1996 SUBARU LEGACY Ecu

B5M0102
10) Remove front sensor.
B: INSTALLATION
Installation is in reverse order of removal procedures.
5. Main Harness
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover.
Disconnect airbag connector (AB3) and (AB8) below steer-
ing column.
CAUTION:
Do not reconnect airbag connector at steering column
until main harness are securely re-installed.
G5M0313
4) Remove console box. Discon-
nect 12-pin yellow connector (AB6) from airbag control
module.
15
5-5SERVICE PROCEDURE
4. Front Sensor - 5. Main Harness

G5M0323
If the airbag control module is deformed, or if water
damage is suspected, replace the airbag control mod-
ule with a new genuine part.
G5M0324
After removal, keep the airbag control module on a
dry, clean surface away from heat and light sources,
and moisture and dust.
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover.
Disconnect airbag connector (AB3) and (AB8) below steer-
ing column.
CAUTION:
Do not reconnect airbag connector at steering column
until airbag control module is securely re-installed.
G5M0313
4) Remove console box.
5) Disconnect 12-pin yellow, 2-pin blue and 2-pin orange
connectors from airbag control module. [M2-6].>
17
5-5SERVICE PROCEDURE
6. Airbag Control Module

B5M0105
6) Using TORX®BIT T40 (Tamper resistant type), remove
two TORX®bolts.
Discard the old TORX®bolts.
CAUTION:
Use new TORX
®bolts during re-assembly.
B: INSTALLATION
Installation is in reverse order of removal procedures.
CAUTION:
Be sure to fully secure all airbag system connectors
during re-assembly and confirm that all green double
lock mechanisms are engaged.
7. Combination Switch
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover. Disconnect
airbag connector (AB3) and (AB8) below steering column.
CAUTION:
Do not reconnect airbag connector at steering column
until combination switch is securely re-installed.
4) Disconnect combination switch connectors from body
harness connector.
H5M0662A
5) Set front wheels in straight ahead position. Using
TORX®BIT T30, remove two TORX®bolts.
18
5-5SERVICE PROCEDURE
6. Airbag Control Module - 7. Combination Switch

B5M0105
6) Using TORX®BIT T40 (Tamper resistant type), remove
two TORX®bolts.
Discard the old TORX®bolts.
CAUTION:
Use new TORX
®bolts during re-assembly.
B: INSTALLATION
Installation is in reverse order of removal procedures.
CAUTION:
Be sure to fully secure all airbag system connectors
during re-assembly and confirm that all green double
lock mechanisms are engaged.
7. Combination Switch
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover. Disconnect
airbag connector (AB3) and (AB8) below steering column.
CAUTION:
Do not reconnect airbag connector at steering column
until combination switch is securely re-installed.
4) Disconnect combination switch connectors from body
harness connector.
H5M0662A
5) Set front wheels in straight ahead position. Using
TORX®BIT T30, remove two TORX®bolts.
18
5-5SERVICE PROCEDURE
6. Airbag Control Module - 7. Combination Switch

G5M0295
4) Do not drop the airbag modulator parts, subject it to
high temperatures over 90°C (194°F), or apply oil, grease,
or water to it; otherwise, the internal parts may be damaged
and its reliability greatly lowered.
G5M0296
5) If any damage or open is found on the SRS airbag sys-
tem wire harness, do not attempt to repair using soldering,
etc. Be sure to replace the faulty harness with a new genu-
ine part.
G5M0297
6) Install the wire harness securely with the specified clips
so as to avoid interference or jamming with other parts.
7) Before connecting the airbag system to ground, make
sure that the grounding terminal is free from paint and
contamination.
5
5-5bSERVICE PROCEDURE
1. Precaution

B5M0098
2) Remove four bolts and then carefully remove airbag
module.
3) Refer to“CAUTION”for handling of a removed airbag
module.
B: INSTALLATION
Installation is in reverse order of removal procedures.
Observe the following: Make sure that ignition switch is off.
CAUTION:
Do not allow harness and connectors to interfere or
get caught with other parts.
4. Main Harness
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover.
Disconnect airbag connector (AB3) and (AB8) below steer-
ing column.
CAUTION:
Do not reconnect airbag connector at steering column
until main harness are securely re-installed.
G5M0313
4) Remove console box. Discon-
nect 12-pin yellow connector (AB6) from airbag control
module.
13
5-5bSERVICE PROCEDURE
3. Airbag Module - 4. Main Harness

B5M0098
2) Remove four bolts and then carefully remove airbag
module.
3) Refer to“CAUTION”for handling of a removed airbag
module.
B: INSTALLATION
Installation is in reverse order of removal procedures.
Observe the following: Make sure that ignition switch is off.
CAUTION:
Do not allow harness and connectors to interfere or
get caught with other parts.
4. Main Harness
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover.
Disconnect airbag connector (AB3) and (AB8) below steer-
ing column.
CAUTION:
Do not reconnect airbag connector at steering column
until main harness are securely re-installed.
G5M0313
4) Remove console box. Discon-
nect 12-pin yellow connector (AB6) from airbag control
module.
13
5-5bSERVICE PROCEDURE
3. Airbag Module - 4. Main Harness

G5M0323
If the airbag control module is deformed, or if water
damage is suspected, replace the airbag control mod-
ule with a new genuine part.
G5M0324
After removal, keep the airbag control module on a
dry, clean surface away from heat and light sources,
and moisture and dust.
A: REMOVAL
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait for at
least 20 seconds before starting work.
G5M0312
3) Remove lower cover.
Disconnect airbag connector (AB3) and (AB8) below steer-
ing column.
CAUTION:
Do not reconnect airbag connector at steering column
until airbag control module is securely re-installed.
B5M0400A
4) Remove console box.
5) Disconnect 12-pin yellow connector from airbag control
module.
15
5-5bSERVICE PROCEDURE
5. Airbag Control Module