Infiniti FX35 / FX45. Manual — part 946
SRS-44
< SERVICE INFORMATION >
DIAGNOSIS SENSOR UNIT
DIAGNOSIS SENSOR UNIT
Removal and Installation
INFOID:0000000001327771
WARNING:
• Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.
• Do not use air tools or electric tools for servicing.
REMOVAL
1.
Disconnect each harness connector for the air bag module and seat belt pre-tensioner.
2.
Remove center console. Refer to
IP-11, "Removal and Installation"
3.
Disconnect diagnosis sensor unit connector.
4.
Remove TORX bolts from the diagnosis sensor unit.
CAUTION:
• Do not use old TORX bolts. Replace with new ones.
• Check diagnosis sensor unit bracket to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible things of damage, replace with new one.
• Replace diagnosis sensor unit if it has been dropped or sustained an impact.
• Replace the diagnosis sensor unit of deployed SRS air bag and deployed SRS front seat belt pre-ten-
sioner.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
• Be careful not to damage the diagnosis sensor harness.
• After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
• In case that malfunction is detected by the air bag warning lamp, reset by the self-diagnosis function
and delete the memory by CONSULT
−
III.
• In case that malfunction is still detected after the above operation, perform self-diagnosis to repair
.
ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, confirm that the diagnosis sensor unit identification is correct for the
vehicle as equipped.
PHIA0315E
Specification
ECU DISCRIMINATED No.
Models with driver and passenger air bags, seat belt pre-tensioner, side air bags and curtain air bags
FB04
FRONT SEAT BELT PRE-TENSIONER
SRS-45
< SERVICE INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SRS
N
O
P
FRONT SEAT BELT PRE-TENSIONER
Removal and Installation
INFOID:0000000001327770
For removal and installation procedures, refer to
SRS-46
< SERVICE INFORMATION >
OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
Removal and Installation
INFOID:0000000001327772
The occupant classification system control unit, seat pressure sensor, and bladder are an integral part of the
front passenger seat cushion and are replaced as an assembly. Refer to
SE-89, "Removal and Installation"
.
COLLISION DIAGNOSIS
SRS-47
< SERVICE INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SRS
N
O
P
COLLISION DIAGNOSIS
For Frontal Collision
INFOID:0000000001327773
To repair the SRS, perform the following steps.
When SRS (except the front side air bag and sidecurtain air bag modules) is activated in a collision:
1.
Replace the diagnosis sensor unit.
2.
Remove the air bag modules (except the front side air bag modulesand side curtain air bag modules),
crash zone sensor assembly, bracket andseat belt pre-tensioner assemblies.
3.
Check the SRS components using the table below:
-
Replace any SRS components showing visible signs of damage (dents,cracks and deformation).
4.
Install new air bag modules (except the front side air bag modules and side curtain air bag modules) crash
zone sensor assembly, bracket and seat belt pre-tensioner assemblies.
5.
Conduct self-diagnosis using CONSULT-III or “AIR BAG”warning lamp. Refer to
for details. Ensure entire SRS operates properly.
When SRS is not activated in a collision:
1.
Check the SRS components using the table below:
-
Replace any SRS components showing visible signs of damage (dents, cracks and deformation).
2.
Conduct self-diagnosis using CONSULT-III or “AIR BAG” warning lamp. Refer to
for details. Ensure entire SRS operates properly.
When only one front air bag module is activated in a collision:
1.
Replace the following components:
-
Diagnosis sensor unit
-
Crash zone sensor
-
Activated front air bag and seat belt pre-tensioner.
2.
Check the other SRS components using the table below. (Refer to “SRS is NOT activated”.)
-
Replace any SRS components showing visible signs of damage (dents, cracks and deformation).
3.
Conduct self-diagnosis using CONSULT-III or “AIR BAG” warning lamp. Refer to
for details. Ensure entire SRS operates properly.
Only one front air bag may inflate a crash, depending on the crash severity and whether the front occupants
are belted or unbelted. This does not indicate improper performance of the system. Perform self-diagnosis to
make sure the entire SRS operates properly.
SRS INSPECTION (FOR FRONTAL COLLISION)
Part
SRS is activated
SRS is NOT activated
Driver airbag
module
If the Driver airbag has deployed:
REPLACE.
Install with new fasteners.
If the Driver air bag has NOT been activated:
[same text as in current manual]
Passenger front
airbag module
If the Passenger front airbag has deployed:
REPLACE.
Install with new fasteners.
If the Passenger front air bag has NOT been activated:
[same text as in current manual]
Crash zone
sensor
If any of the front airbags or seat belt pre-
tensionsers have been activated:
REPLACE the crash zone sensor and bracket
with new fasteners.
If the front airbags or seat belt pre-tensionsers have NOT
been activated:
[same text as in current manual]
Seat belt pre-ten-
sioner assemblies
If the driver or passenger Seat belt pre-tension-
er has been activated:
REPLACE the seat belt pre-tensioner
assemblies with new fasteners.
If the pre-tensioners have NOT been activated:
[same text as in current manual]
Diagnosis sensor
unit
If any of the SRS components have been
activated:
REPLACE the Diagnosis sensor unit.
Install with new fasteners.
If none of the SRS components have been activated:
[same text as in current manual]
Steering wheel
[same text as in current manual]
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