SUBARU LEGACY 1997 Service Repair Manual
Page 511 of 3342
G2M0434
2) Detach floor mat of front passenger seat.
3) Remove protect cover.
B2M0363
4) Release the lock of ECM connector and disconnect it.
5) Remove nuts which install ECM onto body.
6) Take out ECM.
B2M0364
7) Connect ECM connector and lock it.
8) Installation is in the reverse order of removal.
G6M0095
16. Main Relay
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B5M0024A
2) Remove lower cover and then disconnect connectors.
3) Lower transmission control module.
4) Remove the front pillar lower trim.
<Ref. to 5-3 [W5A1].>
5) Remove fuse box mounting nuts.
6) Lower fuse box.
7) Remove fuse box mounting bracket.
32
2-7SERVICE PROCEDURE
15. Engine Control Module - 16. Main Relay
Page 512 of 3342
G2M0438
8) Remove screw which retains bracket of main relay1
and fuel pump relay2.
9) Disconnect connector from main relay.
G2M0438
10) Installation is in the reverse order of removal.
1Main relay
2Fuel pump relay
G6M0095
17. Fuel Pump Relay
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B5M0024A
2) Remove lower cover and then disconnect connectors.
3) Lower transmission control module.
4) Remove the front pillar lower trim.
<Ref. to 5-3 [W5A1].>
5) Remove fuse box mounting nuts.
6) Lower fuse box.
7) Remove fuse box mounting bracket.
G2M0438
8) Remove fuel pump relay from main relay and fuel pump
relay mounting bracket.
9) Disconnect connector from fuel pump relay.
33
2-7SERVICE PROCEDURE
16. Main Relay - 17. Fuel Pump Relay
Page 513 of 3342
G2M0438
8) Remove screw which retains bracket of main relay1
and fuel pump relay2.
9) Disconnect connector from main relay.
G2M0438
10) Installation is in the reverse order of removal.
1Main relay
2Fuel pump relay
G6M0095
17. Fuel Pump Relay
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B5M0024A
2) Remove lower cover and then disconnect connectors.
3) Lower transmission control module.
4) Remove the front pillar lower trim.
<Ref. to 5-3 [W5A1].>
5) Remove fuse box mounting nuts.
6) Lower fuse box.
7) Remove fuse box mounting bracket.
G2M0438
8) Remove fuel pump relay from main relay and fuel pump
relay mounting bracket.
9) Disconnect connector from fuel pump relay.
33
2-7SERVICE PROCEDURE
16. Main Relay - 17. Fuel Pump Relay
Page 514 of 3342
G2M0438
10) Installation is in the reverse order of removal.
1Main relay
2Fuel pump relay
B2M1254
18. Air Intake Chamber
A: REMOVAL AND INSTALLATION
1) Loosen clamps which connect air intake chamber to
throttle body and air intake duct.
2) Disconnect air hoses from air intake chamber.
3) Remove bolts which secure air intake chamber to stays.
4) Remove air intake chamber.
5) Installation is in the reverse order of removal.
Tightening torque:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
G6M0095
19. Knock Sensor
A: REMOVAL
1. 2200 cc MODEL
1) Disconnect battery ground cable from battery ground
terminal.
B2M1679
2) Remove air intake chamber.
<Ref. to 2-7 [W18A0].>
34
2-7SERVICE PROCEDURE
17. Fuel Pump Relay - 19. Knock Sensor
Page 515 of 3342
G2M0438
10) Installation is in the reverse order of removal.
1Main relay
2Fuel pump relay
B2M1254
18. Air Intake Chamber
A: REMOVAL AND INSTALLATION
1) Loosen clamps which connect air intake chamber to
throttle body and air intake duct.
2) Disconnect air hoses from air intake chamber.
3) Remove bolts which secure air intake chamber to stays.
4) Remove air intake chamber.
5) Installation is in the reverse order of removal.
Tightening torque:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
G6M0095
19. Knock Sensor
A: REMOVAL
1. 2200 cc MODEL
1) Disconnect battery ground cable from battery ground
terminal.
B2M1679
2) Remove air intake chamber.
<Ref. to 2-7 [W18A0].>
34
2-7SERVICE PROCEDURE
17. Fuel Pump Relay - 19. Knock Sensor
Page 516 of 3342
G2M0438
10) Installation is in the reverse order of removal.
1Main relay
2Fuel pump relay
B2M1254
18. Air Intake Chamber
A: REMOVAL AND INSTALLATION
1) Loosen clamps which connect air intake chamber to
throttle body and air intake duct.
2) Disconnect air hoses from air intake chamber.
3) Remove bolts which secure air intake chamber to stays.
4) Remove air intake chamber.
5) Installation is in the reverse order of removal.
Tightening torque:
4.9±0.5 N⋅m (0.5±0.05 kg-m, 3.6±0.4 ft-lb)
G6M0095
19. Knock Sensor
A: REMOVAL
1. 2200 cc MODEL
1) Disconnect battery ground cable from battery ground
terminal.
B2M1679
2) Remove air intake chamber.
<Ref. to 2-7 [W18A0].>
34
2-7SERVICE PROCEDURE
17. Fuel Pump Relay - 19. Knock Sensor
Page 517 of 3342
B2M1680A
3) Remove band clip which fastens engine harness to
engine coolant hose.
B2M1681
4) Disconnect knock sensor connector.
B2M1682
5) Remove knock sensor from cylinder block.
G6M0095
2. 2500 cc MODEL
1) Disconnect battery ground cable from battery ground
terminal.
B2M1683
2) Remove air intake chamber.
<Ref. to 2-7 [W18A0].>
35
2-7SERVICE PROCEDURE
19. Knock Sensor
Page 518 of 3342
B2M1179D
3) Remove operating cylinder. (MT vehicle only)
B2M1684
NOTE:
Place the operating cylinder where it will not interfere with
the work in process.
B2M1685A
4) Remove band clip which fastens engine harness to
engine coolant hose.
B2M1686
5) Disconnect knock sensor connector.
B2M1682
6) Remove knock sensor from cylinder block.
36
2-7SERVICE PROCEDURE
19. Knock Sensor
Page 519 of 3342
B2M1682A
B: INSTALLATION
1. 2200 cc MODEL
1) Install knock sensor to cylinder block.
Tightening torque:
23.5±2.9 N⋅m (2.4±0.3 kg-m, 17.3±2.1 ft-lb)
NOTE:
The extraction area of the knock sensor cord must be posi-
tioned at a 45°angle relative to the engine rear.
B2M1681
2) Connect knock sensor connector.
B2M1687A
NOTE:
The knock sensor cord must pass between the engine
harness and engine coolant hose.
B2M1680A
3) Fasten engine harness to engine coolant hose with
band clip.
NOTE:
Make sure that the throttle linkage does not interfere with
other parts in the operating area.
B2M1679
4) Install air intake chamber. <Ref. to 2-7 [W18A0].>
37
2-7SERVICE PROCEDURE
19. Knock Sensor
Page 520 of 3342
G6M0095
5) Connect battery ground cable to battery ground termi-
nal.
B2M1682A
2. 2500 cc MODEL
1) Install knock sensor to cylinder block.
Tightening torque:
23.5±2.9 N⋅m (2.4±0.3 kg-m, 17.3±2.1 ft-lb)
NOTE:
The extraction area of the knock sensor cord must be posi-
tioned at a 45°angle relative to the engine rear.
B2M1686
2) Connect knock sensor connector.
B2M1688A
NOTE:
The connector must be connected to the engine front end
of the engine coolant hose.
B2M1689A
38
2-7SERVICE PROCEDURE
19. Knock Sensor