Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 614

AB-23

Side Airbag Sensor

AIRBAG SYSTEM

10.Side Airbag Sensor

A: REMOVAL

1) Turn the ignition switch to OFF.

2) Disconnect the ground cable from battery and

wait for at least 60 seconds before starting work.

3) Remove the front outer seat belt. <Ref. to SB-18,

OUTER SEAT BELT ASSEMBLY, REMOVAL,

Front Seat Belt.>

4) Remove the nuts and then remove the side air-

bag sensor.
CAUTION:

• Do not separate the side airbag sensor and

bracket. It cause the airbag system malfunc-

tion.

• If the sensor is removed from the bracket, be

sure to replace with a new part.

5) Disconnect the airbag connector.

B: INSTALLATION

CAUTION:

Do not reuse the bolt and nut.

Always replace with the specified new bolts

and nuts.

Install each part in the reverse order of removal.
Tightening torque:

7.5 N·m (0.76 kgf-m, 5.5 ft-lb)

C: INSPECTION

Check for the following, and replace the damaged

parts with new parts.

• The bracket or connector of side airbag sensor is

damaged.

• Side airbag has been activated.

AB-01835

AB-24

Curtain Airbag Sensor

AIRBAG SYSTEM

11.Curtain Airbag Sensor

A: REMOVAL

1) Turn the ignition switch to OFF.

2) Disconnect the ground cable from battery and

wait for at least 60 seconds before starting work.

3) Remove the rear seat. <Ref. to SE-13, REMOV-

AL, Rear Seat.>

4) Remove the nuts and then remove the curtain

airbag sensor.

5) Disconnect the airbag connector.

B: INSTALLATION

CAUTION:

• Do not reuse the bolt and nut.

Always use new bolts and nuts for them.

• When installing the sensor, insert the set pin

on the backside of the sensor into the hole on

the body side securely.

Install in the reverse order of removal.
Tightening torque:

7.5 N·m (0.76 kgf-m, 5.5 ft-lb)

C: INSPECTION

Check for the following, and replace the damaged

parts with new parts.

• Curtain airbag sensor or connector is damaged.

• Curtain airbag has been activated.

AB-01754

AB-25

Satellite Safing Sensor

AIRBAG SYSTEM

12.Satellite Safing Sensor

A: REMOVAL

1) Turn the ignition switch to OFF.

2) Disconnect the ground cable from battery and

wait for at least 60 seconds before starting work.

3) Remove the rear seat cushion. <Ref. to SE-13,

REMOVAL, Rear Seat.>

4) Remove the satellite safing sensor cover.

5) Remove the nut, and remove the satellite safing

sensor.
CAUTION:

• Do not separate the satellite safing sensor

and bracket. It cause the airbag system mal-

function.

• If the sensor is removed from the bracket, be

sure to replace with a new part.

6) Disconnect the airbag connector.

B: INSTALLATION

CAUTION:

• Do not reuse the bolt and nut.

Always replace with the specified new bolts

and nuts.

• When installing the satellite safing sensor

cover, push the cover securely until it contacts

the floor panel.

• If the satellite safing sensor cover is too

loose at its mounting portion to remove easily,

replace with a new satellite safing sensor cov-

er.

• After installing the satellite safing sensor

cover, make sure that the sensor harness does

not get caught.

Install each part in the reverse order of removal.
Tightening torque:

7.5 N·m (0.76 kgf-m, 5.5 ft-lb)

C: INSPECTION

Check for the following, and replace the damaged

parts with new parts.

• Mounting bracket or connector of satellite safing

sensor is damaged.

• The satellite safing sensor cover is damaged

• Side airbag or curtain airbag has been activated.

AB-01847

AB-01846

AB-26

Roll Connector

AIRBAG SYSTEM

13.Roll Connector

A: REMOVAL

1) Turn the ignition switch to OFF.

2) Disconnect the ground cable from battery and

wait for at least 60 seconds before starting work.

3) Remove the driver’s airbag module. <Ref. to AB-

15, Driver’s Airbag Module.>

4) Remove the steering wheel. <Ref. to PS-13, RE-

MOVAL, Steering Wheel.>

5) Remove the steering column cover.

6) Disconnect the airbag connector next to the

steering shaft. <Ref. to AB-8, DRIVER’S AIRBAG

MODULE (BETWEEN AIRBAG MAIN HARNESS

AND ROLL CONNECTOR) AND PASSENGER’S

AIRBAG MODULE, PROCEDURE, Airbag Con-

nector.>

7) Remove the screws, and then remove the roll

connector.

B: INSTALLATION

1) Install each part in the reverse order of removal.

2) Before installing steering wheel, be sure to ad-

just the direction of roll connector with steering.

<Ref. to AB-27, ADJUSTMENT, Roll Connector.>

C: INSPECTION

1. VISUAL INSPECTION

Check for the following, and replace the damaged

parts with new parts.

• Combination switch is cracked or deformed.

• Roll connector is cracked or deformed.

2. UNIT INSPECTION OF ROLL CONNEC-

TOR

CAUTION:

• Do not rotate the roll connector to more than

the specified number of turns. Otherwise, the

roll connector internal wire may be broken.

• When determining the end stop, rotate the

connector slowly without applying excessive

force. Applying excessive force at the end stop

may break the internal wire.

1) Adjust the roll connector. <Ref. to AB-27, AD-

JUSTMENT, Roll Connector.>

2) Set the roll connector to the central position.

3) Connect the test harness to the airbag module

connectors (black) and (orange).
PREPARATION TOOL:

Test harness N (98299SA000)

Test harness Q (98299SA040)

Airbag module connector (black) — Test harness

(1N)

Airbag module connector (orange) — Test harness

(1Q)

4) With the following conditions, check the resis-

tance between the test harness connector termi-

nals.

• Perform the check with the roll connector cen-

tered (front wheels direct straightforward).

• Rotate the roll connector counterclockwise from

the center (front wheels direct straightforward) to

an end stop. Then, perform the check while rotating

it clockwise to approximately 3.25 turns.
Preparation tool: Circuit tester

NOTE:

Terminals are designed to be shorted as the con-

nection between airbag main harness and roll con-

nector is disconnected.

5) Replace the roll connector with a new part if the

inspection result is not within the standard value.

AB-02077

Terminal No.

Inspection conditions

Standard value

(2N) No. 1

and

(2N) No. 2

Always

Less than 1 Ω

(2Q) No. 1

and

(2Q) No. 2

Always

Less than 1 Ω