2002 NISSAN TERRANO ignition

COMMERCIAL SERVICE TOOL
Tool name Description
Tamper resistant torx
socket
NT757
Size: T30
SRS Configuration
The air bag deploys if the diagnosis sensor unit activates while the ignition switch is in the ªONº or ªSTARTº
position.
The collision modes for which supplemental restraint systems are activated are different among the SRS sys-
tems. For example, the driver air bag module and front passenger air bag module are activated in a frontal
collision but not in a side collision.
SRS configurations which are activated for some collision modes are as follows:
SRS configuration Frontal collision Left side collision Right side collision
Driver air bag moduleqÐÐ
Front passenger air bag moduleqÐÐ
Front LH seat belt pre-tensionerqÐÐ
Front RH seat belt pre-tensionerqÐÐ
Front LH side air bag module ÐqÐ
Front RH side air bag module Ð Ðq
SRS585-D
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Preparation (Cont'd)
RS-8

SRS Component Parts Location
Maintenance Items
CAUTION:
Do not use electrical test equipment to check SRS circuit.
1. Check operation of ªAIR BAGº warning lamp.
After turning ignition key to ªONº position, ªAIR BAGº warning
lamp illuminates. The ªAIR BAGº warning lamp will go off after
about 7 seconds if no malfunction is detected. If any of the fol-
lowing ªAIR BAGº warning lamp conditions occur, immediately
check the air bag system. Refer to RS-36 for details.
IThe ªAIR BAGº warning lamp does not illuminate when the
ignition switch is turned ªONº.
IThe ªAIR BAGº warning lamp does not go off about 7 seconds
after the ignition switch is turned ªONº.
IThe ªAIR BAGº warning lamp blinks after about 7 seconds after
the ignition switch is turned ªONº.
2. Visually check SRS components.
1) Diagnosis sensor unit
ICheck diagnosis sensor unit and bracket for dents, cracks and
deformities.
ICheck connectors for damage, and terminals for deformities.
2) Air bag module and steering wheel
IRemove air bag module from steering wheel, instrument panel
or seatback. Check harness cover and connectors for damage,
terminals for deformities, and harness for binding.
NRS102
SRS797-A
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-10

IInstall driver air bag module to steering wheel to check fit or
alignment with the wheel.
ICheck steering wheel for excessive free play.
IInstall front passenger air bag module to instrument panel to
check fit or alignment with the instrument panel.
IInstall front side air bag module to seatback to check fit and
alignment with the seat.
3) Spiral cable
ICheck spiral cable for dents, cracks, or deformities.
ICheck connectors and protective tape for damage.
ICheck steering wheel for noise, binding or heavy operation.
4) Main harness, body harness, side air bag module sub-harness
ICheck connectors for poor connections, damage, and terminals
for deformities.
ICheck harnesses for binding, chafing or cut.
5) Front seat belt pre-tensioner
ICheck harness cover and connectors for damage, terminals for
deformities, and harness for binding.
ICheck belts for damage and anchors for loose mounting.
ICheck retractor for smooth operation.
IPerform self-diagnosis for seat belt pre-tensioner using ªAIR
BAGº warning lamp or CONSULT-II.
Refer to ªSRS Operation Checkº for details. (RS-36)
6) Side air bag (satellite) sensor
ICheck side air bag (satellite) sensor (including bracket portion)
for dents, cracks or deformities.
ICheck connectors for damage, and terminals for deformities.
CAUTION:
Replace previously used special bolts and ground bolt with
new ones.
Diagnosis Sensor Unit
REMOVAL AND INSTALLATION
CAUTION:
IBefore servicing SRS, turn the ignition switch off, discon-
nect both battery cables and wait at least 3 minutes.
IThe special bolts are coated with bonding agent while the
other bolt is for ground. Do not use old bolts after removal;
replace with new ones.
ICheck diagnosis sensor unit for proper installation.
ICheck diagnosis sensor unit to ensure it is free of
deformities, dents, cracks or rust. If they show any visible
signs of damage, replace them with new ones.
ICheck diagnosis sensor unit brackets to ensure they are
free of deformities or rust.
IReplace diagnosis sensor unit if it has been dropped or
sustained an impact.
IAfter replacement of diagnosis sensor unit, perform self-
diagnosis for SRS. Refer to ªSRS Operation Checkº for
details. (RS-36)
1. Disconnect driver, front passenger and front side air bag mod-
ule connectors. Also, disconnect front seat belt pre-tensioner
connector.
2. Remove console box. Refer to BT-22, ªINSTRUMENT PANEL
ASSEMBLYº.
3. Disconnect diagnosis sensor unit connector.
4. Remove ground bolt and also remove special bolts using the
TAMPER RESISTANT TORX (Size T50), from diagnosis sen-
sor unit.
Then remove the diagnosis sensor unit.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Maintenance Items (Cont'd)
RS-11

NOTE:
ITo install, reverse the removal procedure sequence.
Front Seat Belt Pre-tensioner
REMOVAL AND INSTALLATION
CAUTION:
IBefore servicing SRS, turn the ignition switch off, discon-
nect both battery cables and wait at least 3 minutes.
ICheck front seat front belt pre-tensioner with load limiter
for proper installation.
IAfter replacement of front seat belt pre-tensioner, check
SRS function and perform self-diagnosis for SRS.
IRefer to ªSRS Operation Checkº for details. (RS-36)
IDo not attempt to disassemble front seat belt pre-tensioner
with load limiter.
IReplace front seat belt pre-tensioner if it has been dropped
or sustained an impact.
IDo not expose front seat belt pre-tensioner to tempera-
tures exceeding 80ÉC (176ÉF).
For removal of front seat belt pre-tensioner, refer to ªFront Seat
Beltº for details. (RS-4)
NOTE:
ITo install, reverse the removal procedure sequence.
YRS071
YRS072
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Diagnosis Sensor Unit (Cont'd)
RS-12

Side Air Bag (Satellite) Sensor
REMOVAL AND INSTALLATION
CAUTION:
IBefore servicing SRS, turn the ignition switch off, discon-
nect both battery cables and wait at least 3 minutes.
IDo not use old bolts coated with bonding agent after
removal; replace with new ones.
ICheck side air bag (satellite) sensor for proper installation.
ICheck side air bag (satellite) sensor to ensure they are free
of deformities, dents, cracks or rust. If it shows any visible
signs of damage, replace it with new one.
IAfter replacement of side air bag (satellite) sensor, check
SRS function and perform self-diagnosis for SRS. Refer to
ªSRS Operation Checkº for details. (RS-36)
IDo not attempt to disassemble side air bag (satellite) sen-
sor.
IReplace side air bag (satellite) sensor if it has been
dropped or sustained an impact.
1. Remove front seat belt pre-tensioner. Refer to ªFront Seat Beltº
for details. (RS-4)
2. Disconnect side air bag (satellite) sensor connector.
3. Remove bolt and nuts from side air bag (satellite) sensor unit.
Then remove the (satellite) sensor.
NOTE:
ITo install, reverse the removal procedure sequence.
YRS077
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-13

Driver Air Bag Module and Spiral Cable
REMOVAL AND INSTALLATION
REMOVAL
CAUTION:
IBefore servicing SRS, turn the ignition switch off, discon-
nect both battery cables and wait at least 3 minutes.
IAlways work from the side of driver air bag module.
1. Remove lower lid from steering wheel, and disconnect driver air
bag module connector.
2. Remove side lids. Using the TAMPER RESISTANT TORX (Size
T30), remove left and right special bolts. Driver air bag module
can then be removed.
YRS079
SBF811E
NBF004
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-14

Front Passenger Air Bag Module
REMOVAL
CAUTION:
Before servicing SRS, turn the ignition switch off, disconnect
both battery cables and wait for at least 3 minutes.
Always work from the side of (or under) front passenger air
bag module.
1. Remove glove box assembly. Refer to BT-16, ªINSTRUMENT
PANEL ASSEMBLYº for details.
2. Disconnect inflator connector.
3. Remove upper special bolts, as indicated.
4. Remove nuts holding the passenger air bag module to the
instrument panel.
5. Remove the passenger air bag module.
CAUTION:
IAlways place front passenger air bag module with pad side
facing upward.
IDo not attempt to disassemble front passenger air bag
module.
IThe special bolts are coated with bonding agent. Do not
use old bolts after removal; replace with new coated bolts.
IDo not insert any foreign objects (screwdriver, etc.) into
front passenger air bag module connector.
NRS046
NRS011
NRS110
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
RS-17

IReplace front passenger air bag module if it has been
dropped or sustained an impact.
IDo not expose the front passenger air bag module to tem-
peratures exceeding 90ÉC (194ÉF).
IDo not allow oil, grease or water to come in contact with
the front passenger air bag module.
IAfter front passenger air bag inflates, the front instrument
panel assembly should be replaced if damaged.
INSTALLATION
CAUTION:
IAlways work from the side of or under front passenger air
bag module.
1. Install front passenger air bag module.
IEnsure harness is not caught between rear of front passenger
air bag module and steering member.
2. Connect the front passenger air bag module connector.
3. Install glove box.
4. Connect both battery cables.
5. Conduct self-diagnosis to ensure entire SRS operates properly.
(Use CONSULT-II or warning lamp check.)
Front Side Air Bag Module
REMOVAL
CAUTION:
IBefore servicing SRS, turn the ignition switch OFF, discon-
nect both battery cables and wait at least 3 minutes.
IAlways work from the rear of the front side air bag mod-
ule.
1. Open the seatback zipper.
2. Disconnect front side air bag module connector.
3. Pull up the seatback trim.
4. Remove the nuts coated with bonding agent, securing front
side air bag and the inner cloth with seatback frame.
SBF814E
NRS046
SRS866
SRS867
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Front Passenger Air Bag Module (Cont'd)
RS-18