2001 SUZUKI GRAND VITARA torque

AIR BAG SYSTEM 10B-1
10B
SECTION 10B
AIR BAG SYSTEM
CONTENTS
General Description ......................................10B-3
System Components and Wiring Location
View and Connectors .................................. 10B-4
System Wiring Diagram............................... 10B-5
Diagnosis .......................................................10B-6
Diagnostic Trouble Code (DTC) .................. 10B-6
Use of Special Tool ..................................... 10B-6
Intermittents and Poor Connections ............ 10B-8
Air Bag Diagnostic System Check............... 10B-9
Air Bag Diagnostic System Check Flow
Table ......................................................... 10B-10
DTC Check ................................................ 10B-11
DTC Clearance ......................................... 10B-12
DTC Table ................................................. 10B-14
Table A - “AIR BAG” Warning Lamp
Comes ON Steady .................................... 10B-16
Table B - “AIR BAG” Warning Lamp Does
Not Come ON ............................................ 10B-16
Table C - “AIR BAG” Warning Lamp
Flashes ...................................................... 10B-16Table D - “AIR BAG” Warning Lamp
Cannot Indicate Flashing Pattern of DTC . 10B-16
Table E - SDM Cannot Communicate
through The Serial Data Circuit................. 10B-21
DTC B1015 - Passenger Air Bag Initiator
Circuit Resistance High............................. 10B-23
DTC B1016 - Passenger Air Bag Initiator
Circuit Resistance Low ............................. 10B-23
DTC B1018 - Passenger Air Bag Initiator
Circuit Short to Ground ............................. 10B-23
DTC B1019 - Passenger Air Bag Initiator
Circuit Short to Power Circuit .................... 10B-23
DTC B1021 – Driver Air Bag Initiator
Circuit Resistance High............................. 10B-28
DTC B1022 – Driver Air Bag Initiator
Circuit Resistance Low ............................. 10B-28
DTC B1024 – Driver Air Bag Initiator
Circuit Short to Ground ............................. 10B-28
DTC B1025 – Driver Air Bag Initiator
Circuit Short to Power Circuit .................... 10B-28 WARNING:
Service on or around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Please observe all WARNINGS and “Service Precautions” under “On-
Vehicle Service” in this section before performing service on or around the air bag system compo-
nents or wiring. Failure to follow WARNINGS could result in unintended activation of the system or
could render the system inoperative. Either of these two conditions may result in severe injury.
The procedures in this section must be followed in the order listed to disable the air bag system
temporarily and prevent false diagnostic trouble codes from setting. Failure to follow procedures
could result in possible activation of the air bag system, personal injury or otherwise unneeded air
bag system repairs.
CAUTION:
When fasteners are removed, always reinstall them at the same location from which they were
removed. If a fastener needs to be replaced, use the correct part number fastener for that application.
If the correct part number fastener is not available, a fastener of equal size and strength (or stronger)
may be used. Fasteners that are not reused, and those requiring thread-locking compound, will be
called out. The correct torque value must be used when installing fasteners that require it. If the above
conditions are not followed, parts or system damage could result.
NOTE:
For the descriptions (items) not found in this section, refer to the same section of the Service Manual
mentioned in the FOREWORD of this manual.

10B-2 AIR BAG SYSTEM
DTC B1031 – Power Source Voltage
High........................................................... 10B-33
DTC B1032 – Power Source Voltage
Low ........................................................... 10B-33
DTC B1035 – RH Forward Sensor Circuit
Open or Short to Ground .......................... 10B-36
DTC B1036 – RH Forward Sensor Circuit
Short Between Two Wires or Short to
Power Circuit............................................. 10B-36
DTC B1037 – LH Forward Sensor Circuit
Open or Short to Ground .......................... 10B-36
DTC B1038 – LH Forward Sensor Circuit
Short Between Two Wires or Short to
Power Circuit............................................. 10B-36
DTC B1041 – Driver Pretensioner Initiator
Circuit Resistance High............................. 10B-40
DTC B1042 – Driver Pretensioner Initiator
Circuit Resistance Low ............................. 10B-40
DTC B1043 – Driver Pretensioner Initiator
Circuit Short to Ground ............................. 10B-40
DTC B1044 – Driver Pretensioner Initiator
Circuit Short to Power Circuit .................... 10B-40
DTC B1045 – Passenger Pretensioner
Initiator Circuit Resistance High ................ 10B-40
DTC B1046 – Passenger Pretensioner
Initiator Circuit Resistance Low................. 10B-40
DTC B1047 – Passenger Pretensioner
Initiator Circuit Short to Ground ................ 10B-40
DTC B1048 – Passenger Pretensioner
Initiator Circuit Short to Power Circuit ....... 10B-40
DTC B1051 – Frontal Crash Detected
(System Activation Command Outputted). 10B-46DTC B1061 – “AIR BAG” Warning Lamp
Circuit Failure............................................ 10B-47
DTC B1071 – Internal SDM Fault ............. 10B-48
DTC B1013 – System Specifications
Different from SDM Specifications ............ 10B-48
On-Vehicle Service ..................................... 10B-49
Service Precautions .................................. 10B-49
Service and diagnosis ........................... 10B-49
Disabling air bag system ....................... 10B-50
Enabling air bag system........................ 10B-50
Handling and storage ............................ 10B-51
Repairs and Inspections Required after
an Accident ............................................... 10B-56
Accident with deployment/activation -
component replacement ....................... 10B-56
Accident with or without deployment/
activation - component inspections....... 10B-57
SDM .......................................................... 10B-60
Forward Sensor ........................................ 10B-62
Seat Belt Pretensioner .............................. 10B-64
Air Bag (Inflator) Module and Seat Belt
Pretensioner Disposal................................ 10B-65
Deployment/Activation Outside Vehicle .... 10B-66
Deployment/Activation Inside Vehicle....... 10B-72
Deployed Air Bag (Inflator) Module and
Activated Seat Belt Pretensioner
Disposal .................................................... 10B-76
Tightening Torque Specification............... 10B-77
Special Tool ................................................ 10B-77

AIR BAG SYSTEM 10B-51
3) Connect Yellow connector (1) of passenger air bag (inflator)
module, and be sure to lock connector with lock lever.
a) Connect connector.
b) Lock connector with lock lever.
4) Install glove box.
5) Install “AIR BAG” fuse to “AIR BAG” fuse box.
6) Turn ignition switch to ON and verify that “AIR BAG” warning
lamp flashes 6 times and then turns off.
If it does not operate as described, perform “AIR BAG DIAG-
NOSTIC SYSTEM CHECK” in this section.
Handling and storage
SDM
•Never attempt disassembly of SDM.
•When storing SDM, select a place where neither high tem-
perature nor high humidity is anticipated and oil, water and
dust are kept off.
•If SDM has been dropped, replace it with a new one.
•If installation part of SDM was damaged, repair that part
completely before reinstallation.
•All SDM and mounting bracket fasteners must be carefully
torqued and the arrow must be pointed toward the front of
the vehicle to ensure proper operation of the air bag system.
WARNING:
Never power up air bag system when SDM is not rigidly
attached to the vehicle. Otherwise, personal injury may
result.
CAUTION:
After detecting one time of such collision as to meet
deployment conditions, the SDM must not be used. Refer
to “AIR BAG DIAGNOSTIC SYSTEM CHECK” when
checking the SDM.

AIR BAG SYSTEM 10B-61
INSPECTION
•Check SDM and SDM plate for dents, cracks or deformation.
•Check SDM connector for damage, cracks or lock mecha-
nism.
•Check SDM terminal for bent, corrosion or rust.
If any faulty condition is found in above checks, replace.
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 (2) to vehicle.
3) Tighten SDM bolts to specified torque.
Tightening torque
SDM bolt (a) : 6 N·m (0.6 kg-m, 4.5 lb-ft)
4) Connect SDM connector (1) to SDM (2) securely.
5) Install tuner assembly, clock assembly (5), tuner pocket,
radio hole cover (4), etc. and ashtray (3).
6) Install center garnish panel (2).
7) Install front and rear center console box (1).
8) Connect negative cable to battery.
9) Enable air bag system. Refer to “ENABLING AIR BAG SYS-
TEM” in this section. CAUTION:
Do not connect a tester whatever type it may be.
Never repair or disassemble SDM.
If SDM has been dropped, it should be replaced.
CAUTION:
Ensure that arrow on the SDM is pointing toward the front
of the vehicle.(a)
2
1
FORWARD

10B-62 AIR BAG SYSTEM
Forward Sensor
REMOVAL
1) Disconnect negative cable at battery.
2) Disable air bag system. Refer to “DISABLING AIR BAG
SYSTEM” in this section.
3) Remove front grill referring to “FRONT BUMPER” in Section
9.
4) Disconnect forward sensor connector sliding connector outer
(1) as shown.
5) Remove forward sensor bolts (1), and forward sensor (2)
from front panel (3). WARNING:
During service procedures, be very careful when han-
dling a sensor.
Never strike or jar a sensor.
Under some circumstances, it could cause improper
operation of the air bag system. A sensor and mount-
ing bracket bolts must be carefully torqued to assure
proper operation.
1
1
1
3
2

AIR BAG SYSTEM 10B-63
INSPECTION
•Check sensor (1) and its bracket (2) for dents, cracks, defor-
mation or rust.
•Check sensor connector (sensor side and harness side) or
lock mechanism for damage or crack.
•Check connector terminals for bent, corrosion or rust.
•Check sensor for resistance.
Sensor resistance : 738 - 905 Ω
ΩΩ Ω
INSTALLATION
1) Check that none of following faulty conditions exists.
•Bend or deformity of sensor bracket (1) and front panel.
•Foreign matter on mating surface of sensor bracket (1) with
sensor or excessive rust.
2) Apply thread lock cement to mounting bolts thread. Install
forward sensor (1) on front panel (2) and tighten mounting
bolts (3) to specified torque.
“A” : Thread lock cement “1332B” 99000-32100
Tightening torque
(a) : 10 N·m (1.0 kg-m, 7.2 lb-ft) CAUTION:
Never disassemble forward sensor.
Sensor should be replaced when it was dropped from a
height of 90 cm (3 ft) or more.
2
1
CAUTION:
Proper operation of forward sensor requires sensor be
rigidly attached to vehicle structure and that the arrow on
sensor bracket be pointing toward the front of the vehi-
cle.
1
3
2
1

AIR BAG SYSTEM 10B-77
Tightening Torque Specification
Special Tool
Fastening partTightening torque
Nm kg-m lb-ft
SDM bolt 6 0.6 4.5
Passenger air bag (inflator) module screw 5.5 0.55 4.0
Passenger air bag (inflator) module bolt 23 2.3 16.5
Forward sensor bolt 10 1.0 7.2
Driver air bag (inflator) module bolt Refer to Section 3C1.
Seat belt pretensioner (retractor assembly) bolt Refer to Section 10A.
09932-75010 09932-75030 09932-75041 09932-75020
Air bag driver/passenger
load toolAir bag deployment har-
nessPassenger air bag (infla-
tor) module deployment
fixtureConnector test adapter kit
09931-76030 09931-76011
Digital multimeter
(See NOTE “B” and
WARNING.)16/14 pin DLC cable for
Tech-1ATech-1A kit (SUZUKI scan
tool)
(See NOTE “A”.)Mass storage cartridge for
Tech-1A
Tech-2 kit (SUZUKI scan
tool) (See NOTE “C”.)