Infiniti QX4 (R50). Manual — part 523
Drive Pinion Preload Adjustment
=NBPD0042S07
Drive pinion bearing preload adjusting method
Adjusting shim and spacer
Drive pinion preload without front oil seal
N·m (kg-cm, in-lb)
[P
1
]
1.2 - 2.0 (12 - 20, 10 - 17)
Available front
drive pinion
bearing adjust-
ing shims
Thickness mm (in)
Part number*
2.31 (0.0909)
2.33 (0.0917)
2.35 (0.0925)
2.37 (0.0933)
2.39 (0.0941)
2.41 (0.0949)
2.43 (0.0957)
2.45 (0.0965)
2.47 (0.0972)
2.49 (0.0980)
2.51 (0.0988)
2.53 (0.0996)
2.55 (0.1004)
2.57 (0.1012)
2.59 (0.1020)
38125-82100
38126-82100
38127-82100
38128-82100
38129-82100
38130-82100
38131-82100
38132-82100
38133-82100
38134-82100
38135-82100
38136-82100
38137-82100
38138-82100
38139-82100
Available drive
pinion bearing
adjusting spac-
ers
Thickness mm (in)
Part number*
4.50 (0.1772)
4.75 (0.1870)
5.00 (0.1969)
5.25 (0.2067)
5.50 (0.2165)
38165-76000
38166-76000
38167-76000
38166-01J00
38166-01J10
*: Always check with the Parts Department for the latest parts information.
REAR FINAL DRIVE
H233B
Service Data and Specifications (SDS) (Cont’d)
PD-64
RESTRAINT SYSTEM
CONTENTS
SEAT BELTS . . . . . . . . . . . . . . . . ...3
Precautions . . . . . . . . . . . . . . . . ..3
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
. . 3
PRECAUTION FOR SEAT BELT SERVICE
. . . . ..3
Front Seat Belt. . . . . . . . . . . . . . . .4
. . . . . . . . .4
Rear Seat Belt . . . . . . . . . . . . . . . .5
. . . . . . . . .5
Seat Belt Inspection. . . . . . . . . . . . . .7
. . . . . . . . . . . . .7
. . . . . . . . . . . 7
SEAT BELT RETRACTOR ON-VEHICLE CHECK
. . .8
SEAT BELT RETRACTOR OFF-VEHICLE CHECK
. ...8
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) . . .10
Precautions . . . . . . . . . . . . . . . . 10
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
. ..10
WIRING DIAGRAMS AND TROUBLE DIAGNOSIS
. .10
Preparation . . . . . . . . . . . . . . . . 11
. . . . . . . . . .. 11
Description . . . . . . . . . . . . . . . . .12
Seat Belt Pre-tensioner with Load Limiter. . . . .12
Built-in Type Side Air Bag. . . . . . . . . . ..13
SRS Component Parts Location . . . . . . . ...13
Maintenance Items . . . . . . . . . . . . . 14
Diagnosis Sensor Unit . . . . . . . . . . . ...15
. . . . . . . ...15
Seat Belt Pre-tensioner . . . . . . . . . . . .15
. . . . . . . ...15
Satellite Sensor. . . . . . . . . . . . . . ..16
. . . . . . . ...16
Driver Air Bag Module and Spiral Cable . . . . ...17
. . . . . . . ...17
. . . . . . . . . . . . . . . ...17
. . . . . . . . . . . . . . 18
Front Passenger Air Bag Module . . . . . . . ..19
. . . . . . . . . . . . . . . ...19
. . . . . . . . . . . . . . 20
Side Air Bag Module. . . . . . . . . . . . ..21
. . . . . . . . . . . . . . . ...21
. . . . . . . . . . . . . . 22
Disposal of Air Bag Module and Seat Belt Pre-
tensioner . . . . . . . . . . . . . . . . . 22
. . . . . . . .23
DEPLOYMENT PROCEDURES FOR AIR BAG
MODULE (OUTSIDE OF VEHICLE)
. . . . . . ...24
DEPLOYMENT PROCEDURES FOR SEAT BELT
PRE-TENSIONER (OUTSIDE OF VEHICLE)
. . . ..27
DEPLOYMENT OF AIR BAG MODULE AND SEAT
BELT PRE-TENSIONER WHILE MOUNTED IN
VEHICLE
. . . . . . . . . . . . . . . . .27
DISPOSING OF AIR BAG MODULE AND SEAT
BELT PRE-TENSIONER
. . . . . . . . . . ...28
Trouble Diagnoses Introduction. . . . . . . . .29
. . . . . . . . . . ...29
. . . . . ...29
HOW TO CHANGE SELF-DIAGNOSIS MODE
. . . . . . . . . . . . ...30
HOW TO CHANGE SELF-DIAGNOSIS MODE
. . . . . . . . . . . 30
HOW TO ERASE SELF-DIAGNOSIS RESULTS
. . .30
How to Perform Trouble Diagnoses for Quick
and Accurate Repair . . . . . . . . . . . . ..32
. . . . . . ..32
. . . . . . . . . . . 32
. . . . . . . . . . . . . . ..33
Schematic . . . . . . . . . . . . . . . . ..34
Wiring Diagram - SRS -. . . . . . . . . . . .35
SRS Operation Check . . . . . . . . . . . ...38
. . . . . . . . ..38
Trouble Diagnoses with CONSULT-II. . . . ...39
. . . . . . . . ..39
. . . . . . . . ..42
DIAGNOSTIC PROCEDURE 4 (CONTINUED
FROM DIAGNOSTIC PROCEDURE 2)
. . . . . ..44
. . . . . . . . ..44
Trouble Diagnoses without CONSULT-II. . . ..48
. . . . . . . . ..48
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
BT
HA
SC
EL
IDX
. . . . . . . . ..53
DIAGNOSTIC PROCEDURE 8 (CONTINUED
FROM DIAGNOSTIC PROCEDURE 6)
. . . . . ..55
Does Not Turn Off . . . . . . . . . . . . . .56
. . . . . . . . ..56
Does Not Turn On . . . . . . . . . . . . . .58
. . . . . . . . 58
Collision Diagnosis . . . . . . . . . . . . . 59
. . . . . . . . . .59
. . . . . . . . . . . .61
CONTENTS
(Cont’d)
RS-2
Precautions
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) “AIR BAG” AND “SEAT BELT
PRE-TENSIONER”
NBRS0001
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER” used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS composition which is available to INFINITI QX4 is as follows:
I
For a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steer-
ing wheel), front passenger air bag module (located on the instrument panel on passenger side), seat belt
pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
I
For a side collision
The Supplemental Restraint System consists of side air bag module (located in the outer side of front seat),
satellite sensor, diagnosis sensor unit (one of components of air bags for a frontal collision), wiring harness,
warning lamp (one of components of air bags for a frontal collision).
WARNING:
I
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be performed
by an authorized INFINITI dealer.
I
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system.
I
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. Spiral cable and wiring harnesses covered with yellow insulation tape either just
before the harness connectors or for the complete harness are related to the SRS.
PRECAUTION FOR SEAT BELT SERVICE
NBRS0002
CAUTION:
I
Before removing the seat belt pre-tensioner assembly, turn the ignition switch off, disconnect both
battery cables and wait at least 3 minutes.
I
Do not use electrical test equipment for seat belt pre-tensioner connector.
I
After replacing or reinstalling seat belt pre-tensioner assembly, or reconnecting seat belt pre-ten-
sioner connector, check the system function. Refer to “SRS Operation Check” (RS-38) for details.
I
Do not use disassemble buckle or seat belt assembly.
I
Replace anchor bolts if they are deformed or worn out.
I
Never oil tongue and buckle.
I
If any component of seat belt assembly is questionable, do not repair. Replace the whole seat belt
assembly.
I
If webbing is cut, frayed, or damaged, replace seat belt assembly.
I
When replacing seat belt assembly, use a genuine seat belt assembly.
After A Collision
NBRS0002S01
WARNING:
Inspect all seat belt assemblies including retractors and attaching hardware after any collision.
NISSAN recommends that all seat belt assemblies in use during a collision be replaced unless the
collision was minor and the belts show no damage and continue to operate properly. Failure to do so
could result in serious personal injury in an accident. Seat belt assemblies not in use during a colli-
sion should also be replaced if either damage or improper operation is noted. Seat belt pre-tensioner
should be replaced even if the seat belts are not in use during a frontal collision in which the air bags
are deployed.
Replace any seat belt assembly if:
I
The seat belt was in use at the time of a collision (except for minor collisions and the belts, retractors and
buckles show no damage and continue to operate properly).
I
The seat belt was damaged in an accident. (i.e. torn webbing, bent retractor or guide, etc.)
I
The seat belt attaching point was damaged in an accident. Inspect the seat belt attaching area for dam-
age or distortion and repair as necessary before installing a new seat belt assembly.
I
Anchor bolts are deformed or worn out.
I
The seat belt pre-tensioner should be replaced even if the seat belts are not in use during the collision in
which the air bags are deployed.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SEAT BELTS
Precautions
RS-3
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