Page 1587 of 2453
FU(H6DO)-26
Variable Valve Lift Diagnosis Oil Pressure Switch
FUEL INJECTION (FUEL SYSTEMS)
12.Variable Valve Lift Diagnosis
Oil Pressure Switch
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Remove the air intake chamber.
IN(H6DO)-6, REMOVAL, Air Intake Chamber.>
4) Disconnect the connector from variable valve lift
diagnosis oil pressure switch.
5) Remove the variable valve lift diagnosis oil pres-
sure switch.
•LH side
•RH side
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Apply liquid gasket to variable valve lift diagnosis
oil pressure switch threads.
Liquid gasket:
THREE BOND 1324 (Part No. 004403042) or
equivalent
Tightening torque:
17 N·m (1.7 kgf-m, 12.5 ft-lb)
FU-02136
FU-02137
Page 1588 of 2453
FU(H6DO)-27
Oil Temperature Sensor
FUEL INJECTION (FUEL SYSTEMS)
13.Oil Temperature Sensor
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Remove the air intake chamber.
IN(H6DO)-6, REMOVAL, Air Intake Chamber.>
4) Disconnect the connector from oil temperature
sensor.
5) Remove the oil temperature sensor.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
FU-02138
Page 1589 of 2453

FU(H6DO)-28
Front Oxygen (A/F) Sensor
FUEL INJECTION (FUEL SYSTEMS)
14.Front Oxygen (A/F) Sensor
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift-up the vehicle.
4) Disconnect the connector of front oxygen (A/F)
sensor.
•LH side
•RH side
5) Apply spray-type lubricant to the threaded por-
tion of front oxygen (A/F) sensor, and leave it for
one minute or more.
6) Remove the front oxygen (A/F) sensor.
CAUTION:
When removing the front oxygen (A/F) sensor,
wait until exhaust pipe cools, otherwise it will
damage the exhaust pipe.
•LH side
•RH side
B: INSTALLATION
1) Before installing front oxygen (A/F) sensor, ap-
ply anti-seize compound only to the threaded por-
tion of front oxygen (A/F) sensor to make the next
removal easier.
Anti-seize compound:
NEVER-SEEZ NS-165 or the equivalent
CAUTION:
Never apply anti-seize compound to the protec-
tor of front oxygen (A/F) sensor.
2) Install the front oxygen (A/F) sensor.
Tightening torque:
21 N·m (2.1 kgf-m, 15.2 ft-lb)
•LH side
•RH side
FU-02139
FU-02140
FU-02141
FU-02142
FU-02141
FU-02142
Page 1591 of 2453

FU(H6DO)-30
Rear Oxygen Sensor
FUEL INJECTION (FUEL SYSTEMS)
15.Rear Oxygen Sensor
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift-up the vehicle.
4) Disconnect the connector from rear oxygen sen-
sor.
•LH side
•RH side
5) Remove the clip holding the harness.
6) Apply spray-type lubricant to the threaded por-
tion of rear oxygen sensor, and leave it for one
minute or more.
7) Remove the rear oxygen sensor.
CAUTION:
When removing the rear oxygen sensor, wait
until exhaust pipe cools, otherwise it will dam-
age the exhaust pipe.
•LH side
•RH side
B: INSTALLATION
1) Before installing rear oxygen sensor, apply the
anti-seize compound only to the threaded portion of
rear oxygen sensor to make the next removal eas-
ier.
Anti-seize compound:
NEVER-SEEZ NS-165 or the equivalent
CAUTION:
Never apply anti-seize compound to the protec-
tor of rear oxygen sensor.
2) Install the rear oxygen sensor.
Tightening torque:
21 N·m (2.1 kgf-m, 15.2 ft-lb)
•LH side
•RH side
3) Hold the harness with clip.
FU-02143
FU-02144
FU-02145
FU-02146
FU-02145
FU-02146
Page 1593 of 2453
FU(H6DO)-32
Engine Control Module (ECM)
FUEL INJECTION (FUEL SYSTEMS)
16.Engine Control Module (ECM)
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the front pillar lower trim and console
side panel lower RH of passenger's side.
3) Detach the floor mat of passenger's seat.
4) Remove the protect cover.
5) Remove the nuts which hold the ECM to the
bracket.
6) Remove the clip (A) from bracket.
B: INSTALLATION
Install in the reverse order of removal.
CAUTION:
•When replacing the ECM, be careful not to
use the wrong spec. ECM to avoid any damage
on the fuel injection system.
•When replacing the ECM, be careful not to
damage the harnesses and connectors.
•When replacing the ECM, immobilizer system
must be registered. To do so, all ignition keys
and ID cards need to be prepared. Refer to the
“IMMOBILIZER TEACHING OPERATION MANU-
AL”.
Tightening torque:
5 N·m (0.5 kgf-m, 3.6 ft-lb)
FU-02090
FU-02682
Page 1598 of 2453

FU(H6DO)-37
Fuel
FUEL INJECTION (FUEL SYSTEMS)
21.Fuel
A: PROCEDURE
1. RELEASING OF FUEL PRESSURE
WARNING:
•Place “NO FIRE” signs near the working area.
•Be careful not to spill fuel on the floor.
1) Remove the fuse of fuel pump from main fuse
box.
2) Start the engine and run until it stalls.
3) After the engine stalls, crank it for five 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 on the floor.
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Open the fuel filler flap lid, and remove the fuel
filler cap.
4) Lift-up the vehicle.
5) Remove the fuel tank protector.
6) Set a container under the vehicle and remove
the drain plug from fuel tank to drain fuel from fuel
tank.
7) Tighten the fuel drain plugs.
NOTE:
Use a new gasket.
Tightening torque:
26 N·m (2.65 kgf-m, 19.2 ft-lb)
8) Install the fuel tank protector.
NOTE:
Use a new nut.
Tightening torque:
Nut
9 N·m (0.9 kgf-m, 6.6 ft-lb)
Bolt
17.5 N·m (1.78 kgf-m, 12.9 ft-lb)
FU-01122
FU-02765
Page 1600 of 2453

FU(H6DO)-39
Fuel Tank
FUEL INJECTION (FUEL SYSTEMS)
14) Remove the fuel tank from the vehicle.
WARNING:
A helper is required to perform this work.
(1) Support the fuel tank with the transmission
jack.
(2) Remove the fuel tank band that holds the
fuel tank.
(3) Remove the fuel tank from the vehicle.
B: INSTALLATION
1) Install the fuel tank to the vehicle.
WARNING:
A helper is required to perform this work.
(1) Lift the fuel tank with the transmission jack.
(2) Mount the fuel tank to the vehicle with a jack.
(3) Install the fuel tank band that holds the fuel
tank.
Tightening torque:
33 N·m (3.4 kgf-m, 25 ft-lb)
2) Connect the following hoses and connectors.
(1) Evaporation hose
(2) Fuel filler hose
(3) Connector
3) Install the rear suspension assembly.
RS-16, INSTALLATION, Rear Sub Frame.>
4) Install the clip that holds the harness.
5) Lower the vehicle.
6) Install the rear wheels.
7) Connect the quick connector on fuel delivery
hose.
Fuel Delivery, Return and Evaporation Lines.>
8) Install the service hole cover of fuel sub level
sensor.
FU-02666
FU-02666
(A) Evaporation hose
(B) Connector
(C) Fuel filler hose
FU-02665
(A)
(B)
(C)
FU-02664
FU-02662
Page 1603 of 2453
FU(H6DO)-42
Fuel Filler Pipe
FUEL INJECTION (FUEL SYSTEMS)
5) Tighten the bolts which hold fuel filler pipe brack-
et on the body.
Tightening torque:
7.5 N·m (0.76 kgf-m, 5.5 ft-lb)
6) Install the rear suspension assembly.
RS-16, INSTALLATION, Rear Sub Frame.>
7) Install the mud guard.
LATION, Mud Guard.>
8) Install the rear wheel RH.
9) Lower the vehicle.
10) Connect the battery ground cable to the bat-
tery.
FU-02667
FU-00096