Juke F15 (2012 year). Service Repair Manual — part 343
STEERING COLUMN
ST-11
< REMOVAL AND INSTALLATION >
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• Place a matching mark on both intermediate shaft and steering column assembly before remov-
ing intermediate shaft.
• When removing intermediate shaft, never insert a tool, such as a screwdriver, into the yoke
groove to pull out the intermediate shaft. In case of the violation of the above, replace intermedi-
ate shaft with a new one.
11. Disconnect EPS control unit connectors.
12. Remove steering column assembly.
CAUTION:
When removing the mounting, be careful not to drop the steering column assembly.
13. Remove slide plate (outer and inner) from steering column assembly.
14. Remove cover, sub-harness, band, and bracket from steering column assembly.
CAUTION:
Remove cover, sub-harness, band, and bracket only when necessary.
15. Perform inspection after removal. Refer to
INSTALLATION
CAUTION:
• Never impact on the axis when removing steering column assembly.
• When installing the steering column cover, check that the vehicle harness is not stuck in the cover.
Note the following, and install in the reverse order of removal.
• After tightening mounting nut (A) of the steering column assembly,
press in slide plate (outer and inner) (1) to tighten mounting nut
(B).
CAUTION:
The slide plate must be securely pressed in before tightening
the nut of slide plate (outer and inner).
• For intermediate shaft mounting bolt direction, refer to
. (Do not insert it from the other side.)
• When connecting intermediate shaft upper side (1) and column
shaft, make sure the bolt is securely seated in groove (A) of col-
umn shaft (A) before final tightening.
• After installing steering column assembly, perform self-diagnosis
with CONSULT-III to ensure correct operation. Refer to
• Never reuse band.
• Perform inspection after installation. Refer to
Inspection
INFOID:0000000006597860
INSPECTION AFTER REMOVAL
• Check each part of steering column assembly for damage or other malfunctions. Replace if there are any
abnormal conditions.
JSGIA0837ZZ
SGIA1295E
ST-12
< REMOVAL AND INSTALLATION >
STEERING COLUMN
• Measure steering column assembly rotating torque using a preload
gauge (A) (SST: ST3127S000). Replace steering column assem-
bly if the rotating torque is outside the standard.
• Measure the length “L” shown in the figure, if vehicle has been
involved in a minor collision. Replace steering column assembly
(with motor, reduction gear, sensor) if “L” is outside the standard.
INSPECTION AFTER INSTALLATION
• Check each part of steering column assembly for damage or other malfunctions. Replace if there are any
abnormal conditions.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning force, and front wheel
turning angle. Refer to
.
• Check tilt mechanism operating range “T” shown in the figure.
Rotating torque
: Refer to
JPGIA0085ZZ
L
: Refer to
ST-23, "Steering Column Operating
.
JPGIA0139ZZ
T
: Refer to
ST-23, "Steering Column Operating
JPGIA0140ZZ
STEERING SHAFT
ST-13
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STEERING SHAFT
Exploded View
INFOID:0000000006597861
LHD models
RHD models
1.
Dash seal
2.
Guide
*
3.
Intermediate shaft
: Vehicle front
: N·m (kg-m, ft-lb)
*: If reinstalling, this part is not required.
JPGIA0172GB
1.
Dash seal
2.
Guide
*
3.
Intermediate shaft
: Vehicle front
: N·m (kg-m, ft-lb)
*: If reinstalling, this part is not required.
JPGIA0141GB
ST-14
< REMOVAL AND INSTALLATION >
STEERING SHAFT
Removal and Installation
INFOID:0000000006597862
REMOVAL
CAUTION:
Spiral cable may be cut if steering wheel turns while separating steering column assembly and steer-
ing gear assembly. Be sure to secure steering wheel using string to avoid turning.
1.
Set vehicle to the straight-ahead position.
2.
Place the tilt to the lowest level.
3.
Remove instrument lower panel. Refer to
IP-13, "Removal and Installation"
4.
Remove intermediate shaft mounting bolt (steering gear side), and separate intermediate shaft from steer-
ing gear assembly.
CAUTION:
• Place a matching mark on both intermediate shaft and steering gear assembly before removing
intermediate shaft.
• When removing intermediate shaft, never insert a tool, such as a screwdriver, into the yoke
groove to pull out the intermediate shaft. In case of the violation of the above, replace intermedi-
ate shaft with a new one.
5.
Remove intermediate shaft mounting bolt (steering column side), and remove intermediate shaft from
steering column assembly.
CAUTION:
• Place a matching mark on both intermediate shaft and steering column assembly before remov-
ing intermediate shaft.
• When removing intermediate shaft, never insert a tool, such as a screwdriver, into the yoke
groove to pull out the intermediate shaft. In case of the violation of the above, replace intermedi-
ate shaft with a new one.
6.
Remove dash seal from vehicle.
7.
Remove guide from intermediate shaft.
CAUTION:
Remove guide only when necessary.
8.
Perform inspection after removal. Refer to
INSTALLATION
CAUTION:
Spiral cable may be cut if steering wheel turns while separating steering column assembly and steer-
ing gear assembly. Be sure to secure steering wheel using string to avoid turning.
Note the following, and install in the reverse order of removal.
• To install dash seal (1) to the vehicle, insert dash seal into the
steering gear assembly and press in the protrusions (A) by hand.
CAUTION:
Never allow dash seal lip to run off the engine room side or
passenger room side.
• Follow the instructions below to install intermediate shaft to steer-
ing gear assembly.
- Insert intermediate shaft into steering gear assembly. Align groove
of the steering gear assembly with the bolt hole of the intermediate
shaft.
CAUTION:
The guide protrusion is not required to be reinstalled.
- Check for galling while hand-tightening the mounting bolt of intermediate shaft (steering gear assembly
side). After checking that the bolt is inserted in the groove of steering gear assembly, tighten the bolt to the
specified torque.
• For intermediate shaft mounting bolt direction, refer to
. (Do not insert it from the
other side.)
JPGIA0092ZZ
STEERING SHAFT
ST-15
< REMOVAL AND INSTALLATION >
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• When connecting intermediate shaft upper side (1) and column
shaft, make sure the bolt is securely seated in groove (A) of col-
umn shaft (A) before final tightening.
• After installing steering column assembly, perform self-diagnosis
with CONSULT-III to ensure correct operation. Refer to
• Perform inspection after installation. Refer to
.
Inspection
INFOID:0000000006597863
INSPECTION AFTER REMOVAL
• Check each part of intermediate shaft for damage or other malfunctions. Replace if there are any abnormal
conditions.
INSPECTION AFTER INSTALLATION
• Check each part of intermediate shaft for damage or other malfunctions. Replace if there are any abnormal
conditions.
• 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 force, and front wheel
turning angle. Refer to
,
SGIA1295E
ST-16
< REMOVAL AND INSTALLATION >
STEERING GEAR AND LINKAGE
STEERING GEAR AND LINKAGE
Exploded View
INFOID:0000000006597864
REMOVAL
LHD Models
RHD Models
1.
Steering gear assembly
2.
Heat insulator
3.
Front suspension member
: Vehicle front
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
JPGIA0143GB
STEERING GEAR AND LINKAGE
ST-17
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DISASSEMBLY
LHD models
1.
Steering gear assembly
2.
Heat insulator
3.
Front suspension member
: Vehicle front
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
JPGIA0144GB
ST-18
< REMOVAL AND INSTALLATION >
STEERING GEAR AND LINKAGE
RHD models
1.
Outer socket
2.
Boot clamp (small diameter)
3.
Boot
4.
Boot clamp (large diameter)
5.
Steering gear assembly
6.
Dust cover
1: Apply Genuine Lithium Soap, Autorex A (manufactured by Kyodo yushi) or equivalent.
2: Apply Genuine Lithium Soap, Wanlouver No.2 (manufactured by Kyodo yushi) or equivalent.
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPGIA0145GB
STEERING GEAR AND LINKAGE
ST-19
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Removal and Installation
INFOID:0000000006597865
REMOVAL
1.
Set vehicle to the straight-ahead position.
2.
Remove intermediate shaft mounting bolt (steering gear assembly side). Refer to
.
CAUTION:
• Spiral cable may be cut if steering wheel turns while separating steering column assembly and
steering gear assembly. Always fix the steering wheel using string to avoid turning.
• Place a matching mark on both intermediate shaft and steering gear assembly before removing
intermediate shaft.
• When removing intermediate shaft, never insert a tool, such as a screwdriver, into the yoke
groove to pull out the intermediate shaft. In case of the violation of the above, replace intermedi-
ate shaft with a new one.
3.
Remove dash seal from vehicle. Refer to
ST-14, "Removal and Installation"
.
4.
Remove tires. Refer to
WT-7, "Removal and Installation"
.
1.
Outer socket
2.
Boot clamp (small diameter)
3.
Boot
4.
Boot clamp (large diameter)
5.
Steering gear assembly
6.
Dust cover
1: Apply Genuine Lithium Soap, Autorex A (manufactured by Kyodo yushi) or equivalent.
2: Apply Genuine Lithium Soap, Wanlouver No.2 (manufactured by Kyodo yushi) or equivalent.
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPGIA0146GB
ST-20
< REMOVAL AND INSTALLATION >
STEERING GEAR AND LINKAGE
5.
Remove steering outer socket from steering knuckle so as not to
damage ball joint boot using suitable ball joint remover (com-
mercial service tool).
CAUTION:
Temporarily tighten the nut to prevent damage to threads
and to prevent the ball joint remover from sudden drop
turning.
6.
Remove front suspension member. Refer to
7.
Remove steering gear assembly.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Spiral cable may be cut if steering wheel turns while separating steering column assembly and steer-
ing gear assembly. Always fix the steering wheel using string to avoid turning.
• Perform final tightening of nuts and bolts on each part under unladen conditions with tires on level ground
when removing steering gear assembly. Check wheel alignment. Refer to
• Rotate steering wheel to check for decentered condition, binding, noise or excessive steering effort.
• Never reuse steering outer socket mounting nut and steering gear assembly mounting nut.
• Perform inspection after installation. Refer to
.
Disassembly and Assembly
INFOID:0000000006597866
DISASSEMBLY
1.
Loosen outer socket lock nut, and remove outer socket.
CAUTION:
When loosening lock nut, be sure to fix outer socket with a wrench or an equivalent.
2.
Remove boot clamps, and then remove boot from inner socket.
CAUTION:
Never damage inner socket part and gear housing part of steering gear assembly when removing
boot. steering gear assembly must be replaced if steering gear assembly are damaged because it
may cause foreign material interfusion.
3.
Remove dust cover.
4.
Perform inspection after disassembly. Refer to
.
ASSEMBLY
1.
Apply recommended grease to the entire inner perimeter (A) of
the dust cover lip and contact surface (B) of the gear housing
part, and install dust cover to steering gear assembly.
Use Genuine Lithium Soap, Wanlouver No.2 (manufactured
by Kyodo yushi) or equivalent.
SGIA0184J
JPGIA0103ZZ
STEERING GEAR AND LINKAGE
ST-21
< REMOVAL AND INSTALLATION >
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2.
Apply recommended grease to inner socket (A) of steering gear
assembly and install boot to steering gear assembly.
Use Genuine Lithium Soap, Autorex A (manufactured by
Kyodo yushi) or equivalent.
CAUTION:
Never reuse boot.
3.
Install boot clamp (large diameter) (1) to boot using boot band
crimping tool (A) (SST: KV40107300).
CAUTION:
• Never reuse boot clamp (large diameter).
• Install boot clamp (large diameter) (1) securely to boot
groove, and crimp it so as to have clearance (B) of 3 mm
(0.12 in) or less as shown.
4.
Install boot clamp (small diameter) to boot.
CAUTION:
Never reuse boot clamp (small diameter).
5.
Adjust inner socket to standard length (L), and then tighten lock
nut to the specified torque. Check length again after tightening
lock nut.
CAUTION:
• When tightening the lock nut (1), be sure to fix outer
socket (2) with a wrench or an equivalent to prevent the
ball joint from getting contact with the knuckle.
• Adjust toe-in. Refer to
. Length
achieved after toe-in adjustment is not necessarily the
above value.
Inspection
INFOID:0000000006597867
INSPECTION AFTER INSTALLATION
• Check if steering wheel turns smoothly when it is turned several times fully to the end of the left and right.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning force, and front wheel
turning angle. Refer to
.
INSPECTION AFTER DISASSEMBLY
Boot
• Check boot for cracks, and replace it if a malfunction is detected.
Grease application position (Reference)
A
: 10 mm (0.39 in)
JPGIA0102ZZ
JSGIA0140ZZ
L
: Refer to
SGIA0167E
JSGIA0538ZZ
ST-22
< REMOVAL AND INSTALLATION >
STEERING GEAR AND LINKAGE
Steering Gear Assembly
• Check steering gear 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 shown in the figure and pull the
spring balance. Make sure that the spring balance reads the spec-
ified value when ball stud and inner socket start to move. Replace
outer socket or steering gear assembly (inner socket) if they are
outside the standard.
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 (1) or steering gear assembly (inner socket) (2) if the
measured value is outside the standard.
Outer socket
(Measuring point of outer socket: Ball stud upper side)
: Refer to
.
Inner socket
(Measuring point of inner socket: “*” mark shown in the
figure)
: Refer to
.
Outer socket
: Refer to
ST-24, "Socket Axial End Play"
Inner socket
: Refer to
ST-24, "Socket Axial End Play"
SGIA0896E
JSGIA0109ZZ
SERVICE DATA AND SPECIFICATIONS (SDS)
ST-23
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000006597868
Steering Wheel Axial End Play and Play
INFOID:0000000006597869
Unit: mm (in)
Steering Wheel Turning Force
INFOID:0000000006597870
Unit: N (kg-f, lb-f)
Steering Angle
INFOID:0000000006597871
Unit: Degree minute (Decimal degree)
Steering Column Operating Range
INFOID:0000000006597872
*: For measuring position, refer to
Rack Stroke
INFOID:0000000006597873
Unit: mm (in)
Socket Swing Force
INFOID:0000000006597874
*: For measuring position, refer to
Steering gear model
R25N
Item
Standard
Steering wheel axial end play
0 (0)
Steering wheel play on the outer circumference
0 - 35 (0 - 1.38)
Item
Standard
Steering wheel turning force
36 (3.7, 8.09) or less
Item
Standard
Inner wheel
Minimum
33
°
00
′
(33.0
°
)
Nominal
36
°
00
′
(36.0
°
)
Maximum
37
°
00
′
(37.0
°
)
Outer wheel
Nominal
31
°
00
′
(31.0
°
)
Tilt operating range
*
40.0 mm (1.575 in)
Rotating torque
0 – 2.1 N·m (0 – 0.21 kg-m, 0 – 2 in-lb)
Steering column length
*
438.5 – 440.5 mm (17.26 – 17.34 in)
Item
Standard
Rack stroke neutral position
68 (2.68)
Item
Standard
Outer socket
Spring balance measurement
*
6.0 – 58 N (0.61 – 5.9 kg-f, 1.35 – 13.03 lb-f)
Inner socket
Spring balance measurement
*
4.3 – 43.1 N (0.44 – 4.39 kg-f, 0.97 – 9.68 lb-f)
ST-24
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Socket Axial End Play
INFOID:0000000006597875
Inner Socket Length
INFOID:0000000006597876
Unit: mm (in)
Item
Standard
Outer socket
0.5 mm (0.020 in) or less
Inner socket
0.2 mm (0.008 in) or less
Item
Standard
Rack neutral position, dimension
83.5 (3.287)
STC-1
STEERING
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CONTENTS
STEERING CONTROL SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .....
Service Notice or Precautions for EPS System . ....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
EPS Control Unit . . . . . . . . . . . . . ...
EPS Motor . . . . . . . . . . . . . . . .....
Torque Sensor . . . . . . . . . . . . . . ..
Reduction Gear . . . . . . . . . . . . . .....
SYSTEM . . . . . . . . . . . . . . . ..
EPS SYSTEM . . . . . . . . . . . . . . . ..
EPS SYSTEM : System Description . . . . . .....
EPS SYSTEM : Fail-Safe . . . . . . . . . . ..
EPS SYSTEM : Protection Function . . . . . .....
DIAGNOSIS SYSTEM (EPS CONTROL UNIT)
.
CONSULT-III Function . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
EPS CONTROL UNIT . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . .
Fail-Safe . . . . . . . . . . . . . . . . ..
Protection Function . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
ELECTRONICALLY CONTROLLED POWER
STEERING SYSTEM . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
Diagnostic Work Sheet . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . . .
C1601 BATTERY POWER SUPPLY . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1604 TORQUE SENSOR . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1606 EPS MOTOR . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1607, C1608 EPS CONTROL UNIT . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
C1609 VEHICLE SPEED SIGNAL . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
U1000 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
EPS WARNING LAMP . . . . . . . . . ..
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
STC-2
EPS WARNING LAMP DOES NOT TURN ON ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
EPS WARNING LAMP DOES NOT TURN
OFF . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
STEERING WHEEL TURNING FORCE IS
HEAVY OR LIGHT . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
UNBALANCE STEERING WHEEL TURNING
FORCE (TORQUE VARIATION) . . . . . ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . ..
EPS CONTROL UNIT . . . . . . . . . .
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