Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 709

SE-5

General Description

SEATS

B: CAUTION

• If the seat cushion cover is removed or replaced, make sure to perform passenger detection system ad-

justment after installing the seat to the vehicle. <Ref. to OD(diag)-14, SYSTEM CALIBRATION (REZERO-

ING), OPERATION, Subaru Select Monitor.>

If system adjustment is not performed, the occupant detection system may not function properly.

• The passenger detection system (passenger seat only) control unit and the passenger detection sensor

are fixed to the seat cushion frame. Never remove the passenger detection control unit or the pressure sen-

sor from the seat cushion frame.

• Do not replace the seat cushion pad by itself. Always replace the seat cushion pad and frame assembly

as a set. The seat cushion pad and cushion frame are adjusted as a set at the time of manufacture. If cushion

pads and cushion frames are combined from those of other vehicles or other sets, the passenger detection

system may not operate properly.

• If the seat cushion cover is removed, make sure to replace the hang wire on the seat cushion side with a

new wire.

• When removing the front seat, follow cautions given in the airbag section. <Ref. to AB-5, CAUTION, Gen-

eral Description.>

C: PREPARATION TOOL

1. GENERAL TOOL

TOOL NAME

REMARKS

Long nose plier

Used for removing the hog ring.

Hog ring pliers

Used for installing the hog ring.

TORX

®

T50

Used for removing and installing the inner seat belt assembly.

Circuit tester

Used for measuring resistance and voltage.

SE-6

Front Seat

SEATS

2. Front Seat

A: REMOVAL

CAUTION:

The airbag system is fitted with a backup power

supply. After disconnecting the battery ground

cable, the airbag may operate if you do not wait

for 60 seconds before starting the service of

airbag system.

1. DRIVER’S SEAT

1) Disconnect the ground cable from battery, and

wait for 60 seconds or more before starting work.

2) Remove the slide rail installing bolt.

(1) Tilt the backrest forward and move the seat

to the front most position.

(2) Remove the rear bolt cover at the rear side

of the slide rail and remove the bolt.

(3) Move the seat to the rearmost position, and

remove the bolt on the front side of the slide rail.

3) Disconnect the connector under the seat.
CAUTION:

Disconnect the ground cable from battery, and

wait 60 seconds before disconnecting the con-

nector.

• Seat belt buckle switch connector

• Side airbag connector

• Seat heater connector (model with seat heater)

4) Remove the front seat from vehicle.

2. PASSENGER’S SEAT

CAUTION:

Refer to “CAUTION” of “General Description”

for “AIRBAG SYSTEM” section before starting

the work. <Ref. to SE-5, CAUTION, General De-

scription.>

1) Disconnect the ground cable from battery, and

wait for 60 seconds or more before starting work.

2) Tilt the backrest forward, and move the seat for-

ward.

3) Remove the rear bolt cover, and then remove

the rear side of slide rail.

4) Move the seat backward, remove the front bolt

cover, and then remove the bolt at the front side of

slide rail.

5) Disconnect all the connectors of connector hold-

er in the backside of seat cushion.

• Harness connector of occupant detection control

module

• Side airbag connector

• Seat heater connector (model with seat heater)

6) Remove the seat from vehicle.

B: INSTALLATION

Install each part in the reverse order of removal.
NOTE:

Tighten the slide rail installing bolt gradually in sev-

eral steps to the specified torque in the order as

shown in the figure.

Tightening torque:

Refer to “COMPONENT” of “General Descrip-

tion”. <Ref. to SE-2, FRONT SEAT LH, COM-

PONENT, General Description.>

C: DISASSEMBLY

1) Remove the seat from vehicle. <Ref. to SE-6,

REMOVAL, Front Seat.>

2) Remove the seat lifter cover using a flat tip

screwdriver and loosen the inner bolt to remove the

seat lifter lever.

3) Disengage the tab on the backside while pulling

the reclining lever, and remove the reclining lever

cover.

(1)

(2)

(3)

(4)

SE-00704

SE-00290

SE-00877

SE-7

Front Seat

SEATS

4) Remove screws (A) and clips (B), and then de-

tach the seat side cover outside.

5) Remove the TORX

®

bolt, and then remove the

inner seat belt assembly.

6) Remove the screws and detach the seat side

cover inside.

7) Remove the bolts from reclining hinge of both

sides.

8) Remove the plastic fastener at the back side

(bottom) of backrest.

9) Open the fastener at the rear side of backrest.

SE-00405

(A)

(A)

(B)

(B)

SE-00407

SE-00884

SE-00408

SE-00300

SE-00804

SE-8

Front Seat

SEATS

10) Remove the hog rings of backrest cover.
CAUTION:

Be careful not to tear the vinyl inside the seat

when removing the hog rings.

If torn, replace with a new part.

11) Remove the pad (A), and remove the mounting

nut from the side airbag module.

12) Remove the fastener (a) at the backrest hole.

13) Pull out the backrest frame.

14) Remove all the hog rings at front of seat back,

and then remove the seat back cover from seat

backrest.

15) Remove the plastic hooks (A) of the seat cush-

ion cover, and then remove the seat cushion frame

assembly.

16) Remove all the hog rings, and then remove the

seat cushion cover from seat cushion pad.

17) Remove the bolts on the side of seat cushion

assembly, and then remove the slide rail.
CAUTION:

Do not reuse the removed bolts because they

are coated with the thread lock material. Always

use new bolts during assembly.

2. PASSENGER’S SEAT

CAUTION:

• If the seat cushion cover is removed or re-

placed, make sure to perform passenger detec-

tion system adjustment after installing the seat

to the vehicle. <Ref. to OD(diag)-14, SYSTEM

CALIBRATION (REZEROING), OPERATION,

Subaru Select Monitor.>

Failure to do so may cause improper activation

of passenger’s airbag.

• The passenger detection system (passenger

seat only) control unit, passenger detection

sensor, seat cushion pad and seat cushion

frame are considered as a single seat cushion

pad and frame assembly. Never remove the

passenger detection control unit or the pres-

sure sensor from the seat cushion frame.

• If the seat cushion cover is removed, make

sure to replace the hang wire on the seat cush-

ion side with a new wire.

1) Remove the seat from vehicle. <Ref. to SE-6,

PASSENGER’S SEAT, REMOVAL, Front Seat.>

SE-00794

(A)

SE-00796

SE-01227

(a)

SE-00338

(A)

SE-00882