Subaru Legacy (2005 year). Manual - part 370

FU(H6DO)-33

FUEL INJECTION (FUEL SYSTEMS)

Rear Oxygen Sensor

• RH  side

3) Hold the harness with clip.
4) Connect the connector to rear oxygen sensor.
• LH  side

• RH  side

5) Lower the vehicle.
6) Connect the ground cable to battery.

FU-02146

FU-02143

FU-02144

IN-00203

FU(H6DO)-34

FUEL INJECTION (FUEL SYSTEMS)

Engine Control Module (ECM)

17.Engine Control Module (ECM)

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the lower inner trim of passenger’s
side.
<Ref. to EI-60, REMOVAL, Lower Inner Trim.>
3) Detach the floor mat of passenger’s seat.
4) Remove the protect cover.

5) Remove the nuts and bolts which hold ECM to
bracket.
6) Remove the clip (A) from bracket.

7) Disconnect the ECM connectors and take out
the ECM.

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. For doing so, all ignition
keys and ID cards need to be prepared. Refer to
“IMMOBILIZER TEACHING OPERATION MANU-
AL”

Tightening torque:

5 N

⋅

m (0.5 kgf-m, 3.7 ft-lb)

IN-00203

FU-02090

(A)

FU-02488

FU(H6DO)-35

FUEL INJECTION (FUEL SYSTEMS)

Main Relay

18.Main Relay

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the glove box. <Ref. to EI-51, REMOV-
AL, Glove Box.>
3) Remove the harness cover (A).

4) Disconnect the connector from main relay.

B: INSTALLATION

Install in the reverse order of removal.

IN-00203

FU-02092

(A)

FU-02406

FU(H6DO)-36

FUEL INJECTION (FUEL SYSTEMS)

Fuel Pump Relay

19.Fuel Pump Relay

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the glove box. <Ref. to EI-51, REMOV-
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.

IN-00203

FU-02092

(A)

FU-02407