Page 770 of 801

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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.
Page 771 of 801

YH4
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VITARA
1. SDM
2. SDM connector
3. SDM plate
4. SDM cover
1. Air bag wire harness
2. Ground
3. SDM case ground
AIR BAG SYSTEM 10B-65
Passenger air bag (inflator) module
± Check for dents, cracks, damage or fitness.
± Check trim cover for cracks or deformities.
± Check harness and connector for damage or tightness.
If any faulty condition is found in above checks, replace.
SDM and SDM plate
± Check for external damage such as deformation, scratch,
crack, peeled paint, etc.
± Check whether SDM can installed properly due to a cause in it-
self. (There is a gap between SDM and SDM plate, or it cannot
be fixed securely.)
± Check whether connector or lead wire of SDM has a scorching,
melting or damage.
± Check whether connector can be connected securely or locked.
± Check SDM connector and terminals for tightness.
± Check SDM sets a diagnostic trouble code and the diagnostic
table leads to a malfunctioning SDM.
If any faulty condition is found in above checks, replace.
Air bag wire harness and connections
± Check for damages, deformities or poor connections.
(Refer to ªIntermittent And Poor Connectionsº in this section.)
± Check wire harness clamps for tightness.
If any faulty condition is found, correct or replace.
Page 772 of 801
YH4
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VITARA
2-2
2-1. Webbing
2-2. Retractor assembly
2-1. Seat belt pretensioner
2-2. Seat belt pretensioner harness
10B-66 AIR BAG SYSTEM
Seat belt pretensioner
± Check for dents, cracks, damage or fitness.
± Check harness and connector for damage or tightness.
If any faulty condition is found in above checks, replace.
Seat belts and mounting points
± Refer to SECTION 10A.
ªAIR BAGº warning lamp (air bag system)
± After vehicle is completely repaired, perform ªAir Bag Diagnos-
tic System Checkº under ªDiagnosisº in this section.
DRIVER AIR BAG (INFLATOR) MODULE
Refer to SECTION 3C1 for removal, inspection and installation.
CONTACT COIL AND COMBINATION SWITCH
ASSEMBLY
Refer to SECTION 3C1 for removal, inspection and installation.
SEAT BELT PRETENSIONER
Refer to SECTION 10A for removal, inspection and installation.
ªAIR BAGº WARNING LAMP
Refer to SECTION 8C for removal and installation of combination
meter.
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1. SDM
2. SDM bolt
3. SDM cover
4. SDM connector1. Front center console box
2. Center garnish panel
3. Ashtray
4. Radio hole cover
5. Clock assembly
AIR BAG SYSTEM 10B-67
SDM
WARNING:
During service procedures, be very careful when handling
a Sensing and Diagnostic Module (SDM).
Be sure to read ªService Precautionsº in this section before
starting to work and observe every precaution during work.
Neglecting them may result in personal injury or inactiva-
tion of the air bag system when necessary.
REMOVAL
1) Disconnect negative cable at battery.
2) Disable air bag system. Refer to ªDisabling Air Bag Systemº ear-
lier in this section.
3) Remove rear and front center console box by removing screw
and clips.
4) Remove center garnish panel.
5) Remove ashtray and tuner assembly, clock assembly, tuner
pocket, radio hole cover, etc.
6) Disconnect SDM connector from SDM.
7) Remove SDM (with SDM plate) as an assembly from vehicle.
NOTE:
Do not separate SDM and SDM plate.
INSPECTION
CAUTION:
Do not connect a tester whatever type it may be.
Never repair or disassemble SDM.
If SDM was dropped from a height of 90 cm (3 ft) or more,
it should be replaced.
Check SDM and SDM plate for dents, cracks or deformation.
Check SDM connector for damage, cracks or lock mechanism.
Check SDM terminal for bent, corrosion or rust.
If any faulty condition is found in above checks, replace.
Page 774 of 801
YH4
GRAND
VITARA
1. SDM
2. SDM bolt
3. SDM cover
4. SDM connector
5. Arrow
1. Front center console box
2. Center garnish panel
3. Ashtray
4. Radio hole cover
5. Clock assembly
10B-68 AIR BAG SYSTEM
INSTALLATION
1) Check that none of following faulty conditions exists.
Bend, scratch, deformity in vehicle body mounted on SDM
Foreign matter or rust on mating surface of vehicle body
mounted on SDM
2) Install SDM (with SDM plate) to vehicle.
CAUTION:
Ensure that arrow on the SDM is pointing toward the front
of the vehicle.
3) Tighten SDM bolts to specified torque.
Tightening Torque
(a): 6.0 N´m (0.6 kg-m, 4.5 lb-ft)
4) Connect SDM connector to SDM securely.
5) Install tuner assembly, clock assembly, tuner pocket, radio hole
cover, etc. and ashtray.
6) Install center garnish panel.
7) Install front and rear center console box.
8) Connect negative cable to battery.
9) Enable air bag system. Refer to ªEnabling Air Bag Systemº earli-
er in this section.
Page 785 of 801
YH4
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VITARA
1. Shorted
For driver air bag (inflator) module
1. Short deployment harness leads
AIR BAG SYSTEM 10B-79
4) Confirm that each air bag (inflator) module is securely mounted.
5) Check that there is no open/short or damage in special tool (de-
ployment harness). If any faulty condition is found, do not use it
and be sure to use new deployment harness.
Special Tool
(A): 09932-75030
6) Short the two deployment harness leads together by fully seat-
ing one banana plug into the other.
WARNING:
Deployment wires shall remain shorted and not be con-
nected to a power source until the air bag is to be
deployed.
Special Tool
(A): 09932-75030
7) Connect deployment harness connector to air bag (inflator)
module (driver or passenger) and lock connector with lock lever.
Special Tool
(A): 09932-75030
Page 796 of 801

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1. Shorted
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 item.
10B-90 AIR BAG SYSTEM
5) Check that there is no open/short or damage in special tool (de-
ployment harness). If any faulty condition is found, do not use
it and be sure to use new deployment harness.
Special Tool
(A): 09932-75030
6) Short the two deployment harness leads together by fully seat-
ing one banana plug into the other.
WARNING:
Deployment wires shall remain shorted and not be con-
nected to a power source until the pretensioner is to be
activated.
Special Tool
(A): 09932-75030
7) Connect the deployment harness connector to the seat belt
pretensioner harness and lock the connector with lock lever.
Special Tool
(A): 09932-75030
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 acti-
vate the seat belt pretensioner.