Suzuki Grand Vitara JB416 / JB420. Manual - part 300

8A-3 Seat Belts:

Diagnostic Information and Procedures

Repair and Inspection Required after Accident

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After an accident, whether the seat belt pretensioner has been activated or not, be sure to perform checks and repairs
described on “Repair and Inspection Required after Accident in Section 8B”.

Repair Instructions

Front Seat Belt Components

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WARNING

• Never attempt to disassemble or repair the seat belt pretensioner (retractor assembly). If any

abnormality is found, be sure to replace it with new one as an assembly.

• Be sure to read “Precautions on Service and Diagnosis of Seat Belt” before starting to work and

observe every precaution during work. Neglecting them may result in personal injury or
unactivation of the seat belt pretensioner when necessary.

(a)

(b)

(a)

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1. Upper anchor

4. Buckle

7. Retractor assembly lower mounting bolt

: After tightening lower bolt, tighten upper bolt.

2. Lower anchor

5. Yellow connector (for seat belt pretensioner)

: 35 N

⋅m (3.5 kgf-m, 25.5 lb-ft)

3. Retractor assembly

6. Retractor assembly upper mounting bolt

: After tightening lower bolt, tighten upper bolt.

: 5.5 N

⋅m (0.55 kgf-m, 4.0 lb-ft)

Seat Belts: 8A-4

Front Seat Belt Removal and Installation

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WARNING

• Never attempt to disassemble or repair the

seat belt pretensioner (retractor
assembly). If any abnormality is found, be
sure to replace it with new one as an
assembly.

• Be sure to read “Precautions on Service

and Diagnosis of Seat Belt” before starting
to work and observe every precaution
during work. Neglecting them may result in
personal injury or unactivation of the seat
belt pretensioner when necessary.

Removal

1) Disconnect negative (–) cable at battery.
2) Disable air bag system. Refer to “Disabling Air Bag

System in Section 8B”.

3) Remove center pillar lower trim.
4) Disconnect Yellow connector (1) from seat belt

pretensioner (2).
a) Release locking of lock button (3).
b) After unlocked, disconnect connector.

5) Remove front seat belts from the vehicle.

Installation
Install in reverse order of removal, noting the following.
• Seat belt anchor bolts should have an unified fine

thread (7/16-20 UNF). Under no circumstances
should any different sized or metric screw threads be
used.

• Connect Yellow connector (1) to seat belt

pretensioner securely.
a. Connect connector.
b. Lock connector with lock button (2).

• Enable air bag system. Refer to “Enabling Air Bag

System in Section 8B”.

Front Seat Belt Inspection

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WARNING

• Never attempt to disassemble or repair the

seat belt pretensioner (retractor
assembly). If any abnormality is found, be
sure to replace it with new one as an
assembly.

• Be sure to read “Precautions on Service

and Diagnosis of Seat Belt”, before
starting to work and observe every
precaution during work. Neglecting them
may result in personal injury or
unactivation of the seat belt pretensioner
when necessary.

• Never measure resistance of pretensioner

or disassemble it. Otherwise, personal
injury may result.

CAUTION

If seat belt pretensioner (retractor assembly)
was dropped from a height of 30 cm (1 ft) or
more, it should be replaced.

Seat belts and attaching parts can affect the vital
components and systems of a vehicle.
Therefore, they should be inspected carefully and
replaced with genuine parts only.

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8A-5 Seat Belts:

Seat Belt
• The seat belt webbing or strap should be free from

damage.

Retractor Assembly (with Seat Belt Pretensioner)

1) Let the seat belt retract fully to confirm its easy

retraction.
• The retractor assembly should lock webbing when

pulled quickly.

• The front seat belt retractor assembly (1) should

pass the inspection and should lock webbing even
when tilted (approx. 15

°) toward the fore and aft or

right and left directions.

2) Check retractor assembly (1) with seat belt

pretensioner appearance visually for following
symptoms and if any one of them is applicable,
replace it with a new one as an assembly.
• Pretensioner has activated.
• There is a crack in seat belt pretensioner

(retractor assembly).

• Seat belt pretensioner (retractor assembly) is

damaged or a strong impact (e.g., dropping) was
applied to it.

Anchor Bolt
• Anchor bolts should be torqued to specification.

Belt Latch
• It should be secure when latched.

Seat Belt Switch
Check driver side seat belt switch for continuity by using
ohmmeter.

Seat belt switch specification
Without inserted buckle tongue to buckle catch:
Terminal “A” and “B”: Continuity
With inserted buckle tongue to buckle catch:
Terminal “A” and “B”: No continuity

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1. Buckle tongue
2. Buckle catch

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Seat Belts: 8A-6

Rear Seat Belt Components

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WARNING

Be sure to read “Precautions on Service and Diagnosis of Seat Belt” before starting to work and
observe every precaution during work.

Rear Seat Belt Removal and Installation

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WARNING

Be sure to read “Precautions on Service and
Diagnosis of Seat Belt” before starting to
work and observe every precaution during
work.

Removal

1) Remove rear side sill scuff, rear side lower trim and

rear pillar trim referring to “Head Lining Removal and
Installation in Section 9H”.

2) Remove rear seat belt referring to “Rear Seat Belt

Components”.

Installation
Reverse removal procedure for installation noting the
following.
• Seat belt anchor bolts should have an unified fine

thread (7/16-20 UNF). Under no circumstances
should any different sized or metric screw threads be
used.

Rear Seat Belt Inspection

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WARNING

Be sure to read “Precautions on Service and
Diagnosis of Seat Belt” before starting to
work and observe every precaution during
work.

• Check the rear seat belt in the same way as “Front

Seat Belt Inspection”.

• As to seat belts with A-ELR, check them as follows.

– With vehicle at stop, pull seat belt all the way out,

let it retract a little and try to pull it. It should not be
pulled out, that is, it should be locked where
retracted.

– Let seat belt retract to its original state. Next, pull it

half way out, let it retract a little and try to pull it
again. It should be pulled out smoothly, that is it
should not be locked at this time.

(a)

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1. Upper anchor

4. Rear center retractor assembly

7. Rear seat belt

2. Lower anchor

5. Buckle for rear seat belt

: 35 N

⋅m (3.5 kgf-m, 25.5 lb-ft)

3. Retractor assembly

6. Buckle for rear center seat belt

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