1999 SUBARU LEGACY Service Repair Manual

6. 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.
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.
G5M0312
4) Disconnect combination switch connectors
from body harness connector.
5) Set front wheels in straight ahead position.
Using TORX
TBIT T30, remove two TORXTbolts.
H5M0662A
6) Disconnect airbag connector on back of airbag
module. Remove airbag
module, and place it with pad side facing upward.

H5M0664
7) Using steering puller, remove steering wheel.
CAUTION:
Do not allow connector to interfere when
removing steering wheel.
G5M0332
8) Remove steering column covers.
9) Removing two retaining screws, remove combi-
nation switch.
B5M0106
B: ADJUSTMENT
1. CENTERING ROLL CONNECTOR
Before installing steering wheel, make sure to cen-
ter roll connector built into combination switch.
1) Make sure that front wheels are positioned
straight ahead.
2) Install steering gearbox, steering shaft and
combination switch properly. Turn roll connector
pin (A) clockwise until it stops.
3) Then, back off roll connector pin (A) approxi-
mately 2.65 turns until ªGº marks aligned.
B5M0457A
15
[W6B1]5-5SERVICE PROCEDURE
6. Combination Switch

C: INSTALLATION
CAUTION:
Failure to do this might damage roll connector.
1) Before installing combination switch, check to
ensure that combination switch is off and front
wheels are set in the straight ahead position.
2) Install column cover and center roll connector.
3) Install steering wheel in neutral position. Care-
fully insert roll connector pin (A) into hole on steer-
ing wheel.
NOTE:
If steering wheel angle requires fine adjustment,
adjust tie-rod.
B5M0457A
4) Install airbag module and lower cover in the
reverse order of removal.
7. Front Sub Sensor
A: REMOVAL AND INSTALLATION
CAUTION:
IIf the front end of the vehicle body is dam-
aged by a collision, be sure to check the left
and right front sub sensors, even if the airbag
was not inflated. If any damage to the sensor or
any deformation of the sensor mount is found,
replace with a new genuine part.
G5M0291
IWhen painting or performing sheet metal
work on the front part of vehicle body, includ-
ing the front wheel apron, front fender and
front side frame, take utmost care not to apply
dryer heat, painting mist, or the flame of the
welding burner directly to the front sub sen-
sors and wire harness of the airbag system.
G5M0310
1. FRONT SUB SENSOR HARNESS
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove lower cover.
16
5-5[W6C0]SERVICE PROCEDURE
7. Front Sub Sensor

C: INSTALLATION
CAUTION:
Failure to do this might damage roll connector.
1) Before installing combination switch, check to
ensure that combination switch is off and front
wheels are set in the straight ahead position.
2) Install column cover and center roll connector.
3) Install steering wheel in neutral position. Care-
fully insert roll connector pin (A) into hole on steer-
ing wheel.
NOTE:
If steering wheel angle requires fine adjustment,
adjust tie-rod.
B5M0457A
4) Install airbag module and lower cover in the
reverse order of removal.
7. Front Sub Sensor
A: REMOVAL AND INSTALLATION
CAUTION:
IIf the front end of the vehicle body is dam-
aged by a collision, be sure to check the left
and right front sub sensors, even if the airbag
was not inflated. If any damage to the sensor or
any deformation of the sensor mount is found,
replace with a new genuine part.
G5M0291
IWhen painting or performing sheet metal
work on the front part of vehicle body, includ-
ing the front wheel apron, front fender and
front side frame, take utmost care not to apply
dryer heat, painting mist, or the flame of the
welding burner directly to the front sub sen-
sors and wire harness of the airbag system.
G5M0310
1. FRONT SUB SENSOR HARNESS
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove lower cover.
16
5-5[W6C0]SERVICE PROCEDURE
7. Front Sub Sensor

4) Disconnect airbag connector (AB3) and (AB8)
below steering column.
CAUTION:
Do not reconnect airbag connector at steering
column until front sub sensors are securely re-
installed.
G5M0312
5) Remove front side sill cover and then discon-
nect front sub sensor connector. [M2F2].>
B5M0517
6) Remove front wheel and mud guard.
7) Disconnect connector from front sub sensor
assembly.
B5M0518
8) Remove wiring harness clips.
G5M0315
9) Remove grommet and then detach front sub
sensor harness.
G5M0316
2. FRONT SUB SENSOR ASSEMBLY
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove front wheel and mud guard.
4) Disconnect connector from front sub sensor
assembly.
B5M0518
17
[W7A2]5-5SERVICE PROCEDURE
7. Front Sub Sensor

5) Remove front sub sensor.
B5M0519
6) Installation is in the reverse order of removal.
8. Side Airbag Sensor
A: REMOVAL AND INSTALLATION
CAUTION:
IIf the side of the vehicle body is damaged by
a collision, be sure to check the left and right
side airbag sensors, even if the airbag was not
inflated. If any damage to the sensor or any
deformation of the sensor mount is found,
replace with a new genuine part.
IWhen painting or performing sheet metal
work on the side part of vehicle body, including
the side sill, center pillar, front and rear doors,
take utmost care not to apply dryer heat, paint-
ing mist, or the flame of the welding burner
directly to the side airbag sensors and wire
harness of the airbag system.
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove center pillar lower. [W5A2].>
4) Remove two TORX
Tbolts and then detach side
airbag sensor while disconnecting connector.

B5M0520
5) Installation is in the reverse order of removal.
18
5-5[W8A0]SERVICE PROCEDURE
8. Side Airbag Sensor

5) Remove front sub sensor.
B5M0519
6) Installation is in the reverse order of removal.
8. Side Airbag Sensor
A: REMOVAL AND INSTALLATION
CAUTION:
IIf the side of the vehicle body is damaged by
a collision, be sure to check the left and right
side airbag sensors, even if the airbag was not
inflated. If any damage to the sensor or any
deformation of the sensor mount is found,
replace with a new genuine part.
IWhen painting or performing sheet metal
work on the side part of vehicle body, including
the side sill, center pillar, front and rear doors,
take utmost care not to apply dryer heat, paint-
ing mist, or the flame of the welding burner
directly to the side airbag sensors and wire
harness of the airbag system.
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove center pillar lower. [W5A2].>
4) Remove two TORX
Tbolts and then detach side
airbag sensor while disconnecting connector.

B5M0520
5) Installation is in the reverse order of removal.
18
5-5[W8A0]SERVICE PROCEDURE
8. Side Airbag Sensor

1. Engine Electrical
A: SPECIFICATIONS
1. 2200 cc MODEL
Item Designation
StarterType Reduction type
ModelMT
TN128000-8311AT
TN128000-8321
Manufacturer NIPPONDENSO TENNESSEE
Voltage and output 12 V Ð 1.0 kW 12 V Ð 1.4 kW
Direction of rotation Counterclockwise (when observed from pinion)
Number of pinion teeth 8 9
No-load characteristicsVoltage 11 V
Current 90 A or less
Rotating speed 3,000 rpm or more 2,900 rpm or more
Load characteristicsVoltage 8 V
Current 280 A or less 370 A or less
Torque 9.8 N´m (1.0 kg-m, 7.2 ft-lb) 13.7 N´m (1.4 kg-m, 10.1 ft-lb)
Rotating speed 900 rpm or more 880 rpm or more
Lock characteristicsVoltage 5 V
Current 800 A or less 1,050 A or less
Torque 27.5 N´m (2.8 kg-m, 20.3 ft-lb) or more
GeneratorType Rotating-field three-phase type, Voltage regulator built-in type
Model LR185-701H
Manufacturer HITACHI AUTOMOTIVE PRODUCTS
Voltage and output 12VÐ85A
Polarity on ground side Negative
Rotating direction Clockwise (when observed from pulley side)
Armature connection 3-phase Y-type
Output current1,500 rpm Ð 35 A or more
2,500 rpm Ð 62 A or more
5,000 rpm Ð 82 A or more
Regulated voltage 14.5
+0.3/þ0.4V [20ÉC (68ÉF)]
Ignition coil
and ignitor
assemblyModel FH0137-01R
Manufacturer DEMCO
Primary coil resistance 0.73W±10%
Secondary coil resistance 12.8 kW±15%
Insulation resistance between primary
terminal and caseMore than 10 MW
Spark plugType and manufacturerRC10YC4 .......... CHAMPION
AlternateBKR6E-11 .......... NGK
K20PR-U11 .......... NIPPONDENSO
Thread size mm 14, P = 1.25
Spark gap mm (in) 1.0 Ð 1.1 (0.039 Ð 0.043)
2
6-1[S1A1]SPECIFICATIONS AND SERVICE DATA
1. Engine Electrical

2. 2500 cc MODEL
Item Designation
StarterType Reduction type
ModelMT
TN128000-8311AT
TN128000-8321
Manufacturer NIPPONDENSO TENNESSEE
Voltage and output 12 V Ð 1.0 kW 12 V Ð 1.4 kW
Direction of rotation Counterclockwise (when observed from pinion)
Number of pinion teeth 8 9
No-load characteristicsVoltage 11 V
Current 90 A or less
Rotating speed 3,000 rpm or more 2,900 rpm or more
Load characteristicsVoltage 8 V
Current 280 A or less 370 A or less
Torque 9.8 N´m (1.0 kg-m, 7.2 ft-lb) 13.7 N´m (1.4 kg-m, 10.1 ft-lb)
Rotating speed 900 rpm or more 880 rpm or more
Lock characteristicsVoltage 5 V
Current 800 A or less 1,050 A or less
Torque 27.5 N´m (2.8 kg-m, 20.3 ft-lb) or more
GeneratorType Rotating-field three-phase type, Voltage regulator built-in type
Model LR185-701H
Manufacturer HITACHI AUTOMOTIVE PRODUCTS
Voltage and output 12VÐ85A
Polarity on ground side Negative
Rotating direction Clockwise (when observed from pulley side)
Armature connection 3-phase Y-type
Output current1,500 rpm Ð 35 A or more
2,500 rpm Ð 62 A or more
5,000 rpm Ð 82 A or more
Regulated voltage 14.5
+0.3/þ0.4V [20ÉC (68ÉF)]
Ignition coilModel FH0047-01R
Manufacturer DEMCO
Primary coil resistance 0.73W±10%
Secondary coil resistance 12.8 kW±15%
Insulation resistance between primary
terminal and caseMore than 10 MW
Spark plugType and manufacturer PFR5B-11 .......... NGK
Thread size mm 14, P = 1.25
Spark gap mm (in) 1.0 Ð 1.1 (0.039 Ð 0.043)
3
[S1A2]6-1SPECIFICATIONS AND SERVICE DATA
1. Engine Electrical