1998 SUZUKI GRAND VITARA Over drive

YH4
GRAND
VITARA
AIR BAG SYSTEM 10B-55
ON-VEHICLE SERVICE
SERVICE PRECAUTIONS
SERVICE AND DIAGNOSIS
WARNING/CAUTION labels are attached on each part of air bag system components (SDM, air bag (inflator) mod-
ules and seat belt pretensioners). Be sure to follow the instructions.
WARNING:

If the air bag system and another vehicle system both need repair, Suzuki recommends that the air
bag system be repaired first, to help avoid unintended air bag system activation.

Do not modify the steering wheel, dashboard or any other air bag system components. Modifications
can adversely affect air bag system performance and lead to injury.

Failure to follow procedures could result in possible air bag system activation, personal injury or un-
needed air bag system repairs.

Many of service procedures require disconnection of ªAIR BAGº fuse and air bag (inflator) modules (driver and
passenger) from initiator circuit to avoid an accidental deployment.

Do not apply power to the air bag system unless all components are connected or a diagnostic chart requests
it, as this will set a diagnostic trouble code.

The ªAir Bag Diagnostic System Checkº must be the starting point of any air bag diagnostics. The ªAir Bag Diag-
nostic System Checkº will verify proper ªAIR BAGº warning lamp operation and will lead you to the correct chart
to diagnose any air bag malfunctions. Bypassing these procedures may result in extended diagnostic time, incor-
rect diagnosis, and incorrect parts replacements.

Never use air bag component parts from another vehicle.

If the vehicle will be exposed to temperatures over 93
C (200
F) (for example, during a paint baking process),
remove the air bag system components beforehand to avoid component damage or unintended system activa-
tion.

When servicing, if shocks may be applied (eg., dropped from a height of 90 cm (3 ft) or more) to air bag system
component parts, remove those parts beforehand.

When using electric welding, be sure to disconnect air bag (inflator) module and seat belt pretensioner connec-
tors (driver and passenger) respectively.

When applying paint around the air bag system related parts, use care so that the harness or connector will not
be exposed to the paint mist.

Never expose air bag system component parts directly to hot air (drying or baking the vehicle after painting) or
flames.
WARNING:
When performing service on or around air bag system components or air bag wiring, follow the proce-
dures listed in the following pages to temporarily disable the air bag system. Refer to appropriate ser-
vice manual procedures. Failure to follow procedures could result in possible air bag system activa-
tion, personal injury or unneeded air bag system repairs.

YH4
GRAND
VITARA
ALWAYS CARRY AIR BAG (INFLATOR) MODULE
WITH TRIM COVER (AIR BAG OPENING) AWAY
FROM BODY.
10B-58 AIR BAG SYSTEM
LIVE (UNDEPLOYED) AIR BAG (INFLATOR) MODULES
Special care is necessary when handling and storing a live (unde-
ployed) air bag (inflator) modules.
The rapid gas generation produced during deployment of the air
bag could cause the air bag (inflator) module, or an object in front
of the air bag (inflator) module, to be thrown through the air in the
unlikely event of an accidental deployment.
WARNING:
Never attempt to measure the resistance of the air bag (in-
flator) modules (driver and passenger). It is very dangerous
as the electric current from the tester may deploy the air
bag.

Never attempt disassembly of the air bag (inflator) modules.

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

When an abnormality is noted as existing in the live (undeployed)
air bag (inflator) module, be sure to deploy it before discarding it.

When grease, cleaning agent, oil, water, etc., got on the air bag
(inflator) modules (driver and passenger), wipe it off immediately
with a dry cloth.

If air bag (inflator) module was dropped from a height of 90 cm (3
ft) or more, it should be replaced with a new one as an assembly.
WARNING:

For handling and storage of a live air bag (inflator) module,
select a place where the ambient temperature below 65
C
(150
F), without high humidity and away from electric
noise.

When carrying a live air bag (inflator) module, make sure
the bag opening is pointed away from you. In case of an
accidental deployment, the bag will then deploy with mini-
mal chance of injury. Never carry the air bag (inflator)
module by the wires or connector on the underside of the
module.
Otherwise, personal injury may result.

YH4
GRAND
VITARA
10B-64 AIR BAG SYSTEM
ACCIDENT WITH OR WITHOUT DEPLOYMENT ± COM-
PONENT INSPECTIONS
Certain air bag and restraint system components must be in-
spected after any crash, whether the air bag deployed or not.
Those components are:

Steering column and shaft joints
± Check for length, damage and bend according to ªChecking
Steering Column for Accident Damageº in SECTION 3C1.

Steering column bracket and capsules
± Check for damage and bent.
If any faulty condition is found in above checks, replace faulty
part.

Steering wheel and driver air bag (inflator) module
± Check for damage or air bag (inflator) module fitness.
± Check trim cover (pad surface) for cracks.
± Check wire harness and connector for damage or tightness.
If any faulty condition is found in above checks, replace faulty
part.

Contact coil and combination switch assembly
± Check wire harness and connectors for damage or tightness.
± Check contact coil case for damage.
If any faulty condition is found in above checks, replace.

Instrument panel member and reinforcement
± Check for any distortion, bending, cracking or other damage.
If any faulty condition is found in above checks, replace.

YH4
GRAND
VITARA
1. Shorted
1. Slit on workbench
2. Workbench vise
3. Lower mounting bracket
ALWAYS CARRY AIR BAG (INFLATOR) MODULE
WITH TRIM COVER (AIR BAG OPENING) AWAY
FROM BODY.
ALWAYS PLACE AIR BAG (INFLATOR) MODULE
ON WORKBENCH WITH TRIM COVER (AIR BAG
OPENING) UP, AWAY FROM LOOSE OBJECTS.
10B-72 AIR BAG SYSTEM
1) Turn ignition switch to ªLOCKº, remove key and put on safety
glasses.
2) Check that there is no open, short or damage in special tool (de-
ployment harness). If any faulty is found, do not use it and be
sure to use new deployment harness.
Special Tool
(A): 09932-75030
3) Short the two deployment harness leads together by fully seat-
ing one banana plug into the other.
WARNING:
Deployment harness shall remain shorted and not be
connected to a power source until the air bag is to be
deployed.
Special Tool
(A): 09932-75030
4) Remove driver or passenger air bag (inflator) module from ve-
hicle, referring to SECTION 3C1 or 10B.
WARNING:

Always carry live air bag (inflator) module with trim cov-
er away from you.

When storing a live air bag (inflator) module or when
leaving a live air bag (inflator) module unattended on a
bench or other surface, always face the bag and trim
cover up and away from the surface. As the live passen-
ger air bag (inflator) module must be placed with its bag
(trim cover) facing up, place it on the workbench with
a slit or use the workbench vise to hold it securely at its
lower mounting bracket.
This is necessary so that a free space is provided to al-
low the air bag to expand in the unlikely event of acci-
dental deployment.
Failure to follow procedures may result in personal inju-
ry.
5) Temporarily place driver or passenger air bag (inflator) module
on the workbench or the vise according to above WARNING.

YH4
GRAND
VITARA
AIR BAG SYSTEM 10B-73
1. Driver air bag (inflator) module
2. Trim cover must face up
3. 185 cm (6 ft) of clearance
1. Trim cover must face up
2. 185 cm (6 ft) of clearance
3. Mounting attachment
4. Bag opening side
5. M8 bolt and nut
6. Hold-down bolt and nut
(B)
6) [In case of Driver Air Bag (Inflator) Module]
ii) Clear a space on the ground about 185 cm (6 ft) in diameter
where the driver air bag (inflator) module is to be deployed.
A paved, outdoor location where there is no activity is pre-
ferred. If an outdoor location is not available, a space on the
shop floor where there is no activity and sufficient ventilation
is recommended.
Ensure no loose or flammable objects are within the deploy-
ment area.
ii) Place the driver air bag (inflator) module, with its vinyl trim
cover facing up, on the ground in the space just cleared.
[In case of Passenger Air Bag (Inflator) Module]
iii) Clear a space on the ground about 185 cm (6 ft) in diameter
where the fixture (special tool) with attached air bag (inflator)
module is to be placed for deployment. A paved outdoor loca-
tion where there is no activity is preferred. If an outdoor loca-
tion is not available, a space on the shop floor where there is
no activity and sufficient ventilation is recommended. Ensure
that no loose or flammable objects are within the deployment
area.
iii) Place special tool (passenger air bag (inflator) module de-
ployment fixture) on the ground in the space cleared in step
i), if it has not already been placed there.
Special Tool
(B): 09932-75040
iii) Fill plastic reservoir in fixture (special tool) with water or sand.
This is necessary to provide sufficient stabilization of the fix-
ture during deployment.
iv) Securely attach the passenger air bag (inflator) module in the
fixture (special tool) using mounting attachment, hold-down
bolts and nuts and M8 bolts and nuts.
CAUTION:
Be sure to use the following bolt and nut for fixing pas-
senger air bag (inflator) module to mounting attach-
ment. Size: M8, Strength: 7T
Passenger air bag (inflator) module must be mounted so that
the bag will deploy upward. Securely tighten all fastener prior
to deployment.

YH4
GRAND
VITARA
4
31
2
2
4
31
For driver air bag (inflator) module
For passenger air bag (inflator) module
1. Stretch deployment harness to full length 10 m (33 ft).
2. Connect connectors.
3. Power source (12V vehicle battery).
4. Short the two deployment harness leads.
10B-74 AIR BAG SYSTEM
7) Stretch the deployment harness from the driver or passenger
air bag (inflator) module to its full length 10 m (33 ft).
8) Place a power source near the shorted end of the deployment
harness. Recommended application: 12 Volts minimum, 2
amps minimum. A vehicle battery is suggested.
9) Verify that the area around the driver or passenger air bag (in-
flator) module is clear of all people and loose or flammable ob-
jects.
10) [In case of Driver Air Bag (Inflater) Module]
Verify that the driver air bag (inflator) module is resting with its
vinyl trim cover facing up.
[In case of Passenger Air Bag (Inflator) Module]
Verify that the passenger air bag (inflator) module is firmly and
properly secured in passenger air bag (inflator) module deploy-
ment fixture (special tool).
11) Connect the driver or passenger air bag (inflator) module to the
deployment harness connector and lock connector with lock le-
ver.
12) Notify all people in the immediate area that you intend to deploy
the air bag (inflator) module.
NOTE:

When the air bag deploys, the rapid gas expansion will
create a substantial report. Wear suitable ear protection.
Notify all people in the immediate area that you intend to
deploy the air bag (inflator) module and suitable ear
protection should be worn.

When the air bag deploys, the driver air bag (inflator)
module may jump about 30 cm (1 ft) vertically. This is a
normal reaction of the driver air bag (inflator) module to
the force of the rapid gas expansion inside the air bag.

After the air bag (inflator) module has been deployed, the
surface of the air bag may contain a powdery residue.
This powder consists primarily of cornstarch (used to lu-
bricate the bag as it inflates) and byproducts of the
chemical reaction.

YH4
GRAND
VITARA
Driver side for left hand steering vehicle
Driver side for right hand steering vehicle
1. Stretch deployment harness to its full length
10 m (33 ft).
2. Drop cloth, blanket or similar item2
10B-80 AIR BAG SYSTEM
8) Route deployment harness out the vehicle.
9) Verify that the inside of the vehicle and the area surrounding
the vehicle are clear of all people and loose or flammable ob-
jects.
10) Stretch the deployment harness to its full length 10 m (33 ft).
11) Place a power source near the shorted end of the deployment
harness. Recommended application: 12 Volts minimum, 2
amps minimum. A vehicle battery is suggested.
12) Completely cover windshield area and front door window
openings with a drop cloth, blanket to similar item. This reduces
the possibility of injury due to possible fragmentation of the ve-
hicle's glass or interior.
13) Notify all people in the immediate area that you intend to deploy
the air bag (inflator) module.
NOTE:

When the air bag deploys, the rapid gas expansion will
create a substantial report. Wear suitable ear protection.
Notify all people in the immediate area that you intend to
deploy the air bag (inflator) module and suitable ear
protection should be worn.

After the air bag (inflator) module has been deployed, the
surface of the air bag may contain a powdery residue.
This powder consists primarily of cornstarch (used to lu-
bricate the bag as it inflates) and byproducts of the
chemical reaction.
WARNING:
Safety precautions must be observed when handling a
deployed air bag (inflator) module.

After deployment, the metal surfaces of the air bag (infla-
tor) module will be very hot. Do not touch the metal areas
of the air bag (inflator) module for about 30 minutes after
deployment.

Do not apply water, oil, etc. to deployed air bag (inflator)
module.

If the deployed air bag (inflator) module must be moved
before it is cool, wear gloves and handle by the air bag or
vinyl trim.
Failure to follow procedures may result in fire or personal
injury.

YH4
GRAND
VITARA
ALWAYS CARRY AIR BAG (INFLATOR) MODULE
WITH TRIM COVER (AIR BAG OPENING) AWAY
FROM BODY.
ALWAYS PLACE AIR BAG (INFLATOR) MODULE
ON WORKBENCH WITH TRIM COVER (AIR BAG
OPENING) UP, AWAY FROM LOOSE OBJECTS.
1. Slit on workbench
2. Workbench vise
3. Lower mounting bracket
10B-82 AIR BAG SYSTEM
21) In the unlikely event that either or both of the air bag (inflator)
modules proceed immediately with Steps 23) through 25). If
the air bag (inflator) module did deploy, proceed with Steps 22).
22) With air bags deployed the vehicle may be scrapped in the
same manner as a non-air bag system equipped vehicle.
23) Remove the undeployed air bag (inflator) module(s) from the
vehicle. For driver air bag (inflator) module refer to SECTION
3C1, for passenger air bag (inflator) module refer to ªOn-Ve-
hicle Serviceº in this section.
WARNING:

Always carry a live air bag (inflator) module with trim
cover away from you.

When storing a live air bag (inflator) module or when
leaving a live air bag (inflator) module unattended on
a bench or other surface, always face the bag up, away
from the surface.
This is necessary so that a free space is provided to
allow the air bag to expand in the unlikely event of ac-
cidental deployment.
Failure to follow procedures could result in personal in-
jury.
24) Temporarily store the air bag (inflator) module with its vinyl trim
cover facing up, away from the surface upon which it rests. Re-
fer to ªService Precautionsº in this section for details.
25) Contact your local distributor for further assistance.