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FU(H4SO)-43
FUEL INJECTION (FUEL SYSTEM)
Rear Oxygen Sensor
5) Connect the battery ground cable to battery.
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FU(H4SO)-44
FUEL INJECTION (FUEL SYSTEM)
Engine Control Module (ECM)
16.Engine Control Module (ECM)
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the lower inner trim of passenger side.
3) Detach the floor mat of front passenger seat.
4) Remove the protect cover.
5) Remove the nuts (A) which hold ECM to the
bracket.
6) Remove the clip (B) from the bracket.
7) Disconnect the ECM connectors and take out
the ECM.
B: INSTALLATION
Install in the reverse order of removal.
CAUTION:
When replacing ECM, be careful not to use the
wrong spec. ECM to avoid any damage to the
fuel injection system.
Tightening torque:
5 N
⋅m (0.51 kgf-m, 3.7 ft-lb)
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(A)
(A)
(B)
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FU(H4SO)-45
FUEL INJECTION (FUEL SYSTEM)
Main Relay
17.Main Relay
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the passenger’s side front side sill cov-
er.
3) Remove the bolt which holds main bracket on
the body.
4) Disconnect the connectors from the main relay.
B: INSTALLATION
Install in the reverse order of removal.
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FU(H4SO)-46
FUEL INJECTION (FUEL SYSTEM)
Fuel Pump Relay
18.Fuel Pump Relay
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the passenger’s side front side sill cov-
er.
3) Remove the bolt which holds fuel pump relay
bracket on the body.
4) Disconnect the connector from the fuel pump.
5) Remove the fuel pump relay from the mounting
bracket.
B: INSTALLATION
Install in the reverse order of removal.
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FU(H4SO)-47
FUEL INJECTION (FUEL SYSTEM)
Fuel
19.Fuel
A: OPERATION
1. RELEASING OF FUEL PRESSURE
WARNING:
Place “NO FIRE” signs near the working area.
Be careful not to spill fuel.
1) Disconnect the connector from fuel pump relay.
2) Start the engine and run it until it stalls.
3) After the engine stalls, crank it for 5 more sec-
onds.
4) Turn the ignition switch to OFF.
2. DRAINING FUEL
WARNING:
Place “NO FIRE” signs near the working area.
Be careful not to spill fuel.
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Open the fuel filler flap lid and remove fuel filler
cap.
4) Lift-up the vehicle.5) Drain fuel from the fuel tank.
Set a container under the vehicle and remove the
drain plug from fuel tank.
6) Tighten the fuel drain plug.
Tightening torque:
26 N
⋅m (2.7 kgf-m, 19.2 ft-lb)
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FU(H4SO)-48
FUEL INJECTION (FUEL SYSTEM)
Fuel Tank
20.Fuel Tank
A: REMOVAL
WARNING:
Place “NO FIRE” signs near the working area.
Be careful not to spill fuel.
1) Set the vehicle on a lift.
2) Release the fuel pressure.
47, RELEASING OF FUEL PRESSURE, OPERA-
TION, Fuel.>
3) Drain fuel from the fuel tank.
47, DRAINING FUEL, OPERATION, Fuel.>
4) Remove the rear seat.
5) Disconnect the connector (A) of fuel tank cord to
rear harness.
6) Push the grommet (B) which holds fuel tank cord
on floor panel into under the body.
7) Remove the rear crossmember.
REMOVAL, Rear Crossmember.>
8) Disconnect the two-way valve hose (A) from
two-way valve and disconnect the canister hose (B)
from canister.9) Loosen the clamp and disconnect the fuel filler
hose and air vent hose from fuel filler pipe.
10) Move the clips, and disconnect quick connec-
tor.
ery, Return and Evaporation Lines.>
11) Disconnect the fuel hoses.
12) Support the fuel tank with transmission jack,
and remove the bolts from bands and dismount fuel
tank from the vehicle.
WARNING:
A helper is required to perform this work.
(B)
(A)
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(A)
(B)
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FU(H4SO)-49
FUEL INJECTION (FUEL SYSTEM)
Fuel Tank
B: INSTALLATION
1) Support the fuel tank with transmission jack and
push the fuel tank harness into access hole with
grommet.
2) Set the fuel tank and temporarily tighten the
bolts of fuel tank bands.
WARNING:
A helper is required to perform this work.
3) Connect the two-way valve hose (A) to two-way
valve and connect the canister hose (B) to canister.
4) Connect the fuel filler hose and air vent hose.5) Connect the fuel hoses, and secure them with
clips and quick connector.
INSTALLATION, Fuel Delivery, Return and Evapo-
ration Lines.>
6) Tighten the band mounting bolts.
Tightening torque:
33 N
⋅m (3.4 kgf-m, 24.3 ft-lb)
7) Install the rear crossmember.
INSTALLATION, Rear Crossmember.>
8) Connect the connector (A) to fuel tank cord and
plug the service hole with grommet (B).
9) Set the rear seat and floor mat.
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(A)(B)
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(B)
(A)
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FU(H4SO)-50
FUEL INJECTION (FUEL SYSTEM)
Fuel Tank
10) Connect the connector to fuel pump relay.
C: INSPECTION
1) Make sure there are no cracks, holes, or other
damage on the fuel tank.
2) Make sure that the fuel hoses and fuel pipes are
not cracked and that connections are tight.
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