fun SUZUKI GRAND VITARA 1999 2.G Service Manual Online
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Page 603 of 801

YH4
GRAND
VITARA
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-15
1. Main fuse
2. Main relay
3. ECM/PCM
4. Immobilizer indicator lamp
(Vehicle not equipped with
monitor coupler) For G16 / J20 engine For H25 engine
G16 / J20 Engine
H25 Engine
TABLE B IMMOBILIZER INDICATOR LAMP CHECK
(IMMOBILIZER INDICATOR LAMP DOSE NOT LIGHT AT IGNITION
SWITCH ON)
STEPACTIONYESNO
11) Turn ignition switch ON.
Do other indicator / warning lights in
combination meter come ON?Go to Step 2.ªIGº fuse blown, main fuse blown,
ignition switch malfunction,
ªB / Wº circuit between ªIGº fuse
and combination meter or poor
coupler connection at
combination meter.
21) Turn ignition switch OFF and
disconnect connectors from ECM /
PCM.
2) Check for proper connection to ECM /
PCM at terminal E61-5 for G16 / J20
engine or E61-23 for H25 engine.
3) If OK, then using service wire, ground
terminal E61-5 for G16 / J20 engine or
E61-23 for H25 engine in connector
disconnected.
Does immobilizer indicator lamp turn on
at ignition switch ON?Substitute a known-
good ECM / PCM and
recheck.Bulb burned out or ª(b)º wire
circuit open.
Page 616 of 801

YH4
GRAND
VITARA
8G-28 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
1
1. Ignition key with built-in transponder 1. Data link connector (DLC)
HOW TO REGISTER IGNITION KEY
Register the ignition key with a built-in transponder in Immobilizer
Control Module by using the following procedure.
1) Prepare Suzuki scan tool (TECH 1A kit and cartridge for immobi-
lizer control system).
2) With ignition switch OFF, connect Suzuki scan tool to data link
connector (DLC) located on underside of instrument panel at
driver's seat side.
Special Tool
(A): 09931-76011 (Tech 1A)
(B): Immobilizer cartridge
(C): 09931-76030 (16 / 14-pin DLC cable)
NOTE:
For operation procedure of Suzuki scan tool, refer to Suzuki
scan tool operator's manual.
3) Prepare ignition key with a built-in transponder. And then turn
ignition switch ON by using it.
4) Number of Transponder codes for ignition key with a built-in
transponder that can be registered in Immobilizer Control Mod-
ule is limited to 4. If needed, clear all Transponder codes for igni-
tion key with a built-in transponder that have been registered in
Immobilizer Control Module by executing the ªCLR. TRANS
COD (CLEAR TP CODE)º command in the SELECT MODE
menu by using Suzuki scan tool.
NOTE:
When ªCLR. TRANS COD (CLEAR TP CODE)º command is
executed with the malfunction indicator lamp (the lamp for
vehicles equipped with the monitor coupler) ON or the im-
mobilizer indicator lamp (the lamp for vehicle not equipped
with the monitor coupler) ON, it remains ON even after
execution of that command is over. It will start flashing
when the ignition switch is turned OFF once and then
turned ON after some seconds.
5) Using Suzuki scan tool, register Transponder code in Immobiliz-
er Control Module by executing ªENT. TRANS COD (ENT. TP
CODE)º command in SELECT MODE menu.
6) [Vehicle equipped with monitor coupler]
Make sure that malfunction indicator lamp lights when ignition
switch is turned OFF once and then ON.
[Vehicle not equipped with monitor coupler]
Make sure that immobilizer indicator lamp lights when ignition
switch is turned OFF once and then ON.
Page 617 of 801

YH4
GRAND
VITARA
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-29
7) If any other Transponder code for ignition key with a built-in
transponder needs to be registered, repeat above Steps 3), 5)
and 6).
NOTE:
Up to 4 Transponder codes for ignition key with a built-in
transponder can be registered.
It is not possible to register the same Transponder code
for ignition key with a built-in transponder as the one al-
ready registered in Immobilizer Control Module.
PROCEDURE AFTER IMMOBILIZER
CONTROL MODULE REPLACEMENT
When Immobilizer Control Module was replaced, including when
replaced because rechecking by using a known-good Immobilizer
Control Module was necessary during trouble diagnosis, register
Transponder code and ECM / Immobilizer Control Module code in
Immobilizer Control Module and ECM / Immobilizer Control Module
code in ECM/PCM by performing following procedure.
1) Perform Steps 1) and 2) described in ªHow to register ignition
keyº section.
2) Prepare ignition key with a built-in transponder. And then turn
ignition switch ON by using it.
3) Using Suzuki scan tool, clear all transponder codes registered
in Immobilizer Control Module by executing ªCLR. TRANS COD
(CLEAR TP CODE)º command in SELECT MODE menu.
NOTE:
When ªCLR. TRANS COD (CLEAR TP CODE)º command is
executed with the malfunction indicator lamp (the lamp for
vehicles equipped with the monitor coupler) ON or the im-
mobilizer indicator lamp (the lamp for vehicles not
equipped with the monitor coupler) ON, it remains ON even
after execution of that command is over. It will start flashing
when the ignition switch is turned OFF once and then
turned ON after some seconds.
4) Using Suzuki scan tool, register Transponder code in Immobiliz-
er Control Module by executing ªENT. TRANS COD (ENT. TP
CODE)º command in SELECT MODE menu.
5) Using Suzuki scan tool, register ECM / Immobilizer Control Mod-
ule code in both Immobilizer Control Module and ECM / PCM by
executing ªRECORD ECU (RECORD ECM / PCM / ICM)º com-
mand in SELECT MODE menu.
6) [Vehicle equipped with monitor coupler]
Make sure that malfunction indicator lamp lights when ignition
switch is turned OFF once and then ON.
[Vehicle not equipped with monitor coupler]
Make sure that immobilizer indicator lamp lights when ignition
switch is turned OFF once and then ON.
7) If any other Transponder code for ignition key with a built-in trans-
ponder needs to be registered, repeat above Steps 2), 4) and 6).
NOTE:
Up to 4 Transponder codes for ignition key with a built-in
transponder can be registered.
It is not possible to register the same Transponder code
for ignition key with a built-in transponder as the one al-
ready registered in Immobilizer Control Module.
Page 618 of 801

YH4
GRAND
VITARA
8G-30 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
09931-76030
16 / 14 pin DLC cable
09931-76011
Suzuki scan tool (Tech 1A kit)1. Storage case
2. Operator's manual
3. Tech 1A
4. DLC cable
(14 / 26 pin, 09931-76040)
5. Test lead/probe
6. Power source cable
7. DLC cable adapter
8. Self-test adapter
Immobilizer cartridge of
version 1.1 or more
NOTE:
Use this cable only with im-
mobilizer cartridge of ver-
sion 1.1 or more.
Use of this cable with 96
immobilizer cartridge will
disable 96 immobilizer car-
tridge from operating prop-
erly.
Mass storage cartridge of
version1.5 or more
PROCEDURE AFTER ECM / PCM
REPLACEMENT
When ECM / PCM was replaced, including when replaced because
rechecking by using a known-good ECM / PCM was necessary dur-
ing trouble diagnosis, register ECM/Immobilizer Control Module
code in ECM / PCM by performing following procedure.
1) Perform Steps 1) and 2) described in ªHow to register ignition
keyº section. And then turn ignition switch ON.
2) Using TECH1, register ECM/Immobilizer Control Module code in
ECM / PCM by executing ªRECORD ECU (RECORD ECM / PCM/
ICM)º command in SELECT MODE menu.
NOTE:
For operation procedure of Suzuki scan tool, refer to TECH1
operator's manual.
3) [Vehicle equipped with monitor coupler]
Make sure that malfunction indicator lamp lights when ignition
switch is turned OFF once and then ON.
[Vehicle not equipped with monitor coupler]
Make sure that immobilizer indicator lamp lights when ignition
switch is turned OFF once and then ON.
SPECIAL TOOLS
Page 639 of 801

YH4
GRAND
VITARA
BODY SERVICE 9-21
1. Hood lock
2. Hood lock bolts
3. Match marks
1. Hood cushion
HOOD
REMOVAL
1) Remove window washer hose from hood.
2) Remove four mounting bolts to detach hood.
ADJUSTMENT
Fore-and-aft and right-and-left adjustment.
Loosen four mounting bolts for adjustment.
Hood lock adjustment
When installing hood lock, bring bolt at intersection point of match
marks and move it in vertical direction for adjustment, if neces-
sary.
Tightening Torque
(a): 10 N
.m (1.0 kg-m, 7.5 lb-ft)
Vertical adjustment
If only one side (right or left) of hood is not level with front fender,
make it level by tightening or loosening hood cushion.
INSTALLATION
Reverse removal procedure to install hood.
INSPECTION
Check that secondary latch operates properly (check that second-
ary latch keeps hood from opening all the way even when pulling
hood release handle inside vehicle.) Also check that hood opens
and closes smoothly and properly and hood locks securely when
closed.
If any malfunction is found, lubricate hinge and latch, or repair hood
lock system.
Page 654 of 801

YH4
GRAND
VITARA
9-36 BODY SERVICE
Sealer is applied to the specific joints of a vehicle dur-
ing production. The sealer is intended to prevent dust
from entering the vehicle and serves also as an anti-
corrosion barrier. The sealer is applied to the door and
hood hem areas and between panels. Correct and re-
seal the originally sealed joints if damaged. Reseal
the attaching joints of a new replacement panel and
reseal the hem area of a replacement door or hood.
Use a quality sealer to seal the flanged joints, overlap
joints and seams. The sealer must have flexible char-
acteristics and paintability after it's applied to repair
areas.
For the sealer to fill open joints, use caulking material.
Select a sealer in conformance with the place and
purpose of a specific use. Observe the manufactur-
er's label-stand instructions when using the sealer.
In many cases, repaired places require color painting.
When this is required, follow the ordinary techniques
specified for the finish preparation, color painting and
undercoating build-up.
Rust proof wax, a penetrative compound, is applied
to the metal-to-metal surfaces (door and side sill in-
sides) where it is difficult to use ordinary undercoating
material for coating. Therefore, when selecting the
rust proof wax, it may be the penetrative type.
During the undercoating (vinyl coating) application,
care should be taken that sealer is not applied to the
engine-related parts and shock absorber mounting or
rotating parts. Following the under coating, make
sure that body drain holes are kept open.
he sequence of the application steps of the anti-corro-
sion materials are as follows:
1) Clean and prepare the metal surface.
2) Apply primer.
3) Apply sealer (all joints sealed originally).
4) Apply color in areas where color is required such
as hem flanges, exposed joints and under body
components.
5) Apply anticorrosion compound (penetrative wax).
6) Apply undercoating (rust proof material).
PAINT AND COATINGS
ANTI-CORROSION TREATMENT
WARNING:
Standard shop practices, particularly eye
protection, should be followed during the per-
formance of the below-itemized operations to
avoid personal injury.
As rust proof treatment, steel sheets are given corro-
sion resistance on the interior and / or exterior.
These corrosion resistance steel sheet materials are
called one of two-side galvanized steel sheets.
It is for the sake of rust protection that these materials
are selected and given a variety of treatments as de-
scribed blow.
1) Steel sheets are treated with cathodic electroprim-
er which is excellent in corrosion resistance.
2) Rust proof wax coatings are applied to door and
side sill insides where moisture is liable to stay.
3) Vinyl coating is applied to body underside and
wheel housing inside.
4) Sealer is applied to door hem, engine compart-
ment steel sheet-to-steel sheet joint, and the like
portions to prevent water penetration and resulting
in rust occurrence.
In panel replacement or collision damage repair, leav-
ing the relevant area untreated as it is in any operation
which does disturb the above-mentioned rust proof
treatment will cause corrosion to that area. Therefore,
it is the essential function of any repair operation to
correctly recoat the related surfaces of the relevant
area.
All the metal panels are coated with metal condition-
ers and primer coating during vehicle production. Fol-
lowing the repair and / or replacement parts installa-
tion, every accessible bare metal surface should be
cleaned and coated with rust proof primer. Perform
this operation prior to the application of sealer and
rust proof wax coating.
Page 712 of 801

YH4
GRAND
VITARA
(A)(A)
(A)
10B-6 AIR BAG SYSTEM
DIAGNOSIS
WARNING:
To avoid deployment when troubleshooting the air bag system, do not use electrical test equipment
such as a battery powered or AC powered voltmeter, ohmmeter, etc., or any type of electrical equipment
other than that specified in this manual. Do not use a non-powered probe type tester.
Instructions in this manual must be followed carefully, otherwise personal injury may result.
DIAGNOSTIC TROUBLE CODES
The ªAir Bag Diagnostic System Checkº must always be the starting point of any air bag system diagnosis. The
ªAir Bag Diagnostic System Checkº checks for proper ªAIR BAGº warning lamp operation and checks for air bag
diagnostic trouble codes using the Tech-1 (scan tool) or on-board diagnosis function.
Current diagnostic trouble code ± Malfunction that are presently being detected.
History diagnostic trouble code ± All malfunction detected since the last time the history memory was cleared.
USE OF SPECIAL TOOLS
WARNING:
To avoid deployment when troubleshooting the air bag system, do not use electrical test equipment
such as a battery powered or AC powered voltmeter, ohmmeter, etc., or any type of electrical equipment
other than that specified in this manual. Do not use a non-powered probe type tester.
Instructions in this manual must be followed carefully, otherwise personal injury may result.
You should be familiar with the tools listed under ªSpecial Toolsº in this section. You should be able to measure
voltage and resistance. You should be familiar with proper use of a scan tool such as the Tech-1 Diagnostic Com-
puter, Driver/Passenger Load Tool, Connector Test Adapter Kit and the Digital Multimeter.
Special Tool (Connector Test Adapter Kit)
(A): 09932-76010
This must be used whenever a diagnostic procedure requests
checking or probing a terminal.
Using the appropriate adapter in the special tool will ensure that no
damage to the terminal will occur from the multimeter probe, such
as spreading or bending.
The adapter will also give an idea of whether contact tension is suffi-
cient, helping to find an open or intermittent open due to poor termi-
nal contact.
Page 713 of 801

YH4
GRAND
VITARA
AIR BAG SYSTEM 10B-7
Special Tool (Air Bag Driver/Passenger Load Tool)
(B): 09932-75010
This tool is used only when called for in this section. It is used as
a diagnostic aid and safety device to prevent inadvertent air bag (in-
flator) module deployment and seat belt pretensioner activation.
The load tool has three connectors attached to its case are electri-
cally functional and serve as resistive load substitutions.
No more than two connectors are used at any time.
One of connectors (ªAº: BASE OF COLUMN) is used to substitute
the load of the driver air bag (inflator) module and the contact coil
assembly when it is connected at the base of the column to the air
bag wire harness.
Another connector (ªBº: STEERING WHEEL) is used to substitute
the load of followings.
Driver air bag (inflator) module when it is connected at the top of
the column to the contact coil assembly.
Passenger air bag (inflator) module when it is connected to the
air bag harness connector for passenger air bag (inflator) module.
Driver and passenger seat belt pretensioner when it is connected
to air bag harness connector for driver and passenger seat belt
pretensioner.
The third connector (ªCº: PASSENGER INFLATOR) is not used.
By substituting the resistance of the load tool when called for, a de-
termination can be made as to whether an inflator circuit compo-
nent is causing system malfunction and which component is caus-
ing the malfunction.
The load tool should be used only when specifically called for in the
diagnostic procedures.
Page 716 of 801

YH4
GRAND
VITARA
10B-10 AIR BAG SYSTEM
AIR BAG DIAGNOSTIC SYSTEM CHECK
WARNING:
To avoid deployment when troubleshooting the air bag system, do not use electrical test equipment
such as a battery powered or AC powered voltmeter, ohmmeter, etc., or any type of electrical equipment
other than that specified in this manual. Do not use a non-powered probe type tester.
Instructions in this manual must be followed carefully, otherwise personal injury may result.
CAUTION:
The order in which diagnostic trouble codes are diagnosed is very important. Failure to diagnose the
diagnostic trouble codes in the order specified may result in extended diagnostic time, incorrect diag-
nosis and incorrect parts replacement.
The diagnostic procedures used in this section are designed to find and repair air bag system malfunctions.
To get the best results, it is important to use the diagnostic flow tables and follow the sequence listed below.
A. PERFORM THE ªAIR BAG DIAGNOSTIC SYSTEM CHECK FLOW TABLEº
The ªAir Bag Diagnostic System Check Flow Tableº must be the starting point of any air bag system diagnostics.
The ªAir Bag Diagnostic System Check Flow Tableº checks for proper ªAIR BAGº warning lamp operation, the
ability of the SDM to communicate through ªAIR BAGº warning lamp and whether air bag diagnostic trouble
codes exist.
B. REFER TO THE PROPER DIAGNOSTIC TABLE AS DIRECTED BY THE ªAIR BAG DIAGNOSTIC SYSTEM
CHECK FLOW TABLEº.
The ªAir Bag Diagnostic System Check Flow Tableº will lead you to the correct chart to diagnose any air bag
system malfunctions. Bypassing these procedures may result in extended diagnostic time, incorrect diagnosis
and incorrect parts replacement.
C. REPEAT THE ªAIR BAG DIAGNOSTIC SYSTEM CHECK FLOW TABLEº AFTER ANY REPAIR OR DIAGNOS-
TIC PROCEDURES HAVE BEEN PERFORMED.
Performing the ªAir Bag Diagnostic System Check Flow Tableº after all repair or diagnostic procedures will en-
sure that the repair has been made correctly and that no other malfunctions exist.
Page 718 of 801

YH4
GRAND
VITARA
10B-12 AIR BAG SYSTEM
1. Data link connector (DLC)
2. DLC cable adapter
3. DLC cable
-1. ªAIR BAGº
warning lamp
-2. ªAIR BAGº fuse box
-3. ªAIR BAGº
monitor coupler
3-1. Diagnostic switch
terminal
-4. Air bag harness
(covered yellow tube)
EXAMPLE: When driver air bag initiator circuit resistance high (Code No.21) is set
Malfunction indicator lamp
(ªAIR BAGº warning lamp)
Turn ON
Turn OFF
Time (sec.) Code No. 21 Code No. 21 Code No. 21 1
DIAGNOSTIC TROUBLE CODE (DTC) CHECK
[Using SUZUKI scan tool]
1) Turn ignition switch OFF.
2) After setting cartridge to Tech 1, connect it to data link connector
(DLC) located on underside of instrument panel at driver's seat
side.
Special Tool
(A): 09931-76011 (Tech 1)
(B): Mass storage cartridge
(C): 09931-76030
3) Turn ignition switch ON.
4) Read DTC according to instructions displayed on Tech 1 and
print it or write it down. Refer to Tech 1 operator's manual for fur-
ther details.
5) After completing the check, turn ignition switch OFF and discon-
nect Tech 1 from data link connector (DLC).
[Not using SUZUKI scan tool]
1) Check that malfunction indicator lamp (ªAIR BAGº warning
lamp) comes ON when ignition switch is turned ON.
If it does not come ªONº, proceed to ªTable Bº on p.10B-18.
2) Using service wire, ground diagnosis switch terminal in monitor
coupler.
3) Read DTC from flashing pattern of malfunction indicator lamp
(ªAIR BAGº warning lamp). (Refer to ªDiagnostic Trouble Code
Tableº on p.10B-14 and 10B-15.)
4) After completing the check, turn ignition switch OFF and discon-
nect service wire from ªAIR BAGº monitor coupler.