Page 4857 of 5883

ST-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001282485
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• 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 NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000001282486
NOTE:
This procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
Remove and install all control units after disconnecting both battery cables with the ignition switch in the
″LOCK″ position.
Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precaution for Steering SystemINFOID:0000000001282487
Observe the following precautions when disassembling.
- Before disassembly, thoroughly clean the outside of the unit.
- Disassembly should be done in a clean work area. It is important to prevent the internal parts from becoming
contaminated by dirt or other foreign matter.
- For easier and proper assembly, place disassembled parts in order on a parts rack.
Page 4858 of 5883
PRECAUTIONS
ST-3
< PRECAUTION >
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- Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere with
their operation.
- Do not reuse non-reusable parts.
- Before assembling, apply the specified grease to the directed parts.
Page 4859 of 5883
ST-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001282488
The actual shapes of Kent-Moore tools may differ from those of special tools illustrated here.
Commercial Service ToolINFOID:0000000001282489
Tool number
(Kent-Moore No.)
Tool nameDescription
ST3127S000
(J-25742-1)
Preload gauge
(J-25765-A)
1. GG91030000
Torque wrench
2. HT62940000
(—)
Socket adapter (1/2")
3. HT62900000
(—)
Socket adapter (3/8")Inspecting rotating torque for steering column
assembly and pinion assembly
KV40107300
(—)
Boot Band crimping toolInstalling boot bands
KV48103400
(—)
Preload adapterInspecting of rotating torque for pinion assem-
bly
S-NT541
ZZA1229D
ZZA0824D
Tool number
Tool nameDescription
Spring gauge Inspecting steering wheel turning force and
power steering gear linkage
Power toolRemoving nuts and bolts
LST025
PBIC0190E
Page 4860 of 5883

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
ST-5
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000001282490
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
ST-14ST-14ST-6ST-6ST-6ST-9
ST-12
, ST-14ST-9ST-9ST-14
FAX-4, "
NVH Troubleshooting Chart
"
FSU-5, "
NVH Troubleshooting Chart
"
WT-4, "
NVH Troubleshooting Chart
"
WT-4, "
NVH Troubleshooting Chart
"
FAX-4, "
NVH Troubleshooting Chart
"
BR-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED
PA R T S
Outer/Inner socket ball joint swinging torque
Outer/Inner socket ball joint end play
Steering wheel play
Steering gear pinion rotating torque
Improper steering wheel
Improper installation or looseness of tilt lock lever
Mounting loosenesss
Steering column deformation or damage
Improper installation or looseness of steering column
Steering linkage looseness
WHEEL HUB
SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
SymptomNoise××× × ××××× ×
Shake××× ××××× ×
Vibration××××× ××× ×
Shimmy××× × ×××× ×
Shudder× × ×××× ×
Page 4861 of 5883

ST-6
< ON-VEHICLE MAINTENANCE >
STEERING WHEEL
ON-VEHICLE MAINTENANCE
STEERING WHEEL
On-Vehicle Inspection and ServiceINFOID:0000000001282496
CHECKING CONDITION OF INSTALLATION
Check installation conditions of steering gear assembly, front suspension assembly, axle and steering col-
umn assembly.
Check if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
Check steering gear assembly mounting bolts and nuts for looseness. Refer to ST-12, "
Removal and Instal-
lation" .
CHECKING STEERING WHEEL PLAY
Turn steering wheel so that front wheels come to the straight-ahead position. Start engine and lightly turn
steering wheel to the left and right until front wheels start to move. Measure steering wheel movement on the
outer circumference.
When the measurement value is outside the standard value, check backlash for each joint of steering col-
umn assembly and installation condition of steering gear assembly.
CHECKING NEUTRAL POSITION STEERING WHEEL
Make sure that steering gear assembly, steering column assembly and steering wheel are installed in the
correct position.
Perform neutral position inspection after wheel alignment. Refer to SR-2, "
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"" .
Set vehicle to the straight-ahead position and confirm steering wheel is in the neutral position.
Loosen outer socket lock nut and turn inner socket to left and right equally to make fine adjustments if steer-
ing wheel is not in the neutral position.
CHECKING STEERING WHEEL TURNING FORCE
1. Park vehicle on a level and dry surface, set parking brake.
2. Start engine.
3. Check steering wheel turning force when steering wheel has
been turned 360° from neutral position using suitable tool as
shown.
4. If steering wheel turning force is out of the specification, refer to
STC-3, "
Work Flow" .
CHECKING FRONT WHEEL TURNING ANGLE
Steering wheel axial end play : 0 mm (0 in)
Steering wheel play : 0 - 35 mm (0 - 1.38 in)
Steering wheel
turning force: Less than 36 N (3.7 kg-f, 8.2 lb-f)
WGIA0180E
Page 4862 of 5883

STEERING WHEEL
ST-7
< ON-VEHICLE MAINTENANCE >
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Check front wheel turning angle after toe-in inspection. Place front
wheels on turning radius gauges and rear wheels on stands.
Check the maximum inner and outer wheel turning angles for LH
and RH road wheels.
With the engine at idle, turn steering wheel from full left stop to full
right stop and measure the turning angles.
Measure rack stroke if angles are outside the specified value. RHD
shown LHD similar.
Disassemble steering gear assembly to check the cause that rack
stroke is outside of the standard.
Steering angles are not adjustable. Check steering gear assembly,
steering column assembly and front suspension components for
wear or damage if any of the turning angles are different from the
specified value. Replace any of them, if any non-standard condi-
tion exists.
FAA0016D
Inner wheel (Angle: A) Minimum 35° 00′ (35.0°)
Nominal 38° 00′ (38.0°)
Maximum 39° 00′ (39.0°)
Outer wheel (Angle: B) 33° 00′ (33.0°)
SGIA0055E
Rack stroke “L” : 65.0 mm (2.559 in)
AWGIA0016ZZ
Page 4863 of 5883

ST-8
< ON-VEHICLE REPAIR >
STEERING WHEEL
ON-VEHICLE REPAIR
STEERING WHEEL
Removal and InstallationINFOID:0000000001282499
REMOVAL
NOTE:
When reconnecting spiral cable, secure cable with a tape so that case and rotating part keep aligned. This will
omit neutral position alignment procedure during spiral cable installation.
1. Set front wheels to straight-ahead position.
2. Remove driver air bag module. Refer to SR-4, "
Removal and Installation" .
3. Remove steering wheel lock nut after steering is locked.
4. Remove steering wheel.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not run spiral cable idle needlessly. And do not turn it more than necessary (or it leads to discon-
nection of the cable).
NOTE:
The neutral position is set as follows.
Turn the spiral cable clockwise to the end position. Then turn it
counterclockwise (about 2 and half turns) and stop turning at the
point on which the stopper insertion holes are in the same position
(B). The service part is installed in the neutral position by the stop-
per and can be set without adjusting after the stopper is removed.
Adjust the spiral cable locating pin (B) to the steering wheel locat-
ing pin hole (C).
WGIA0183E
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STEERING COLUMN
ST-9
< ON-VEHICLE REPAIR >
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STEERING COLUMN
Removal and InstallationINFOID:0000000001282500
COMPONENT
CAUTION:
Do not allow axial impact to steering column assembly during removal and installation.
Steering column must be kept at maximum tilt up position during removal and installation. Do not
operate tilt mechanism while steering column is out of the vehicle.
Put matching mark on intermediate shaft and steering column assembly before removing intermedi-
ate shaft.
When steering wheel is turned repeatedly with the vehicle stopped, care must be taken because
motor and EPS control unit may get too hot.
Steering column assembly is heavy. Care must be taken when removing steering column assembly
from vehicle.
Do not put steering column assembly near the things that generate excessive magnetic force.
Steering column assembly (with motor, reduction gear, sensor) cannot be disassembled.
REMOVAL
1. Set front wheels to straight ahead-position.
2. Remove driver air bag module. Refer to SR-4, "
Removal and Installation".
3. Remove steering wheel. Refer to ST-8, "
Removal and Installation".
4. Remove steering column cover (upper and lower). Refer to IP-10, "
Component Parts".
5. Remove combination switch and spiral cable. Refer to SR-7, "
Removal and Installation".
6. Remove instrument lower finisher. Refer to IP-10, "
Component Parts".
7. Disconnect each switch connector installed to steering column assembly, and then disconnect harness
from steering column assembly.
1. Steering wheel 2. Steering column assembly (with mo-
tor, reduction gear, sensor)3. Bracket
4. EPS control unit 5. Intermediate shaft
WGIA0179E