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 1590 of 2453
FU(H6DO)-29
Front Oxygen (A/F) Sensor
FUEL INJECTION (FUEL SYSTEMS)
3) Connect the connector of front oxygen (A/F)
sensor.
•LH side
•RH side
4) Lower the vehicle.
5) Connect the battery ground cable to the battery.
FU-02139
FU-02140
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 1592 of 2453
FU(H6DO)-31
Rear Oxygen Sensor
FUEL INJECTION (FUEL SYSTEMS)
4) Connect the connector to rear oxygen sensor.
•LH side
•RH side
5) Lower the vehicle.
6) Connect the battery ground cable to the battery.
FU-02143
FU-02144
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 1594 of 2453
FU(H6DO)-33
Main Relay
FUEL INJECTION (FUEL SYSTEMS)
17.Main Relay
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the glove box.
AL, Glove Box.>
3) Remove the harness cover (A).
4) Disconnect the connectors from main relay.
B: INSTALLATION
Install in the reverse order of removal.
FU-02092
(A)
FU-02406
Page 1595 of 2453
FU(H6DO)-34
Fuel Pump Relay
FUEL INJECTION (FUEL SYSTEMS)
18.Fuel Pump Relay
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the glove box.
AL, Glove Box.>
3) Remove the harness cover (A).
4) Disconnect the connector from fuel pump relay.
B: INSTALLATION
Install in the reverse order of removal.
FU-02092
(A)
FU-02407
Page 1596 of 2453
FU(H6DO)-35
Electronic Throttle Control Relay
FUEL INJECTION (FUEL SYSTEMS)
19.Electronic Throttle Control
Relay
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the glove box.
AL, Glove Box.>
3) Remove the harness cover (A).
4) Disconnect the connector from electric throttle
control relay.
B: INSTALLATION
Install in the reverse order of removal.
FU-02092
(A)
FU-02408