Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 668

SB-17

Seat Belt Warning System

SEAT BELT SYSTEM

20

CHECK CURRENT DATA.
Select “Current Data Display” and read the data
of the “Front Wheel Speed”. <Ref. to LAN(diag)-
30, OPERATION, Read Current Data.>

Does the data display the wheel
speed data correctly?

Go to step

11.

Check the follow-
ing items.
• LAN system
<Ref. to
LAN(diag)-60,
DTC U1223 CAN-
HS VDC/ABS NO-
RECEIVE DATA,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>
• VDC
<Ref. to
VDC(diag)-2,
Basic Diagnostic
Procedure.>

Step

Check

Yes

No

SB-18

Front Seat Belt

SEAT BELT SYSTEM

5. Front Seat Belt

A: REMOVAL

1. OUTER SEAT BELT ASSEMBLY

CAUTION:

• Do not drop or subject the pretensioner to

any impact.

• Since the pretensioner and bracket are inte-

grated as a unit, do not disassemble them.

1) Before starting the work, turn the ignition switch

to OFF, disconnect the battery ground cable, and

wait for 60 seconds or more.

2) Tilt the backrest forward and move the seat to

the front most position.

3) Remove the center pillar lower trim. <Ref. to EI-

57, REMOVAL, Lower Inner Trim.>

4) Remove the anchor cover (A).

5) Loosen the shoulder anchor bolt (B), and then

detach the shoulder anchor from center pillar.

6) Disconnect the connector of the belt tension

sensor on passenger’s seat.

7) Turn over the floor mat and disconnect the pre-

tensioner connector (A).

8) Remove the bolts, then remove the front outer

belt.

9) Remove the center pillar upper trim. <Ref. to EI-

59, REMOVAL, Upper Inner Trim.>

10) Remove the bolts and then remove adjustable

anchor assembly.

2. INNER SEAT BELT ASSEMBLY

1) Turn the ignition switch to OFF, disconnect the

battery ground cable, and wait for 60 seconds or

more.

2) Remove the front seats. <Ref. to SE-6, REMOV-

AL, Front Seat.>

3) Disconnect the seat belt warning light connector

under the seat.

4) Remove the seat belt harness from the harness

holder on the backside of seat cushion assembly.

5) Remove the TORX

®

bolt, and then remove the

inner seat belt assembly.

B: INSTALLATION

CAUTION:

• Before installation, make sure that the cor-

rect part is used.

• Be careful not to twist the seat belts during

installation.

• Check that there is no pinching of the seat

belt harness. Wrong harness rooting may

cause the harness short from pinch.

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

Seat belt: <Ref. to SB-2, FRONT SEAT BELT,

COMPONENT, General Description.>

Upper inner trim: 7.5 N·m (0.76 kgf-m, 5.5 ft-lb)

SB-00350

(A)

(B)

(A)

SB-00351

SB-00352

SE-00332

SB-19

Front Seat Belt

SEAT BELT SYSTEM

C: INSPECTION

Check for the following, and replace with new parts

if necessary.

• Pretensioner is cracked or deformed.

• Seat belt is slackened, bent or worn.

• Seat belt is abnormally wound or extended.

• Inner seat belt assembly is deformed or dam-

aged.

• Seat belt buckle cannot be engaged properly.

SB-20

Rear Seat Belt

SEAT BELT SYSTEM

6. Rear Seat Belt

A: REMOVAL

1. OUTER SEAT BELT ASSEMBLY RH &

LH

1) Remove the luggage floor mat.

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

REMOVAL, Rear Seat.>

3) Remove the seat belt lower anchor bolt.

4) Remove the rear quarter trim. <Ref. to EI-60,

REMOVAL, Rear Quarter Trim.>

5) Remove the outer seat belt assembly.

• 5 door model

Remove the nut.

CAUTION:

Do not remove the bolt and nut securing the re-

tractor and bracket.

• 4 door model

Remove the bolt.

2. SHOULDER SEAT BELT CENTER AS-

SEMBLY (5 DOOR MODEL)

1) Remove the shoulder anchor bolt cover (A).

2) Remove the shoulder anchor bolt (B) and re-

move the shoulder anchor from the quarter pillar.

3) Remove the rear quarter trim. <Ref. to EI-60,

REMOVAL, Rear Quarter Trim.>

4) Remove the bolts, and then detach the outer belt

center assembly.

SB-00353

SB-00361

SB-00388

NG

N

N

N

N

N

N

N

N

N

N

N

N

N

NG

NG

NG

NG

NG

G

G

G

N

N

N

NG

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

N

N

N

G

G

G

SB-00360

SB-00355

(A)

(B)

SB-00356