2006 INFINITI QX56 Factory Service Manual

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Page 3097 of 3383

INFINITI QX56 2006 Factory Service Manual SRS-56
SIDE AIR BAG (SATELLITE) SENSOR
Revision: November 20092006 QX56
SIDE AIR BAG (SATELLITE) SENSORPFP:98830
Removal and InstallationEHS00173
REMOVAL
CAUTION:
Before servicing the SRS, turn the i

Page 3098 of 3383

INFINITI QX56 2006 Factory Service Manual FRONT SEAT BELT PRE-TENSIONERSRS-57
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SRS
Revision: November 2009 2006 QX56
FRONT SEAT BELT PRE-TENSIONERPFP:86884
Removal and Installation EHS00174
For removal and installation p

Page 3099 of 3383

INFINITI QX56 2006 Factory Service Manual SRS-58
DIAGNOSIS SENSOR UNIT
Revision: November 20092006 QX56
DIAGNOSIS SENSOR UNITPFP:28556
Removal and InstallationEHS00175
REMOVAL
CAUTION:
Before servicing the SRS, turn the ignition switch off,

Page 3100 of 3383

INFINITI QX56 2006 Factory Service Manual OCCUPANT CLASSIFICATION SYSTEM CONTROL UNITSRS-59
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SRS
Revision: November 2009 2006 QX56
OCCUPANT CLASSIFICATION SYSTEM CONTROL UNITPFP:98852
Removal and InstallationEHS00176
The

Page 3101 of 3383

INFINITI QX56 2006 Factory Service Manual SRS-60
COLLISION DIAGNOSIS
Revision: November 20092006 QX56
COLLISION DIAGNOSISPFP:00015
For Frontal CollisionEHS001N3
Check the SRS components using the following table.
After the work is completed,

SRS-60
COLLISION DIAGNOSIS
Revision: November 20092006 QX56
COLLISION DIAGNOSISPFP:00015
For Frontal CollisionEHS001N3
Check the SRS components using the following table.
After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
SRS-20, "
SRS Operation Check" .
SRS INSPECTION (FOR FRONTAL COLLISION)
PartSRS is activated SRS is NOT activated
Driver air bag module If the driver air bag has deployed:
REPLACE
Install with new fas-
teners. If the driver air bag has NOT been activated:
1. Remove driver air bag module. Check harness cover and connectors for damage,
terminals for deformities, and harness for binding.
2. Install driver air bag module into the steering wheel to check fit and alignment with the wheel.
3. If no damage is found, reinstall with new fasteners.
4. If damaged —REPLACE. Install driver air bag modules with new fasteners.
Front passenger air
bag module If the front passenger
air bag has deployed:
REPLACE
Install with new fas-
teners. If the front passenger air bag has NOT been activated:
1. Remove front passenger air bag module. Check harness cover and connectors for
damage, terminals for deformities, and harness for binding.
2. Install front passenger air bag module into the instrument panel to check fit with the instrument panel.
3. If no damage is found, reinstall with new fasteners.
4. If damaged —REPLACE. Install front passenger air bag modules with new fasten-
ers.
Crash zone sensor If any of the front air bags or seat belt pre-
tensioners* have
been activated:
REPLACE the crash
zone sensor and
bracket with new fas-
teners.
*: Confirm seat belt
pre-tensioner activa-
tion using CONSULT-
II only. If the front air bags or seat belt pre-tensioners have NOT been activated:
1. Remove the crash zone sensor. Check harness connectors for damage, terminals
for deformities, and harness for binding.
2. Check for visible signs of damage (dents, cracks, deformation) of the crash zone sensor and bracket.
3. Install the crash zone sensor to check fit.
4. If no damage is found, reinstall with new fasteners.
5. If damaged —REPLACE the crash zone sensor and bracket with new fasteners.
Seat belt pre-ten-
sioner assemblies
(All applicable loca-
tions: buckle, reel, lap
outer) If either the driver or
passenger seat belt
pre-tensioner* has
been activated:
REPLACE all seat
belt pre-tensioner
assemblies with new
fasteners.
*: Confirm seat belt
pre-tensioner activa-
tion using CONSULT-
II only. If the pre-tensioners have NOT been activated:
1. Remove seat belt pre-tensioners.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. Check seat belt adjuster for damage.
5. Check for deformities of the center pillar inner.
6. If the center pillar inner has no damage, REPLACE the seat belt pre-tensioner assembly.
7. If no damage is found, reinstall seat belt pre-tensioner assembly.
8. If damaged —REPLACE. Install the seat belt pre-tensioners with new fasteners.
Diagnosis sensor unit If any of the SRS components have
been activated:
REPLACE the diag-
nosis sensor unit.
Install with new fas-
teners. If none of the SRS components have been activated:
1. Check case for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall with new fasteners.
4. If damaged
—REPLACE. Install diagnosis sensor unit with new fasteners.

Page 3102 of 3383

INFINITI QX56 2006 Factory Service Manual COLLISION DIAGNOSISSRS-61
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Revision: November 2009 2006 QX56
For Side and Rollover CollisionEHS001N4
Check the SRS components using the following table.
After the work is co

COLLISION DIAGNOSISSRS-61
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Revision: November 2009 2006 QX56
For Side and Rollover CollisionEHS001N4
Check the SRS components using the following table.
After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
SRS-20, "
SRS Operation Check" .
WHEN SRS IS ACTIVATED IN THE SIDE OR ROLLOVER COLLISION
1. Replace the following components:
–Front seat back assembly (on the side on which side air bag is activated)
–Diagnosis sensor unit
–(LH or RH) side air bag (satellite) sensor (on the side on which side air bag is activated)
2. Check the SRS components and the related parts using the following table.
–Replace any SRS components and the related parts showing visible signs of damage (dents, cracks,
deformation).
3. Conduct self-diagnosis using CONSULT-II and “AIR BAG” warning lamp. Refer to SRS-20, "
SRS Opera-
tion Check" for details. Ensure entire SRS operates properly.
WHEN SRS IS NOT ACTIVATED IN THE SIDE OR ROLLOVER COLLISION
1. Check the SRS components and the related parts using the following table.
–If the front seat back assembly is damaged, the front seat back assembly must be replaced.
2. Conduct self-diagnosis using CONSULT-II and “AIR BAG” warning lamp. Refer to SRS-20, "
SRS Opera-
tion Check" for details. Ensure entire SRS operates properly.
Steering wheel 1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install driver air bag module into the steering wheel to check fit and alignment with the wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall.
6. If damaged—REPLACE.
Spiral cable If the driver front air
bag has deployed:
REPLACE the spiral
cable. If the driver front air bag has not deployed:
1. Visually check spiral cable and combination switch for damage.
2. Check connectors and protective tape for damage.
3. Check steering wheel for noise, binding or heavy operation.
4. If no damage is found, reinstall.
5. If damaged
—REPLACE.
Occupant classifica-
tion system (Passen-
ger seat) 1. Remove passenger seat.
2. Check control unit case for dents, cracks of deformities.
3. Check connectors and pressure sensor tube for damage, and terminals for deformities.
4. Check seat frame and cushion pan for dents or deformities.
5. If no damage is found, reinstall seat with new fasteners.
6. If damaged
— REPLACE seat cushion assembly with new fasteners.
Harness and connec-
tors 1. Check connectors for poor connection, damage, and terminals for deformities.
2. Check harness for binding, chafing, cuts, or deformities.
3. If no damage is found, reinstall the harness and connectors.
4. If damaged—
REPLACE the damaged harness. Do not attempt to repair, splice or modify any SRS harness.
Instrument panel If the passenger front air bag has deployed:
REPLACE the instru-
ment panel assembly.If the passenger front air bag has NOT deployed:
1. Visually check instrument panel for damage.
2. If no damage is found, reinstall the instrument panel.
3. If damaged—
REPLACE the instrument panel.
Part
SRS is activated SRS is NOT activated

Page 3103 of 3383

INFINITI QX56 2006 Factory Service Manual SRS-62
COLLISION DIAGNOSIS
Revision: November 20092006 QX56
SRS INSPECTION (FOR SIDE AND ROLLOVER COLLISION)
PartSRS is activated SRS is NOT activated
LH side curtain air
bag module If the LH side cu

SRS-62
COLLISION DIAGNOSIS
Revision: November 20092006 QX56
SRS INSPECTION (FOR SIDE AND ROLLOVER COLLISION)
PartSRS is activated SRS is NOT activated
LH side curtain air
bag module If the LH side curtain
air bag has deployed:
REPLACE the LH
side curtain air bag
module. (Repair the
center pillar inner, etc.
before installing new
one if damaged.)If the LH side curtain air bag has NOT deployed:
1. Check for visible signs of damage (dents, tears, deformation) of the center pillar on
the collision side.
2. If damaged—Remove the LH side curtain air bag module.
3. Check for visible signs of damaged (tears etc.) of the LH side curtain air bag mod- ule.
4. Check harness and connectors for damage, and terminals for deformities.
5. If no damage is found, reinstall the LH side curtain air bag module with new fasten- ers.
6. If damaged—REPLACE the LH side curtain air bag module with new fasteners.
RH side curtain air
bag module If the RH side curtain
air bag has deployed:
REPLACE the RH
side curtain air bag
module. (Repair the
center pillar inner, etc.
before installing new
one if damaged.)If the RH side curtain air bag has NOT deployed:
1. Check for visible signs of damage (dents, tears, deformation) of the center pillar on
the collision side.
2. If damaged—Remove the RH side curtain air bag module.
3. Check for visible signs of damaged (tears etc.) of the RH side curtain air bag mod- ule.
4. Check harness and connectors for damage, and terminals for deformities.
5. If no damage is found, reinstall the RH side curtain air bag module with new fasten- ers.
6. If damaged —REPLACE the RH side curtain air bag module with new fasteners.
Front LH side air bag
module If the front LH side air
bag has deployed:
REPLACE front LH
seatback assembly.If the front LH side air bag has NOT deployed:
1. Check for visible signs of damage (dents, tears, deformation) of the seat back on
the collision side.
2. Check harness and connectors for damage, and terminals for deformities.
3. If damaged—REPLACE the front LH seatback assembly.
Front RH side air bag
module If the front RH side air
bag has deployed:
REPLACE front RH
seatback assembly.If the front RH side air bag has NOT deployed:
1. Check for visible signs of damage (dents, tears, deformation) of the seat back on
the collision side.
2. Check harness and connectors for damage, and terminals for deformities.
3. If damaged—REPLACE the front RH seatback assembly.
(LH or RH) side air
bag (satellite) sensor If any of the SRS
components have
deployed:
REPLACE the side
air bag (satellite) sen-
sor on the collision
side with new fasten-
ers. (Repair the cen-
ter pillar inner, etc.
before installing new
one if damaged.)If none of the SRS components have been activated:
1. Remove the side air bag (satellite) sensor on the collision side. Check harness
connectors for damage, terminals for deformities, and harness for binding.
2. Check for visible signs of damage (dents, cracks, deformation) of the side air bag (satellite) sensor.
3. Install the side air bag (satellite) sensor to check fit.
4. If no damage is found, reinstall the side sir bag (satellite) sensor with new fasten- ers.
5. If damaged—REPLACE the side air bag (satellite) sensor with new fasteners.
Diagnosis sensor unit If any of the SRS components have
deployed:
REPLACE the diag-
nosis sensor unit with
new fasteners.If none of the SRS components have been activated:
1. Check case and bracket for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall the diagnosis sensor unit with new fasteners.
4. If damaged—REPLACE the diagnosis sensor unit with new fasteners.

Page 3104 of 3383

INFINITI QX56 2006 Factory Service Manual COLLISION DIAGNOSISSRS-63
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Revision: November 2009 2006 QX56
Seat belt pre-ten-
sioner assemblies
(All applicable loca-
tions: buckle, reel, lap
outer)If either the driver o

COLLISION DIAGNOSISSRS-63
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SRS
Revision: November 2009 2006 QX56
Seat belt pre-ten-
sioner assemblies
(All applicable loca-
tions: buckle, reel, lap
outer)If either the driver or
passenger seat belt
pre-tensioner* has
been activated:
REPLACE all seat
belt pre-tensioner
assemblies with new
fasteners.
*: Confirm seat belt
pre-tensioner activa-
tion using CONSULT-
II only.If the pre-tensioners have NOT been activated:
1. Remove seat belt pre-tensioners.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. Check seat belt adjuster for damage.
5. Check for deformities of the center pillar inner.
6. If the center pillar inner has no damage, REPLACE the seat belt pre-tensioner assembly.
7. If no damage is found, reinstall seat belt pre-tensioner assembly.
8. If damaged— REPLACE. Install the seat belt pre-tensioners with new fasteners.
Seat (with front side
air bag) If either the front LH
or front RH side air
bag modules has
been deployed:
REPLACE front seat-
back assembly on the
deployed side.If the front LH or front RH side air bag modules have NOT deployed:
1. Visually check the seat on the collision side.
2. Remove the seat on the collision side and check the following for damage and
deformities.
–Harness, connectors and terminals
–Frame and recliner (for front and rear seat), and also adjuster and slides (for front
seat)
3. If no damage is found, reinstall the seat.
4. If damaged —REPLACE the damaged seat parts using new fasteners. If the front
seat back is damaged, the front seat back assembly must be replaced.
Center inner pillar 1. Check the center inner pillar on the collision side for damage (dents, cracks, deformation). 2. If damaged—REPAIR the center inner pillar.
Trim/headlining 1. Check for visible signs of damage (dents, cracks, deformation) of the interior trim on the collision side. 2. If damaged—REPLACE the damaged trim parts.
Part
SRS is activated SRS is NOT activated

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