Infiniti G20 (P11). Manual — part 502
Preparation
SPECIAL SERVICE TOOLS
=NCRS0009
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
KV991072S0
(J38381-KIT)
Air bag deployment kit
KV99106400
(J38381)
Deployment tool
NT357
Disposing of air bag module
KV991065S0
(J38381-30)
Deployment tool adapters
NT762
* Deployment tool adapters for seat belt
pre-tesioner and for passenger air bag
module with black connector are not nec-
essary for servicing INFINITI G20.
KV99105300
(J41246)
Air bag module bracket
NT354
Anchoring air bag module
HT61961000 and
HT62152000 combined
(J38219)
*Special torx bit
NT361
Use for special bolts [TAMPER RESIS-
TANT TORX (Size T50)]
a: 3.5 (0.138) dia.
b: 8.5 - 8.6 (0.335 - 0.339) dia.
c: approx. 10 (0.39) sq.
Unit: mm (in)
KV99108300
(J38381-35)
Deployment tool adapter for side
air bags
NT841
KV99108200
(J38381-50 )
Deployment tool adapter for seat
belt pre-tensioner
NT721
*: Special tool or commercial equivalent
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Preparation
RS-13
SRS Configuration
NCRS0010
SRS585-J
The air bag deploys if the diagnosis sensor unit activates while the ignition switch is in the “ON” or “START”
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 passenger air bag module are activated in a frontal colli-
sion 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 module
q
—
—
Passenger air bag module
q
—
—
Seat belt pre-tensioner (LH)
q
—
—
Seat belt pre-tensioner (RH)
q
—
—
Side air bag module (LH)
—
q
—
Side air bag module (RH)
—
—
q
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS Configuration
RS-14
SRS444
Seat Belt Pre-tensioner with Load Limiter
=NCRS0034
The seat belt pre-tensioner system with load limiter is installed to
both the driver’s seat and the front passenger’s seat. It operates
simultaneously with the SRS air bag system in the event of a fron-
tal collision with an impact exceeding a specified level.
When the frontal collision with an impact exceeding a specified
level occurs, seat belt slack resulting from clothing or other factors
is immediately taken up by the pre-tensioner. Vehicle passengers
are securely restrained.
When passengers in a vehicle are thrown forward in a collision and
the restraining force of the seat belt exceeds a specified level, the
load limiter permits the specified extension of the seat belt by the
twisting of the ELR shaft, and a relaxation of the chest-area seat
belt web tension while maintaining force.
SRS560-C
Side Air Bag
NCRS0035
Front side air bag is built-in type.
The front seatbacks with built-in type side air bag have the labels
shown in figures at left.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Seat Belt Pre-tensioner with Load Limiter
RS-15
SRS Component Parts Location
NCRS0011
SRS750-A
SRS797-A
Maintenance Items
NCRS0012
CAUTION:
Do not use a circuit tester to check SRS circuit.
1.
Check operation of “AIR BAG” warning lamp.
After turning ignition key to “ON” position, “AIR BAG” warning
lamp illuminates. The “AIR BAG” warning lamp will go off after
about 7 seconds if no malfunction is detected. If any of the fol-
lowing warning lamp conditions occur, immediately check the
air bag system. Refer to RS-39 for details.
I
The “AIR BAG” warning lamp does not illuminate when the
ignition switch is turned “ON”.
I
The “AIR BAG” warning lamp does not go off about 7 seconds
after the ignition switch is turned “ON”.
I
The “AIR BAG” warning lamp blinks after about 7 seconds after
the ignition switch is turned “ON”.
2.
Visually check SRS components.
1)
Diagnosis sensor unit
I
Check diagnosis sensor unit and bracket for dents, cracks and
deformities.
I
Check connectors for damage, and terminals for deformities.
2)
Air bag module and steering wheel
I
Remove air bag module from steering wheel, instrument panel
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS Component Parts Location
RS-16
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