FUEL SYSTEM TOYOTA AVANZA PREVENTION OF THE INITIAL STEP DISASSEMBLY
1.PREVENTION STEP
a.Prior to working fuel system, disconnect the cable from the battery negative terminal.
b.Do not work on the fuel system adjacent to the flame of any kind. Do not smoke while working.
c.Keep the rubber part and the skin away from gasoline.
2.REMOVE THE FUEL PRESSURE SYSTEM
WARNING:
@.Before removing the fuel system parts, do the precautions to avoid slipping gasoline.
@.Usually some of the pressure is still stored in the fuel line to prevent slip therefore gasoline, use a cloth or cotton waste (laps) to prevent fuel spray when removing the fuel lines.
a.Remove the 3 screws and 2 clips, then remove the cover under instrument panel No. A.
b.Remove the relay F / P from the fuse box.
c.Turn on the machine.d.Turn the ignition switch off.
e.Cranking the engine again, and check if the engine will not turn on.
f.Open the fuel tank cap, and remove the contents in the fuel tank completely.
g.Disconnect the negative battery cable from the terminal.
h.Replace the relay F / P on the fuse block.
i.Replace the cover under instrument panel No. 1 with 2 screws and 2 clips.
3.FUEL SYSTEM
a.When deciding which high pressure fuel lines, pretty much gasoline will spill.Therefore, follow these precautions.
i.Perform preventive measures to prevent gasoline spills.
ii.Put in place near the bottom of the connection.
iii.Remove the fuel suction pipe from the main fuel pipe (See page click here).
iv.Remove the suction pipe of the fuel pump the fuel pipe (See page click here).
v.Remove the fuel that remains in the fuel suction pipe.
vi.Close the fuel pipe connectors, the main pipe and the fuel pump fuel pipes that are released with a plastic bag to prevent foreign object damage and insert.
b.Follow these warnings when removing and installing fuel injectors.
i.Do not reuse O-ring.
ii.Do not damage the O-ring when installing the new O-ring on the fuel injector.
iii.Before installing the new O-ring, give the spindle oil or gasoline.
CAUTION:
Do not wear engine oil, gear oil or brake fluid.
iv.Replace the fuel injector in fuel delivery pipe and cylinder head as shown.
CAUTION:
Give the spindle oil or gasoline on the contact surface of the fuel delivery pipe before installing the fuel injector.
c.Follow these precautions when removing the fuel pipe connector (Type A).
i.Check the fuel pipe connector and the main fuel pipe from the dust or mud before unplugging the fuel pipe.If dirty, clean with a cloth or cotton waste cloth.
ii.Remove the claw and push down the retainer as shown.
iii.Pull out the fuel pipe from the main pipeline fuel.
iv.If the fuel pipe connector and the main pipe jammed fuel, fuel main pipe clamp, then pull the plug to release the fuel pipe and unplug the fuel pipe.
CAUTION:
Do not use any tool.
v.After removing the fuel pipe connectors, check the sealing surface of the main pipe fuel to dirt and mud.If dirty, clean with a cloth or cotton waste cloth.
vi.Close the fuel pipe connector and the main fuel pipe that is released with a plastic bag to prevent foreign object damage and insert.
d.Follow these precautions when removing the fuel pipe connector (Type A).
i.Insert the fuel pipe until the pipe is touching the main fuel pipe, then slide into a retainer to make a sound "click".
INSTRUCTIONS:If the pipes are connected too tight, apply a thin new engine oil to the tip of the main pipeline fuel.
ii.After connecting the fuel pipe, check that the fuel pipe and fuel main pipe is connected securely to pull it.
e.Follow these precautions when removing the fuel pipe connector (Type B).
i.Check the pipe connector and pipe the fuel pump fuel from the dust or mud before unplugging the fuel pipe.If dirty, clean with a cloth or cotton waste cloth.
ii.Pinch the retainer as in the picture, then pull the plug out of the fuel pipe line fuel pump.
CAUTION:
If the retainer has been released from the fuel pump piping, be sure to replace the suction pipe with a new fuel.
iii.If the fuel pipe connector and pipe stuck fuel pump, retainer clips, then push and pull the plug to release the fuel pipe and fuel pipe connector release.
CAUTION:Do not use any tool.
iv.After removing the fuel pipe connectors, check the sealing surface of the fuel pump pipe to dirt and mud.If dirty, clean with a cloth or cotton waste cloth.
v.Close the connector pipe and the fuel pump fuel pipes that are released with a plastic bag to prevent foreign object damage and insert.
f.Follow these precautions when removing the fuel pipe connector (Type B).
i.Align the connector pipe to the fuel pump the fuel pipe, and then press the connector to the fuel pipe retainer marked with the sound "click".
INSTRUCTIONS:
If the pipes are connected too tight, apply a thin new engine oil to the ends of the pipe the fuel pump.
ii.After connecting the fuel pipe connectors, check that the fuel pipe and the pipe connecting the fuel pump was safe to pull it.
4.CHECK THE FUEL LEAK
a.Check that no fuel leaks after performing maintenance on the fuel system.
FUEL SYSTEM SYSTEM DIAGRAM TOYOTA AVANZA
5.CHECK THE FUEL PRESSURE
a.Perform preventive measures to prevent gasoline spills .
b.Measure the battery voltage.
Voltage standard:11 to 14 V
c.Disconnect the negative battery cable from the terminal.
d.Remove the hose from the fuel pulsation damper, then plug the SST.
e.Clean up spilled gasoline.
f.Connect the cable from the battery negative terminal.
moments:
6.4 N * m {65 kgf * cm, 56 ins. * Lbf}
g.Movement of fuel pumps (see step 2. CHECK THE FUEL PUMP TO WORK).
h.Measure the fuel pressure.
Fuel pressure:
319 to 329 kPa (3.3 to 3.4 kgf/cm2, 46 to 48 psi)
@.When the fuel pressure is greater than the standard value, replace the fuel pump.
@.When the fuel pressure is less than the standard value, check hoses, connectionof fuel hoses, fuel pump, fuel filter and fuel pressure regulator.
i.Replace the relay F / P.
j.Before measuring the fuel pressure, disconnect the cable from the batterynegative terminal. SST off while being careful to avoid spilling gasoline.
k.Remove the fuel hose to the pulsation damper.
6.CHECK THE FUEL PUMP TO WORK
a.Remove the relay F / P from the fuse box.
b.Use a cable service, connect the terminal B and L in the fuse box.
CAUTION:
Be sure not to connect the terminal one. They may cause malfunctions.
c.Turn the ignition switch to ON, and check that the fuel pump working.
CAUTION:
Do not turn the engine
d.Check that the pulsation damper screw pushed up when the fuel pump working.
If not, check the following part of this.
@.fusible link
@.Fuse-fuse
@.EFI relay
@.Relay F / P
@.Fuel pump
@.ECM
@.wiring relationships
e.Turn the ignition switch to OFF.
f.Replace the relay F / P.
All New Avanza & The All New Avanza Veloz
1.PREVENTION STEP
a.Prior to working fuel system, disconnect the cable from the battery negative terminal.
b.Do not work on the fuel system adjacent to the flame of any kind. Do not smoke while working.
c.Keep the rubber part and the skin away from gasoline.
2.REMOVE THE FUEL PRESSURE SYSTEM
WARNING:
@.Before removing the fuel system parts, do the precautions to avoid slipping gasoline.
@.Usually some of the pressure is still stored in the fuel line to prevent slip therefore gasoline, use a cloth or cotton waste (laps) to prevent fuel spray when removing the fuel lines.
a.Remove the 3 screws and 2 clips, then remove the cover under instrument panel No. A.
b.Remove the relay F / P from the fuse box.
c.Turn on the machine.d.Turn the ignition switch off.
e.Cranking the engine again, and check if the engine will not turn on.
f.Open the fuel tank cap, and remove the contents in the fuel tank completely.
g.Disconnect the negative battery cable from the terminal.
h.Replace the relay F / P on the fuse block.
i.Replace the cover under instrument panel No. 1 with 2 screws and 2 clips.
3.FUEL SYSTEM
a.When deciding which high pressure fuel lines, pretty much gasoline will spill.Therefore, follow these precautions.
i.Perform preventive measures to prevent gasoline spills.
ii.Put in place near the bottom of the connection.
iii.Remove the fuel suction pipe from the main fuel pipe (See page click here).
iv.Remove the suction pipe of the fuel pump the fuel pipe (See page click here).
v.Remove the fuel that remains in the fuel suction pipe.
vi.Close the fuel pipe connectors, the main pipe and the fuel pump fuel pipes that are released with a plastic bag to prevent foreign object damage and insert.
b.Follow these warnings when removing and installing fuel injectors.
i.Do not reuse O-ring.
ii.Do not damage the O-ring when installing the new O-ring on the fuel injector.
iii.Before installing the new O-ring, give the spindle oil or gasoline.
CAUTION:
Do not wear engine oil, gear oil or brake fluid.
iv.Replace the fuel injector in fuel delivery pipe and cylinder head as shown.
CAUTION:
Give the spindle oil or gasoline on the contact surface of the fuel delivery pipe before installing the fuel injector.
c.Follow these precautions when removing the fuel pipe connector (Type A).
i.Check the fuel pipe connector and the main fuel pipe from the dust or mud before unplugging the fuel pipe.If dirty, clean with a cloth or cotton waste cloth.
ii.Remove the claw and push down the retainer as shown.
iii.Pull out the fuel pipe from the main pipeline fuel.
iv.If the fuel pipe connector and the main pipe jammed fuel, fuel main pipe clamp, then pull the plug to release the fuel pipe and unplug the fuel pipe.
CAUTION:
v.After removing the fuel pipe connectors, check the sealing surface of the main pipe fuel to dirt and mud.If dirty, clean with a cloth or cotton waste cloth.
vi.Close the fuel pipe connector and the main fuel pipe that is released with a plastic bag to prevent foreign object damage and insert.
d.Follow these precautions when removing the fuel pipe connector (Type A).
i.Insert the fuel pipe until the pipe is touching the main fuel pipe, then slide into a retainer to make a sound "click".
INSTRUCTIONS:If the pipes are connected too tight, apply a thin new engine oil to the tip of the main pipeline fuel.
ii.After connecting the fuel pipe, check that the fuel pipe and fuel main pipe is connected securely to pull it.
e.Follow these precautions when removing the fuel pipe connector (Type B).
i.Check the pipe connector and pipe the fuel pump fuel from the dust or mud before unplugging the fuel pipe.If dirty, clean with a cloth or cotton waste cloth.
ii.Pinch the retainer as in the picture, then pull the plug out of the fuel pipe line fuel pump.
CAUTION:
If the retainer has been released from the fuel pump piping, be sure to replace the suction pipe with a new fuel.
iii.If the fuel pipe connector and pipe stuck fuel pump, retainer clips, then push and pull the plug to release the fuel pipe and fuel pipe connector release.
CAUTION:Do not use any tool.
iv.After removing the fuel pipe connectors, check the sealing surface of the fuel pump pipe to dirt and mud.If dirty, clean with a cloth or cotton waste cloth.
v.Close the connector pipe and the fuel pump fuel pipes that are released with a plastic bag to prevent foreign object damage and insert.
f.Follow these precautions when removing the fuel pipe connector (Type B).
i.Align the connector pipe to the fuel pump the fuel pipe, and then press the connector to the fuel pipe retainer marked with the sound "click".
INSTRUCTIONS:
If the pipes are connected too tight, apply a thin new engine oil to the ends of the pipe the fuel pump.
ii.After connecting the fuel pipe connectors, check that the fuel pipe and the pipe connecting the fuel pump was safe to pull it.
4.CHECK THE FUEL LEAK
a.Check that no fuel leaks after performing maintenance on the fuel system.
FUEL SYSTEM SYSTEM DIAGRAM TOYOTA AVANZA
a.Perform preventive measures to prevent gasoline spills .
b.Measure the battery voltage.
Voltage standard:11 to 14 V
c.Disconnect the negative battery cable from the terminal.
d.Remove the hose from the fuel pulsation damper, then plug the SST.
e.Clean up spilled gasoline.
f.Connect the cable from the battery negative terminal.
moments:
6.4 N * m {65 kgf * cm, 56 ins. * Lbf}
g.Movement of fuel pumps (see step 2. CHECK THE FUEL PUMP TO WORK).
h.Measure the fuel pressure.
Fuel pressure:
319 to 329 kPa (3.3 to 3.4 kgf/cm2, 46 to 48 psi)
@.When the fuel pressure is greater than the standard value, replace the fuel pump.
@.When the fuel pressure is less than the standard value, check hoses, connectionof fuel hoses, fuel pump, fuel filter and fuel pressure regulator.
i.Replace the relay F / P.
j.Before measuring the fuel pressure, disconnect the cable from the batterynegative terminal. SST off while being careful to avoid spilling gasoline.
k.Remove the fuel hose to the pulsation damper.
6.CHECK THE FUEL PUMP TO WORK
a.Remove the relay F / P from the fuse box.
b.Use a cable service, connect the terminal B and L in the fuse box.
CAUTION:
Be sure not to connect the terminal one. They may cause malfunctions.
c.Turn the ignition switch to ON, and check that the fuel pump working.
CAUTION:
Do not turn the engine
d.Check that the pulsation damper screw pushed up when the fuel pump working.
If not, check the following part of this.
@.fusible link
@.Fuse-fuse
@.EFI relay
@.Relay F / P
@.Fuel pump
@.ECM
@.wiring relationships
e.Turn the ignition switch to OFF.
f.Replace the relay F / P.
All New Avanza & The All New Avanza Veloz
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