Nissan X-Trail 32. Manual — part 1987
ST-26
< REMOVAL AND INSTALLATION >
STEERING GEAR AND LINKAGE
5.
Apply recommended grease to the boot mounting groove of gear housing assembly.Use Renolit JP1619
or equivalent.
NOTE:
Amount grease: 1.05 - 1.50 g (0.037 - 0.053 oz)
6.
Install boot to gear housing assembly and inner socket.
7.
Install the boot clamp (large diameter) as following.
• After installing steering gear assembly to front suspension
member, crimp it so that crimp part
is within
range in the
figure.
CAUTION:
Never crimp boot clamp beyond
range.
8.
Install the boot clamp (Small diameter).
9.
Adjust inner socket to standard length (L), and then tighten lock
nut
to the specified torque. Check length again after tighten-
ing lock nut.
CAUTION:
• When tightening the lock nut
, be sure to fix outer
socket
with a wrench or an equivalent to prevent the
ball joint from getting contact with the knuckle.
• Adjust toe-in after this procedure. The length achieved
after toe-in adjustment is not necessary the above value.
Inspection
INFOID:0000000010839345
INSPECTION AFTER INSTALLATION
Check the following items and replace, if necessary.
• Check if steering wheel turns smoothly when it is turned several times fully to the end of the left and right.
• Rotate steering wheel to check for decentered condition, binding, noise, or excessive steering effort.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning torque, and front
wheel turning angle.
- Steering wheel play: Refer to
.
- Neutral position steering wheel, steering wheel turning torque, and front wheel turning angle: Refer to
• Adjust neutral position of steering angle sensor. Refer to
.
INSPECTION AFTER DISASSEMBLY
Check the following items and replace, if necessary.
270
°
45
°
: Vehicle upper
JSGIA1482ZZ
L
: Refer to
ST-28, "Steering Gear and Linkage"
JPGIA0187ZZ
JSGIA0538ZZ
STEERING GEAR AND LINKAGE
ST-27
< REMOVAL AND INSTALLATION >
C
D
E
F
H
I
J
K
L
M
A
B
ST
N
O
P
Boot
Check boot for cracks, and replace it if a malfunction is detected.
Pinion Assembly
Check pinion gear for damage or wear, and replace it if a malfunction is detected.
Rack
Check rack for damage or wear, and replace it if a malfunction is detected.
Gear Housing Assembly
Check gear housing assembly for damage and scratches. Replace if there are any abnormal conditions.
Outer Socket and Inner Socket
Check the following items and replace the component if it does not meet the standard.
BALL JOINT SWINGING FORCE
• Hook a spring balance at the point and pull the spring balance.
Make sure that the spring balance reads the specified value when
ball stud and inner socket start to move. Replace outer socket or
steering gear assembly (inner socket) if they are outside the stan-
dard.
BALL JOINT AXIAL END PLAY
• Apply an axial load of 490 N (50 kg, 110 lb) to ball stud. Using a
dial gauge, measure amount of stud movement, and then make
sure that the value is within the following specified range. Replace
outer socket
or steering gear assembly (inner socket)
if the
measured value is outside the standard.
Measuring point
Outer socket
: Ball stud upper side
Inner socket
: Point
shown in the figure
Swinging force
: Refer to
.
JPGIA0188ZZ
Axial end play
: Refer to
.
JSGIA0109ZZ
ST-28
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Steering Wheel
INFOID:0000000010839346
Steering Angle
INFOID:0000000010839347
Steering Column
INFOID:0000000010839348
*: For measuring position, Refer to
.
Steering Gear and Linkage
INFOID:0000000010839349
*: For measuring position, Refer to
.
Item
Standard
Steering wheel axial end play
0 mm (0 in)
Steering wheel play on the outer circumference
0 – 35 mm (0 – 1.38 in)
Steering wheel turning force
34 N (3.5 kg-f, 7.6 lb-f)
Rack sliding force
85 – 135 N (8.67 – 13.77 kg, 19.11 – 30.35 lb)
Item
Standard
Inner wheel
Minimum
34
°
00
′
(34.0
°
)
Nominal
37
°
00
′
(37.0
°
)
Maximum
38
°
00
′
(38.0
°
)
Outer wheel
31
°
00
′
(31.0
°
)
Item
Standard
Steering column length
*
463.7 mm (18.26 in)
Tilt operating range
*
44 mm (1.73 in)
Telescopic operating range
*
50 mm (1.97 in)
Rotating torque
0 – 2.2 N·m (0 – 0.22 kg-m, 0 – 19 in-lb)
Item Standard
Rack stroke neutral position
74 mm (2.91 in)
Outer socket ball joint
Swing force
*
(Spring balance measurement)
0.3 – 2.9 N·m (0.03 – 0.29 kg-m, 3 – 25 in-lb)
Axial end play
0.5 mm (0.020 in) or less
Inner socket ball joint
Swing force
*
(Spring balance measurement)
1.0 – 7.8 N·m (0.11 – 0.79 kg-m, 9 – 69 in-lb)
Axial end play
0.2 mm (0.008 in) or less
Inner socket length
99.5 mm (3.917 in)
STC-1
STEERING
C
D
E
F
H
I
J
K
L
M
SECTION
STC
A
B
STC
N
O
P
CONTENTS
STEERING CONTROL SYSTEM
HOW TO USE THIS MANUAL . . . . . ..
HOW TO USE THIS SECTION . . . . . . .
Information . . . . . . . . . . . . . . . ....
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
Precautions for Removing Battery Terminal . . .....
Precaution for Stop/Start System Service . . . .....
Service Notice and Precautions for EPS System . ..
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
EPS Control Unit . . . . . . . . . . . . . .
EPS Motor, Torque Sensor, Reduction Gear . . ..
SYSTEM . . . . . . . . . . . . . . . .
EPS SYSTEM . . . . . . . . . . . . . . .
EPS SYSTEM : System Description . . . . . ...
EPS SYSTEM : Circuit Diagram . . . . . . . .
EPS SYSTEM : Fail-Safe . . . . . . . . . .
EPS SYSTEM : Protection Function . . . . . ...
WARNING/INDICATOR/CHIME LIST . . . . . ...
WARNING/INDICATOR/CHIME LIST : Warning
Lamp/Indicator Lamp . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (EPS CONTROL UNIT)
.
CONSULT Function . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
EPS CONTROL UNIT . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . ..
Fail-Safe . . . . . . . . . . . . . . . . ..
Protection Function . . . . . . . . . . . . ..
DTC Inspection Priority Chart . . . . . . . . ..
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
EPS SYSTEM . . . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
Diagnostic Work Sheet . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . . .
C1601 BATTERY POWER SUPPLY . . . .
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
C1604 TORQUE SENSOR . . . . . . . .
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
C1606 EPS MOTOR . . . . . . . . . . ..
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
C1607, C1608 EPS CONTROL UNIT . . . ...
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
C1609 VEHICLE SPEED SIGNAL . . . . .
DTC Description . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
U1000 CAN COMM CIRCUIT . . . . . . ...
DTC Description . . . . . . . . . . . . . ..
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