Nissan Murano Z51 (2013 year). Manual — part 84
ST-52
< REMOVAL AND INSTALLATION >
[WITH HEATED STEERING WHEEL]
STEERING GEAR AND LINKAGE
12. Apply recommended thread locking sealant to the thread (2
turns thread), and then screw in the adjusting screw until it
reaches height “H” from gear housing assembly measured
before disassembling.
Use Genuine High Performance Thread Sealant or equiva-
lent. Refer to
GI-22, "Recommended Chemical Products and
13. Move rack assembly 10 strokes throughout the full stroke so that
the parts can fit with each other.
14. Adjust pinion rotating torque with the following procedure.
a.
Measure pinion rotating torque within
±
180
°
of neutral position
of the rack assembly using Tools. Stop the gear at the point
where highest torque is read.
b.
Loosen adjusting screw and retighten to 5.4 N·m (0.55 kg-m, 48
in-lb), and then loosen by 20 to 40
°
.
c.
Measure pinion rotating torque using Tools to make sure that the
measured value is within the standard. Readjust if the value is
outside the standard. Replace steering gear assembly, if the
value is outside the standard after readjusting, or adjusting
screw rotating torque is 5 N·m (0.51 kg-m, 44 in-lb) or less.
d.
Apply recommended liquid gasket to inner socket and turn pinion fully to left with inner socket installed to
gear housing assembly.
e.
Install dial gauge at 5 mm (0.20 in) (L) from the edge of gear
housing assembly (1), and tooth point.
f.
Measure vertical movement of rack assembly when pinion is
turned clockwise with torque of 19.6 N·m (2.0 kg-m, 14 ft-lb).
Readjust adjusting screw angle if the measured value is outside
the standard.
• If reading is outside of the specification, readjust screw angle
with adjusting screw.
CAUTION:
• If reading is still outside of specification, or if the rotating torque of adjusting screw is less
than 5 N·m (0.51 kg-m, 44 in-lb), replace steering gear assembly.
• Never turn adjusting screw more than twice.
• Replace steering gear assembly when adjusting screw is removed or turned more than twice.
SGIA0624E
A: Preload gauge [SST: ST3127S000 (J-25765-A)]
B: Preload adapter [SST: KV48103400 (
—
)]
SGIA1383E
Pinion rotating torque
Around neutral position
(within
±
100
°
) average (A)
: 1.59 – 2.0 N·m (0.17 –
0.20 kg-m, 14 – 17 in-lb)
Maximum variation (B)
: 0.39 N·m (0.04 kg-m, 3.0
in-lb)
Vertical movement
: 0.265 mm (0.0104 in)
SGIA0936E
JSGIA0104ZZ
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STEERING GEAR AND LINKAGE
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15. Install large end of boot to gear housing assembly.
16. Install small end of boot to inner socket boot mounting groove.
17. Install boot clamp to boot small end.
18. Install boot clamp to the large side of boot with the following procedure.
CAUTION:
Never reuse boot clamp.
a.
Tighten large side of boot with boot clamp (stainless wire).
b.
Wrap clamp around boot groove for two turns. Insert a flat-
bladed screwdriver in loops on both ends of wire. Twist 4 to 4.5
turns while pulling them with force of approximately 98 N (10 kg,
22 lb).
c.
Twist boot clamp as shown. Pay attention to relationship
between winding and twisting directions.
d.
Twisted area (A) of clamp is in the opposite side of adjusting
screw (1) as shown in the figure (to prevent contact with other
parts).
SGIA1325E
Wire length (L)
: 370 mm (14.57 in)
SGIA0163E
SGIA0164E
JSGIA0324ZZ
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ST-54
< REMOVAL AND INSTALLATION >
[WITH HEATED STEERING WHEEL]
STEERING GEAR AND LINKAGE
e.
Bent cut end of the wire toward rack axial as shown in the figure
after twisting the wire 4 to 4.5 turns so that cut end does not con-
tact with boot.
19. Install cylinder tubes to gear housing assembly.
20. Install low pressure piping.
21. Adjust inner socket to standard length (L), and then tighten lock
nut (1) to the specified torque. Check length again after tighten-
ing lock nut.
CAUTION:
Adjust toe-in after this procedure. The length achieved after
toe-in adjustment is not necessary the above value.
Inspection
INFOID:0000000008459303
INSPECTION AFTER DISASSEMBLY
Boot
Check boot for cracks, and replace it if a malfunction is detected.
Rack Assembly
Check rack for damage or wear, and replace it if a malfunction is detected.
Gear-Sub Assembly
• Check gear-sub assembly for damage or wear, and replace it if a malfunction is detected.
• Rotate gear-sub assembly and check for torque variation or rattle, and replace it if a malfunction is detected.
Gear Housing Assembly
Check gear housing assembly for damage and scratches (inner wall). Replace if there are.
Outer Socket and Inner Socket
Check the following items and replace the component if it does not meet the standard.
BALL JOINT SWINGING TORQUE
Hook a spring balance at the point shown in the figure and pull the
spring balance. Make sure that the spring balance reads the speci-
fied value when ball stud and inner socket start to move. Replace
outer socket and inner socket if they are outside the standard.
A
: Gear housing RHD side
B
: Gear housing LHD side
JSGIA0325ZZ
Standard
Inner socket length (L)
: Refer to
.
JPGIA0187ZZ
Standard
(Measuring point of outer socket: Stud cotter pin
mounting hole)
Outer socket
Swing Force and Rotating
Torque"
SGIA0896E
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STEERING GEAR AND LINKAGE
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BALL JOINT ROTATING TORQUE
Make sure that the reading is within the following specified range
using preload gauge (A) [SST: ST3127S000 (J-25765-A)]. Replace
outer socket if the reading is outside the specified value.
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) and inner socket (2) if the measured value is outside the
standard.
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
• Check the fluid level, fluid leakage, and air bleeding hydraulic system. Refer to
.
Standard
(Measuring point of inner socket: “*” mark shown in
the figure)
Inner socket
: Refer to
Swing Force and Rotating
Torque"
Standard
Rotating torque
: Refer to
Swing Force and Rotating
Torque"
SGIA1382E
Standard
Outer socket
: Refer to
Inner socket
: Refer to
JSGIA0109ZZ
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ST-56
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[WITH HEATED STEERING WHEEL]
POWER STEERING OIL PUMP
POWER STEERING OIL PUMP
Exploded View
INFOID:0000000008459304
REMOVAL
DISASSEMBLY
1.
Power steering oil pump
: Vehicle front
Refer to
for symbols in the figure.
JSGIA0326GB
1.
Pulley
2.
Oil seal
3.
Front bracket
4.
Suction pipe
5.
O-ring
6.
Body assembly
7.
Flow control valve spring
8.
Flow control valve
9.
Flow control valve sub assembly
JSGIA0327GB
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POWER STEERING OIL PUMP
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Removal and Installation
INFOID:0000000008459305
REMOVAL
1.
Drain power steering fluid from reservoir tank.
2.
Remove front road wheel and tires.
3.
Remove splash guard. Refer to
EXT-23, "FENDER PROTECTOR : Exploded View"
4.
Loosen drive belt. Refer to
EM-16, "Removal and Installation"
.
5.
Remove drive belt from oil pump pulley.
6.
Remove copper washers and eye bolt (drain fluid from their pipings).
7.
Remove suction hose (drain fluid from their pipings).
8.
Remove oil pump mounting bolts, and then remove oil pump.
CAUTION:
Never damage drive shaft boot.
INSTALLATION
Note the following, and install in the reverse order of removal.
• When installing suction hoses (1), refer to the figure.
CAUTION:
• Never apply fluid to the hose (1) and tube (2).
• Insert hose securely until it contacts spool (A) of tube.
• Leave clearance (L) when installing clamp (3).
• When installing eye bolt (1) and copper washers (2) to oil pump
(3), refer to the figure.
CAUTION:
• Never reuse copper washer.
• Apply power steering fluid to around copper washer, then
install eye bolt.
• Install eye bolt with eye joint (assembled to high pressure
hose) (B) protrusion (A) facing with pump side cutout, and
then tighten it to the specified torque after tightening by
hand. Refer to
• Securely insert harness connector to pressure sensor.
• Adjust belt tension. Refer to
• Check fluid level, fluid leakage and air bleeding hydraulic system after the installation. Refer to
Disassembly and Assembly
INFOID:0000000008459306
DISASSEMBLY
1.
Remove rear bracket.
10. O-ring
11.
O-ring
12. Front side plate
13. Vane
14. Rotor
15. Cam ring
16. Dowel pin
17. Rear side plate
18. O-ring
19. Teflon ring
20. Rear cover
21. Rear bracket
A.
Oil seal lip
: Apply power steering fluid.
: Apply multi-purpose grease.
Refer to
for symbols not described on the above.
Standard
L
: 3 – 8 mm (0.12 – 0.31 in)
JSGIA0118ZZ
SGIA1379E
Revision: 2012 September
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ST-58
< REMOVAL AND INSTALLATION >
[WITH HEATED STEERING WHEEL]
POWER STEERING OIL PUMP
2.
Remove rear cover mounting bolts, and then remove rear cover from body assembly.
CAUTION:
• Fix oil pump with a vise if necessary.
• Use copper plates when fixing with a vise.
3.
Remove O-ring from body assembly.
4.
Remove rear side plate from cartridge, and then remove Teflon ring and O-ring from rear side plate.
5.
Remove rotor snap ring (1) using a snap ring pliers, and remove
cam ring, rotor and vane from body assembly.
CAUTION:
When removing the snap ring, never damage the pulley
shaft.
6.
Remove front side plate.
7.
Remove cartridge, flow control valve (1), flow control valve
spring (2) and flow control valve sub assembly (3) from body
assembly (4).
CAUTION:
Never drop and damage flow control valve and flow control
valve sub assembly when removing.
8.
Remove oil seal from body assembly.
9.
Remove mounting bolt of suction pipe, and then remove suction
pipe from body assembly.
10. Remove pulley from body assembly.
11. Remove front bracket from body assembly.
12. Remove oil seal from body assembly using a flat-bladed screw-
driver.
CAUTION:
Never damage the body assembly.
ASSEMBLY
1.
Apply recommended grease to oil seal lips (1). Apply recom-
mended fluid to around oil seal. Install oil seal to body assembly
using a drift (commercial service tool).
CAUTION:
• Never reuse the oil seal.
• Fix oil pump with a vise if necessary.
• Use copper plates when fixing with a vise.
2.
Install front bracket to body assembly.
3.
Install pulley to body assembly.
4.
If dowel pin has been removed, insert it into body assembly by
hand. If it cannot be inserted by hand, lightly tap with a hammer.
JSGIA0328ZZ
JSGIA0329ZZ
JSGIA0331ZZ
JSGIA0330ZZ
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POWER STEERING OIL PUMP
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5.
Install flow control valve (1), flow control valve spring (2) and
flow control valve sub assembly (3) as shown in the figure to
body assembly (4).
6.
Install front side plate (3) with dowel pin (2) on flow control valve
A (1) side as shown in the figure aligning with front side plate
cutout (A) to body assembly (4).
7.
Install cam ring as shown in the figure.
8.
Install rotor so that mark faces body assembly, and then install it
to pulley shaft.
9.
Install vane to rotor so that arc of vane faces cam ring side.
10. Install rotor snap ring to slit of pulley shaft using a hammer and a
drift (commercial service tool).
CAUTION:
• Never damage rotor and pulley shaft.
• Oil pump assembly must be replaced if rotor is damaged.
JSGIA0329ZZ
SGIA1189E
SGIA0612E
SGIA0989E
SGIA0613E
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< REMOVAL AND INSTALLATION >
[WITH HEATED STEERING WHEEL]
POWER STEERING OIL PUMP
11. Install rear side plate with dowel pin A on flow control valve A
side as shown in the figure aligning with rear side plate cutout B
to cartridge.
12. Apply recommended fluid to O-ring, and then install O-ring to
body assembly.
13. Apply recommended fluid to O-ring, and then install O-ring to
rear side plate.
14. Apply recommended fluid to Teflon ring, and then install Teflon
ring to rear side plate.
15. Install rear cover to body assembly.
16. Apply recommended fluid to O-ring, and then install O-ring to
body assembly.
17. Install suction pipe to body assembly.
18. Install rear bracket.
Inspection
INFOID:0000000008459307
RELIEF OIL PRESSURE
CAUTION:
Make sure that belt tension is normal before starting the following procedure.
1.
Connect the oil pressure gauge [SST: KV48103500 (J-26357)]
and the oil pressure gauge adapter [SST: KV48102500 (J-
33914)] between oil pump discharge connector and high-pres-
sure hose. Bleed air from the hydraulic circuit while opening
valve fully. Refer to
.
2.
Start the engine. Run the engine until oil temperature reaches
50 to 80
°
C (122 to 176
°
F).
CAUTION:
• Leave the valve of the oil pressure gauge fully open while
starting and running the engine. If engine is started with
the valve closed, the hydraulic pressure in oil pump goes
up to the relief pressure along with unusual increase of oil
temperature.
• Be sure to keep hose clear of belts and other parts when
engine is started.
3.
Fully close the oil pressure gauge valve with engine at idle and
measure the relief oil pressure.
CAUTION:
Never keep valve closed for 10 seconds or longer.
4.
Open the valve slowly after measuring. Repair oil pump if the relief oil pressure is outside the standard.
Refer to
ST-57, "Disassembly and Assembly"
5.
Disconnect the oil pressure gauge from hydraulic circuit.
PGIA0035E
Standard
Relief oil pressure
: Refer to
.
SGIA0915E
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POWER STEERING OIL PUMP
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6.
When installing eye bolt (1) and copper washers (2) to oil pump
(3), refer to the figure.
CAUTION:
• Never reuse copper washer.
• Apply power steering fluid or equivalent to around copper
washer, then install eye bolt.
• Install eye bolt with eye joint (assembled to high pressure
hose) (B) protrusion (A) facing with pump side cutout, and
then tighten it to the specified torque after tightening by
hand. Refer to
• Securely insert harness connector to pressure sensor.
7.
Check fluid level, fluid leakage and air bleeding hydraulic sys-
tem after the installation. Refer to
.
BEFORE DISASSEMBLY
Disassemble oil pump only when the following malfunctions occur.
• If oil leakage is found on oil pump.
• Oil pump pulley is damaged or deformed.
• Performance of oil pump is low.
AFTER DISASSEMBLY
Body Assembly and Rear Cover Inspection
• Check body assembly and rear cover for internal damage. Replace rear cover if it is damaged. Replace oil
pump assembly if body assembly is damaged.
Cartridge Assembly Inspection
• Check cam ring, rotor and vane for damage. Replace cartridge assembly if necessary.
Side Plate Inspection
• Check side plate for damage. Replace side plate if necessary.
Flow Control Valve Inspection
• Check flow control valve and spring for damage. Replace if necessary.
SGIA1379E
Revision: 2012 September
2013 MURANO
ST-62
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[WITH HEATED STEERING WHEEL]
HYDRAULIC LINE
HYDRAULIC LINE
Exploded View
INFOID:0000000008459308
Removal and Installation
INFOID:0000000008459309
CAUTION:
1.
Reservoir tank bracket
2.
Bushing
3.
Reservoir tank
4.
Suction hose
5.
Clamp
6.
Copper washer
7.
High pressure piping
8.
Steering gear assembly
9.
Low pressure hose
10. Eye bolt
A.
To power steering oil pump suction
hose.
B.
To power steering oil pump.
: Vehicle front
: Apply power steering fluid.
Refer to
for symbols not described on the above.
JSGIA0608GB
Revision: 2012 September
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HYDRAULIC LINE
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• Never apply fluid to the hose (1) and tube (2).
• Insert hose securely until it contacts spool (A) of tube.
• Leave clearance (L) when installing clamp (3).
• Install eye bolt with eye joint (assembled to high pressure
hose) (B) protrusion (A) facing with pump side cutout, and
then tighten it to the specified torque after tightening by hand.
Refer to
• Securely insert harness connector to pressure sensor.
• Apply power steering fluid to around copper washer, then
install eye bolt.
• Never reuse copper washer.
Standard
L
: 3 – 8 mm (0.12 – 0.31 in)
JSGIA0118ZZ
SGIA1379E
Revision: 2012 September
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ST-64
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[WITH HEATED STEERING WHEEL]
HEATED STEERING WHEEL SWITCH
HEATED STEERING WHEEL SWITCH
Removal and Installation
INFOID:0000000008459310
REMOVAL
1.
Remove Instrument lower panel LH. Refer to
IP-13, "Removal and Installation"
2.
Remove heated steering wheel switch.
INSTALLATION
Install in the reverse order of removal.
Revision: 2012 September
2013 MURANO
SERVICE DATA AND SPECIFICATIONS (SDS)
ST-65
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000008459311
Steering Wheel Axial End Play and Play
INFOID:0000000008459312
Unit: mm (in)
Steering Wheel Turning Force
INFOID:0000000008459313
Unit: N·m (kg-m, in-lb)
Steering Angle
INFOID:0000000008459314
Unit: Degree minute (Decimal degree)
Steering Column Length
INFOID:0000000008459315
Unit: mm (in)
Steering Column Mounting Dimensions
INFOID:0000000008459316
Unit: mm (in)
Steering Column Operating Range
INFOID:0000000008459317
Steering gear model
PR26AF
Fluid capacity (Approx.)
(US qt, lmp qt)
1.0 (1-1/8, 7/8)
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
7.45 (0.76, 66)
Item
Standard
Wheel size: 18 inch
Wheel size: 20 inch
Inner wheel
Minimum
33
°
30
′
(33.5
°
)
32
°
00
′
(32.0
°
)
Nominal
36
°
30
′
(36.5
°
)
35
°
00
′
(35.0
°
)
Maximum
37
°
30
′
(37.5
°
)
36
°′
(36.0
°
)
Outer wheel
Nominal
31
°
30
′
(31.5
°
)
30
°
30
′
(30.5
°
)
Item
Standard
Steering column length
463 (18.23)
Item
Standard
Mounting dimension
30 (1.18) or less
Item
Standard
Without electric motor
With electric motor
Tilt operating range
15
°
18
°
Telescopic operating range
40 mm (1.57 in)
Rotating torque
0.49 N·m (0.05 kg-m, 4 in-lb)
Revision: 2012 September
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ST-66
< SERVICE DATA AND SPECIFICATIONS (SDS)
[WITH HEATED STEERING WHEEL]
SERVICE DATA AND SPECIFICATIONS (SDS)
Lower Shaft Length
INFOID:0000000008459318
Unit: mm (in)
Rack Sliding Force
INFOID:0000000008459319
Unit: N (kg, lb)
Rack Stroke
INFOID:0000000008459320
Unit: mm (in)
Socket Swing Force and Rotating Torque
INFOID:0000000008459321
SWING FORCE
Unit: N (kg, lb)
ROTATING TORQUE
Unit: N·m (kg-m, in-lb)
Socket Axial End Play
INFOID:0000000008459322
Unit: mm (in)
Inner Socket Length
INFOID:0000000008459323
Unit: mm (in)
Relief Oil Pressure
INFOID:0000000008459324
Unit: kPa (kg/cm
2
, psi)
Item
Standard
Lower shaft length (extended position)
524.6 – 525.6 (20.65 – 20.69)
Item
Standard
2WD
AWD
Rack sliding force
195 – 258 (19.9 – 26.3, 43.8 –
57.9)
227 – 305 (23.2 – 31.1, 51.1 –
68.5)
Item
Standard
Wheel size: 18 inch
Wheel size: 20 inch
Rack stroke neutral position
70.5 (2.776)
68.0 (2.677)
Item
Standard
Outer socket
4.81 – 45.7 (0.5 – 4.6, 1.1 – 10.2)
Inner socket
8.9 – 64 (0.91 – 6.5, 2.01 – 14.3)
Item
Standard
Outer socket
0.3 – 2.9 (0.03 – 0.29, 3 – 25)
Item
Standard
Outer socket
0.5 (0.02) or less
Inner socket
0.2 (0.008) or less
Item
Standard
Inner socket length
120.6 (4.75)
Item
Standard
Relief oil pressure
9,400 – 10,400 (95.9 – 106.1, 1,363 – 1,508)
Revision: 2012 September
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PRECAUTIONS
ST-67
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[WITHOUT HEATED STEERING WHEEL]
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PRECAUTION
PRECAUTIONS
FOR USA AND CANADA
FOR USA AND CANADA : Precaution for Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"
INFOID:0000000008942354
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that 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 “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
FOR MEXICO
FOR MEXICO : Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
INFOID:0000000008942355
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 “SRS AIR BAG” and
“SEAT BELT” of this Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that 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 “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Revision: 2012 September
2013 MURANO
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