Ignition system SUZUKI GRAND VITARA 2003 2.G Service Workshop Manual

YH4
GRAND
VITARA
1. Air bag harness
2. ªAIR BAGº monitor coupler
3. Yellow connector of contact coil and combination
switch assembly
4. Yellow connector of passenger air bag (inflator) module
5. Steering support member
1. Air bag harness
2. ªAIR BAGº monitor coupler
3. Yellow connector of contact coil and combination
switch assembly
10B-56 AIR BAG SYSTEM
DISABLING AIR BAG SYSTEM
1) Turn steering wheel so that vehicle's wheels (front tires) and
pointing straight ahead.
2) Turn ignition switch to ªLOCKº position and remove key.
3) Remove ªAIR BAGº fuse from ªAIR BAGº fuse box.
4) Disconnect Yellow connector of contact coil and combination
switch assembly.
ii) Release locking of lock lever.
ii) After unlocked, disconnect to connector.
5) Pull out glove box while pushing its stopper from both right and
left sides and disconnect Yellow connector of passenger air bag
(inflator) module.
ii) Release locking of lock lever.
ii) After unlocked, disconnect to connector.
NOTE:
With ªAIR BAGº fuse removed and ignition switch ON, ªAIR
BAGº warning lamp will be ON.
This is normal operation and does not indicate an air bag
system malfunction.
ENABLING AIR BAG SYSTEM
1) Turn ignition switch to ªLOCKº and remove key.
2) Connect Yellow connector of contact coil and combination
switch assembly, and be sure to lock connector with lock lever.
ii) Connect connector.
ii) Lock connector with lock lever.

YH4
GRAND
VITARA
1. Yellow connector of passenger air bag (inflator) module
2. Steering support member
3. Air bag harness
AIR BAG SYSTEM 10B-57
3) Connect Yellow connector of passenger air bag (inflator) mod-
ule, and be sure to lock connector with lock lever.
ii) Connect connector.
ii) Lock connector with lock lever.
4) Install glove box.
5) Install ªAIR BAGº fuse to ªAIR BAGº fuse box.
6) Turn ignition switch to ON and verify that ªAIR BAGº warning
lamp flashes 6 times and then turns off.
If it does not operate as described, perform ªAir Bag Diagnostic
System Checkº in this section.
HANDLING AND STORAGE
SDM
WARNING:
Never power up air bag system when SDM is not rigidly at-
tached to the vehicle. Otherwise, personal injury may result.
CAUTION:
After detecting one time of such collision as to meet deploy-
ment conditions, the SDM must not be used.
Refer to ªDiagnosisº when checking the SDM.

Never attempt disassembly of SDM.

When storing SDM, select a place where neither high tempera-
ture nor high humidity is anticipated and oil, water and dust are
kept off.

If SDM was dropped from a height of 90 cm (3 ft) or more or if it
is found to be damaged or deformed, replace it with a new one.

If installation part of SDM was damaged, repair that part com-
pletely before reinstallation.

All SDM and mounting bracket fasteners must be carefully
torqued and the arrow must be pointed toward the front of the ve-
hicle to ensure proper operation of the air bag system.

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
10B-78 AIR BAG SYSTEM
DEPLOYMENT INSIDE VEHICLE
Use this procedure when scrapping the entire vehicle including the driver and passenger air bag (inflator) modules.
CAUTION:
When vehicle itself will be used again, deploy the air bag outside vehicle according to ªDeployment
Outside Vehicleº, for deploying it inside will cause the instrument panel, glove box and their vicinity
to be deformed.
Failure to observe this CAUTION may require unneeded vehicle inspection and repair.
WARNING:
Following precautions must be observed for this work. Failure to observe any of them may result in
personal injury.

To avoid an accidental deployment, this work should be performed by no more than one person.

The procedure should be followed strictly as described here.

Be sure to read ªService Precautionsº for the air bag (inflator) module beforehand.

Never connect deployment harness to any power source before connecting deployment harness to
the air bag (inflator) module. Deployment harness shall remain shorted and not be connected to a
power source until the air bag is to be deployed.

The air bag (inflator) module will immediately deploy the air bag when a power source is connected
to it. Wear safety glasses throughout this entire deployment and disposal procedure.

Wear suitable ear protection when deploying air bag. Also, advise those who are in the area close to
deployment site to wear suitable ear protection.

Do not deploy driver and passenger air bag (inflator) modules at the same time.
1) Turn ignition switch to ªLOCKº, remove key and put on safety
glasses.
2) Remove all loose objects from front seats and instrument panel.
3) [For driver air bag (inflator) module]
Disconnect contact coil connector (yellow connector) located
near the base of the steering column.
ii) Release locking of lock lever.
ii) After unlocked, disconnect to connector.
[For passenger air bag (inflator) module]
Remove glove box from instrument panel and disconnect pas-
senger air bag (inflator) module connector (yellow connector).
ii) Release locking of lock lever.
ii) After unlocked, disconnect to connector.

YH4
GRAND
VITARA
1. Shorted
1. Exhaust hole
1 1
NG
10B-84 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 pretensioner is to
be activated.
Special Tool
(A): 09932-75030
4) Remove driver or passenger seat belt pretensioner(s) and seat
belt pretensioner harness(s) from vehicle, referring to SECTION
10A.
WARNING:

For handling and storage of a live seat belt pretension-
er, select a place where the ambient temperature below
65
C (150
F), without high humidity and away from
electric noise.

Never carry the seat belt pretensioner by the wires or
connector on the underside of the pretensioner.

When placing a live seat belt pretensioner on the work-
bench or some place like that, be sure not to lay with its
exhaust hole provided side facing down. it is also pro-
hibited to put something on its face with an exhaust
hole or to put a seat belt pretensioner on top of another.
Otherwise, personal injury may result.
5) Temporarily place seat belt pretensioner on the workbench ac-
cording to above WARNING.

YH4
GRAND
VITARA
1. Air bag harness
2. Seat belt pretensioner harness
For driver side
AIR BAG SYSTEM 10B-89
ACTIVATION INSIDE VEHICLE
Use this procedure when scrapping the entire vehicle including the seat belt pretensioners.
CAUTION:
When vehicle itself will be used again, activate pretensioner outside vehicle according to ªActivation
Outside Vehicleº, for activating it inside will cause the center pillar inner garnish and their vicinity to
be deformed.
Failure to observe this CAUTION may require unneeded vehicle inspection and repair.
WARNING:
Following precautions must be observed for this work. Failure to observe any of them may result in
personal injury.

To avoid an accidental activation, this work should be performed by no more than one person.

The procedure should be followed strictly as described here.

Be sure to read ªService Precautionsº for the seat belt pretensioner beforehand.

Never connect deployment harness to any power source before connecting deployment harness to
the seat belt pretensioner. Deployment harness shall remain shorted and not be connected to a power
source until the pretensioner is to be activated.

The seat belt pretensioner will immediately activate the pretensioner when a power source is con-
nected to it. Wear safety glasses throughout this entire activation and disposal procedure.

Wear suitable ear protection when activating pretensioner. Also, advise those who are in the area
close to activation site to wear suitable ear protection.

Do not activate driver and passenger seat belt pretensioners at the same time.
1) Turn ignition switch to ªLOCKº, remove key and put on safety
glasses.
2) Remove all loose objects from front seats and instrument panel.
3) Remove both side (driver and passenger side) front pillar lower
trims and disconnect seat belt pretensioner harnesses from air
bag harness.
4) Confirm that each seat belt pretensioner is securely mounted.