contamination.

    Components

    COMPONENTS ILLUSTRATION *1 PORT FUEL INJECTOR ASSEMBLY *2 NO. 5 ENGINE WIRE *3 INJECTOR VIBRATION INSULATOR *4 FUEL DELIVERY SPACER *5 FUEL DELIVERY PIPE *6 FUEL DELIVERY GUARD *7 OIL LEVEL GAUGE GUIDE *8 OIL LEVEL GAUGE SUB-ASSEMBLY *9 NO...

    Inspection

    INSPECTION PROCEDURE 1. INSPECT FUEL INJECTOR ASSEMBLY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below...

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    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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