Page 553 of 801
YH4
GRAND
VITARA
G16
J20
H25
1. Oil pressure switch
INSTRUMENTATION / DRIVER INFORMATION 8C-11
INSPECTION
1) Warm up ECT sensor (1) observing resistance between sensor
terminal (2) and sensor unit (1). Resistance should be de-
creased with increase of its temperature.
2) Check resistance between sensor terminal (2) and sensor unit
(1) shown below. If check result is not as specified, replace sen-
sor.
Temperature
Resistance
50C (122F)136 ± 216
OIL PRESSURE LIGHT
OIL PRESSURE SWITCH
REMOVAL AND INSTALLATION
Refer to OIL PRESSURE CHECK in Section 6A1 (for G16), Section
6A2 (for H25), and Section 6A4 (for J20) of this manual for details.
INSPECTION
1) Disconnect oil pressure switch (1) lead wire.
2) Check for continuity between oil pressure switch terminal (2)
and cylinder block (3) as shown.
During Engine Running
No continuity
At Engine StopContinuity
If check result is not as specified, replace oil pressure switch (1).
Page 613 of 801
YH4
GRAND
VITARA
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-25
1 2
1. Immobilizer Control Module
coupler disconnected
2. Ohmmeter
Resistance Check
1) Disconnect Immobilizer Control Module couplers from Immobi-
lizer Control Module with ignition switch OFF.
CAUTION:
Never touch terminals of Immobilizer Control Module it-
self or connect voltmeter or ohmmeter.
2) Check resistance between each terminal of coupler discon-
nected.
CAUTION:
Be sure to connect ohmmeter probe from wire harness
side of coupler.
Be sure to turn OFF ignition switch for this check.
Resistance in table below represents that when parts
temperature is 20C (68F).
TERMINALCIRCUITNORMAL
RESISTANCECONDITION
A1 ± A2Coil antennaContinuity±
Page 614 of 801
YH4
GRAND
VITARA
8G-26 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
ON-VEHICLE SERVICE
PRECAUTIONS IN HANDLING IMMOBILIZER
CONTROL SYSTEM
Do not turn ON ignition switch with ignition key for immobilizer
control system put together with another one or placed quite close
to another one. Or the system may detect abnormal condition and
prevent engine from starting.
Do not turn ON ignition switch by using ignition key with any type
of metal wound around its grip or in contact with it. Or the system
may detect abnormal condition and prevent engine from starting.
Do not leave ignition key where high temperature is anticipated.
High temperature will cause transponder in ignition key to be ab-
normal or damaged.
Do not turn ON ignition switch with a radio antenna placed near
coil antenna or its harness to Immobilizer Control Module. Or the
system may detect abnormal condition and prevent engine from
starting.
Page 676 of 801

YH4
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VITARA
9-58 BODY SERVICE
PLASTIC PARTS FINISHING
Paintable plastic parts are ABS plastic parts.
Painting
Rigid or hard ABS plastic needs no primer coating.
General acrylic lacquers can be painted properly over hard ABS
plastic in terms of adherence.
1) Use cleaning solvent for paint finish to wash each part.
2) Apply conventional acrylic color lacquer to part surface.
3) Follow lacquer directions for required drying time. (Proper dry-
ing temperature range is 60 to 70C).
Reference
Plastic parts employ not only ABS (Acrylonitrile Butadiene Styrene)
plastic but also polypropylene, vinyl, or the like plastic. Burning test
method to identify ABS plastic is described below.
1) Use a sharp blade to cut off a plastic sliver from the part at its
hidden backside.
2) Hold sliver with pincers and set it on fire.
3) Carefully observe condition of the burning plastic.
4) ABS plastic must raise readily distinguishable back smoke while
burning with its residue suspended in air temporarily.
5) Polypropylene must raise no readily distinguishable smoke
while burning.
Page 761 of 801

YH4
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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 93C (200F) (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.
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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 65C
(150F), 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.
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VITARA
1. Exhaust hole
1 1
NG
10B-60 AIR BAG SYSTEM
Never attempt to disassemble the seat belt pretensioners (retrac-
tor assembly).
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 (inactivated)
seat belt pretensioner, be sure to activate it before discarding it.
When grease, cleaning agent oil, water, etc., got on the seat belt
pretensioners (retractor assembly), wipe it off immediately with a
dry cloth.
If seat belt pretensioner was dropped from a height of 30 cm (1
ft) or more, it should be replaced with a new one as an assembly.
WARNING:
For handling and storage of a live seat belt pretensioner,
select a place where the ambient temperature below 65C
(150F), without high humidity and away from electric
noise.
Never carry the seat belt pretensioner by the wires or con-
nector 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 it with its
exhaust hole provided side facing down. It is also prohib-
ited 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.
Page 790 of 801

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
65C (150F), 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.