o2 sensor SUZUKI GRAND VITARA 1999 2.G Owners Manual

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

10B-64 AIR BAG SYSTEM
3) Connect forward sensor connector pushing connector inner
(1) as shown.
4) Connect negative cable at battery.
5) Enable air bag system. Refer to “ENABLING AIR BAG SYS-
TEM” in this section.
Seat Belt Pretensioner
Refer to “FRONT SEAT BELT” in Section 10A for removal,
inspection and installation.
1
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”.)