Fuel Injector (For Hatchback) Installation

Apply a light coat of gasoline or spindle oil to new O-rings, then install one onto each fuel injector.

Apply a light coat of gasoline or spindle oil to the contact surfaces of the fuel delivery pipe and the O-ring of the fuel injector.

While turning the fuel injector left and right, install it onto the fuel delivery pipe.

Text in Illustration

	Push
	Turn

NOTICE:

1. Do not twist the O-ring.
   
2. After installing the fuel injectors, check that they turn smoothly. If not, replace the O-ring with a new one.
   
3. If a component has been dropped or subjected to a strong impact, replace it.
   

HINT:

Perform "Inspection After Repairs" after replacing the fuel injector assembly (YARIS_NCP93 RM000004NJD006X.html).

Install the 4 new injector vibration insulators onto the cylinder head.

Install the 2 No. 1 delivery pipe spacers onto the cylinder head.

NOTICE:

Install the delivery pipe No. 1 spacer in the correct direction.

Install the fuel delivery pipe sub-assembly with the 4 fuel injectors, then provisionally install the 3 bolts.

NOTICE:

1. Do not drop the fuel injectors when installing the fuel delivery pipe sub-assembly.
   
2. Check that the fuel injectors rotate smoothly after installing the fuel delivery pipe subassembly.
   

Tighten the 3 bolts to the specified torque.

Torque:

Bolt A:

19 N*m{194 kgf*cm, 14 ft.*lbf}

Bolt B:

9.0 N*m{92 kgf*cm, 80 in.*lbf}

Insert the fuel tube connector into the fuel delivery pipe until a click sound can be heard.

NOTICE:

1. Check that there are no scratches or foreign matter around the disconnected parts of the fuel tube connector and pipe before performing this work.
   
2. After connecting the fuel tube, check that the fuel tube connector and pipe are securely connected by pulling them.
   

Install the EFI fuel pipe clamp.

Apply seal packing to the cylinder head as shown in the illustration.

Seal packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

NOTICE:

1. Remove any oil from the contact surfaces.
   
2. Install the cylinder head cover within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
   
3. Do not start the engine for at least 2 hours after the installation.
   

Install the cylinder head cover sub-assembly with the 9 bolts, 2 nuts and 2 seal washers.

Tighten the 9 bolts and 2 nuts in the sequence shown in the illustration.

Torque:

10 N*m{102 kgf*cm, 7 ft.*lbf}

Install the wire harness bracket with the bolt.

Torque:

13 N*m{130 kgf*cm, 9 ft.*lbf}

Connect the connector and 4 wire harness clamps and connect the engine wire harness.

Connect the 4 fuel injector connectors.

Install the 4 No. 1 ignition coils with the 4 bolts.

Torque:

9.0 N*m{92 kgf*cm, 80 in.*lbf}

NOTICE:

If the body or cap of the ignition coil is dropped or subjected to a strong impact, replace the ignition coil with a new one.

HINT:

Perform "Inspection After Repairs" after replacing the ignition coil assembly (YARIS_NCP93 RM000004NJD006X.html).

Connect the 4 No. 1 ignition coil connectors.

Connect fuel vapor feed hose assembly.

Connect the ventilation hose.

Check fuel pump operation.

1. Connect the Techstream to the DLC3.
   

2. Turn the ignition switch to ON and turn the Techstream main switch on.
   

   NOTICE:

   Do not start the engine.

3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump /Speed.
   

4. Check for pressure in the fuel inlet tube from the fuel line. Check that sounds of fuel flowing from the fuel tank can be heard. If no sounds can be heard, check the integration relay, fuel pump, ECM and wiring connectors.
   

Inspect for fuel leaks.

1. Check for fuel leaks from the fuel system after doing any maintenance or repairs. If there is a fuel leak, repair or replace parts if necessary.
   

Turn the ignition switch off.

Disconnect the Techstream from the DLC3.

Install the No. 2 cylinder head cover with the 4 nuts.

Torque:

7.0 N*m{71 kgf*cm, 62 in.*lbf}