Nissan Murano Z51 (2008 year). Manual

INSUFFICIENT COOLING

HAC-107

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

HAC

Using CONSULT-III, perform “HVAC TEST” “ACTIVE TEST” of HVAC to check each output device. Refer
to

HAC-38, "CONSULT-III Function"

NOTE:
Perform the ACTIVE TEST after starting the engine because the compressor is operated.

Refer to the table and check the outlet, inlet, air flow temperature, blower motor control signal, magnet
clutch operation, and air mix ratio. Visually check each operating condition, by listening for noise, touch-
ing air outlets with a hand, etc.

NOTE:

Perform the inspection of each output device after starting the engine because the compressor is operated.

Does it operate normally?

YES

>> GO TO 7.

Test item

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

Mode door position

VENT1

VENT2

B/L1

B/L2

FOOT

D/F

DEF

Intake door position

REC

20%FRE

FRE

Air mix door position
(driver & passenger
side)

FULL COLD

FULL HOT

FULL COLD

FULL HOT

Blower motor duty ratio

35%

61%

81%

35%

Compressor (Magnet
clutch)

OFF

Upper ventilator door

OPEN

SHUT

OPEN

SHUT

JPIIA0509GB

JPIIA0510GB

Revision: 2008 October

2009 Murano

HAC-108

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

INSUFFICIENT COOLING

NO-1

>> Air outlet does not change. Refer to

HAC-61, "Diagnosis Procedure"

NO-2

>> Air inlet does not change. Refer to

HAC-64, "Diagnosis Procedure"

NO-3

>> Discharge air temperature does not change. Refer to

HAC-57, "Diagnosis Procedure"

and

HAC-

59, "Diagnosis Procedure"

NO-4

>> Blower motor does not operate normally. Refer to

HAC-68, "Diagnosis Procedure"

NO-5

>> Magnet clutch does not operate. Refer to

HAC-72, "Diagnosis Procedure"

CHECK AMBIENT TEMPERATURE DISPLAY

Check that there is not much difference between actual ambient temperature and indicated temperature on
information display in combination meter.

Is the inspection result normal?

YES

>> GO TO 8.

>> Perform the diagnosis for the A/C auto amp. connection recognition signal. Refer to

MWI-56,

"Diagnosis Procedure"

CHECK DRIVE BELT

Check tension of the drive belt. Refer to

EM-13, "Checking"

Is the inspection result normal?

YES

>> GO TO 9.

>> Adjust or replace drive belt.

CHECK AIR LEAKAGE FROM DUCT

Check duct and nozzle, etc, of the A/C system for air leakage.
Is the inspection result normal?

YES

>> INSPECTION END

>> Repair or replace parts according to the inspection results.

Revision: 2008 October

2009 Murano

INSUFFICIENT HEATING

HAC-109

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

HAC

INSUFFICIENT HEATING

Description

INFOID:0000000003073099

Symptom

• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)

Inspection procedure

INFOID:0000000003073100

CHECK COOLING SYSTEM

Check engine coolant level and check for leakage. Refer to

CO-8, "Inspection"

Check radiator cap. Refer to

CO-12, "RADIATOR CAP : Inspection"

Check water flow sounds of engine coolant. Refer to

CO-9, "Refilling"

Is the inspection result normal?

YES

>> GO TO 2.

>> Refill the engine coolant and repair or replace the parts according to the inspection results.

CHECK OPERATION

Press temperature switch (driver side) and raise temperature setting to 32

C (90

F) after warming up the

engine.

Check that warm air blows from the outlets.

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 3.

CHECK SETTING OF TEMPERATURE SETTING TRIMMER

Using CONSULT-III, check the setting of “TEMP SET CORRECT” on “WORK SUPPORT” of HVAC. Refer to

HAC-9, "Temperature Setting Trimmer"

Check that the temperature setting trimmer is set to “

−

direction”.

NOTE:
The control temperature can be set by the temperature setting trimmer.

Set temperature control dial to “0”.

Are the malfunction solved?

YES

>> Perform the setting separately if necessary. END.

>> GO TO 4.

CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III

Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.

Check if any DTC No. is displayed in the trouble diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to

HAC-42, "DTC Logic"

HAC-43, "DTC Logic"

Is any DTC No. displayed?

YES

>> Perform the diagnosis that is applicable to the sensor and the door motor. Refer to

HAC-103,

"DTC Index"

>> GO TO 5.

CHECK WITH ACTIVE TEST OF CONSULT-III

Using CONSULT-III, perform “HVAC TEST” in “ACTIVE TEST” of HVAC to check each output device.
Refer to

HAC-38, "CONSULT-III Function"

NOTE:
Perform the ACTIVE TEST after starting the engine because the compressor is operated.

Revision: 2008 October

2009 Murano

HAC-110

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

INSUFFICIENT HEATING

NOTE:

Perform the inspection of each output device after starting the engine because the compressor is operated.

Does it operate normally?

YES

>> GO TO 6.

NO-1

>> Air outlet does not change. Refer to

HAC-61, "Diagnosis Procedure"

NO-2

>> Air inlet does not change. Refer to

HAC-64, "Diagnosis Procedure"

NO-3

>> Discharge air temperature does not change. Refer to

HAC-57, "Diagnosis Procedure"

and

HAC-

59, "Diagnosis Procedure"

NO-4

>> Blower motor does not operate normally. Refer to

HAC-68, "Diagnosis Procedure"

NO-5

>> Magnet clutch does not operate. Refer to

HAC-72, "Diagnosis Procedure"

Test item

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

Mode door position

VENT1

VENT2

B/L1

B/L2

FOOT

D/F

DEF

Intake door position

REC

20%FRE

FRE

Air mix door position
(driver & passenger
side)

FULL COLD

FULL HOT

FULL COLD

FULL HOT

Blower motor duty ratio

35%

61%

81%

35%

Compressor (Magnet
clutch)

OFF

Upper ventilator door

OPEN

SHUT

OPEN

SHUT

JPIIA0509GB

JPIIA0510GB

Revision: 2008 October

2009 Murano

INSUFFICIENT HEATING

HAC-111

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

HAC

CHECK AIR LEAKAGE FROM DUCT

Check duct and nozzle, etc, of the A/C system for air leakage.
Is the inspection result normal?

YES

>> GO TO 7.

>> Repair or replace parts according to the inspection results.

CHECK HEATER HOSE INSTALLATION CONDITION

Check the heater hose installation condition visually (for twists, crushes, etc.).

Is the inspection result normal?

YES

>> GO TO 8.

>> Repair or replace parts according to the inspection results.

CHECK TEMPERATURE OF HEATER HOSE

Check the temperature of inlet hose and outlet hose of heater core.

Check that the inlet side of heater core is hot and the outlet side is slightly lower than/almost equal to the
inlet side.

CAUTION:

Always perform the temperature inspection in a short period of time because the engine coolant
temperature is very hot.

Is the inspection result normal?

YES

>> GO TO 9.

>> Replace the heater core after performing the procedures after the cooling system inspection. GO

TO 1.

REPLACE HEATER CORE

Replace the heater core. Refer to heater core. Refer to

VTL-44, "Exploded View"

Are the malfunction solved?

YES

>> INSPECTION END

>> Perform the procedures again after the cooling system inspection. GO TO 1.

Revision: 2008 October

2009 Murano

HAC-112

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

NOISE

NOISE

Description

INFOID:0000000003073101

Symptom

• Noise
• Noise is heard when the A/C system operates.

Inspection procedure

INFOID:0000000003073102

CHECK OPERATION

Operate the A/C system and check the operation. Refer to

HAC-7, "Description & Inspection"

Check the parts where noise is occurring.

Can the parts where noise is occurring be checked?

YES-1 >> Noise from blower motor: GO TO 2.
YES-2 >> Noise from compressor: GO TO 3.
YES-3 >> Noise from expansion valve: GO TO 4.
YES-4 >> Noise from A/C piping (pipe, flexible hose): GO TO 6.
YES-5 >> Noise from drive belt: GO TO 7.
NO

>> INSPECTION END

CHECK BLOWER MOTOR

Remove blower motor.

Remove foreign materials that are in the blower unit.

Check the noise from blower motor again.

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace blower motor.

CHECK COMPRESSOR

Perform trouble diagnosis for the compressor and check the compressor. Refer to

HA-11, "Symptom Table"

Is the inspection result normal?

YES

>> INSPECTION END

>> Refill the refrigerant or replace the compressor according to the inspection results.

CHECK WITH GAUGE PRESSURE

Perform the diagnosis with the gauge pressure. Refer to

HA-8, "Trouble Diagnosis For Unusual Pressure"

Is the inspection result normal?

YES

>> GO TO 5.

>> Repair or replace parts according to the inspection results.

CHECK EXPANSION VALVE

Correct the refrigerant with recovery/recycling recharging equipment.

Recharge with the proper amount of the collected refrigerant after recycling or new refrigerant.

Check for the noise from expansion valve again.

Are the malfunction solved?

YES

>> INSPECTION END

>> Replace expansion valve.

CHECK A/C PIPING (PIPE, FLEXIBLE HOSE)

Check the A/C piping (pipes, flexible hoses) (for deformation and damage, etc.).

Check the installation condition of clips and brackets, etc, of the A/C piping (pipes, flexible hoses).

Is the inspection result normal?

YES

>> Fix the line with rubber or come vibration absorbing material.

>> Repair or replace parts according to the inspection results.

CHECK DRIVE BELT

Revision: 2008 October

2009 Murano

NOISE

HAC-113

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

HAC

Check tension of the drive belt. Refer to

EM-13, "Checking"

Is the inspection result normal?

YES

>> Check the noise from compressor: GO TO 3.

>> Adjust or replace drive belt according to the inspection results.

Revision: 2008 October

2009 Murano

HAC-114

< SYMPTOM DIAGNOSIS >

[WITHOUT 7 INCH DISPLAY]

MEMORY FUNCTION DOES NOT OPERATE

MEMORY FUNCTION DOES NOT OPERATE

Description

INFOID:0000000003073105

Symptom

• Memory function does not operate normally.
• The setting is not maintained. (It returns to the initial condition.)

Inspection procedure

INFOID:0000000003073106

CHECK OPERATION

Set temperature control switch to 32

C (90

F).

Press the OFF switch.

Turn the ignition switch OFF.

Turn the ignition switch ON.

Press the AUTO switch.

Check that the set temperature is maintained.

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 2.

CHECK POWER SUPPLY AND GROUND CIRCUIT OF A/C AUTO AMP.

Check power supply and ground circuit of the A/C auto amp. Refer to

HAC-75, "A/C AUTO AMP. : Diagnosis

Procedure"

Is the inspection result normal?

YES

>> Replace the A/C auto amp.

>> Repair or replace malfunctioning parts.

Revision: 2008 October

2009 Murano

PRECAUTIONS

HAC-115

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

HAC

PRECAUTION

PRECAUTIONS

FOR USA AND CANADA

FOR USA AND CANADA : Precaution for Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"

INFOID:0000000003751410

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 AIRBAG” and “SEAT BELT” 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 “SRS AIRBAG”.

• 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

When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors while ignition switch is
ON or engine is running, never use air or electric power tools or strike near the sensor(s) with a hammer.
Heavy vibration may activate the sensor(s), deploy the airbag(s), possibly cause serious injury.
When using air or electric power tools or hammers, always turn OFF ignition switch, disconnect the battery,
and wait 3 minutes or more before performing any service.

FOR MEXICO

FOR MEXICO : Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"

INFOID:0000000003751411

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 “SRS AIRBAG”.

• 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

Revision: 2008 October

2009 Murano

HAC-116

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

PRECAUTIONS

When using air or electric power tools or hammers, always turn OFF ignition switch, disconnect the battery,
and wait 3 minutes or more before performing any service.

Precaution Necessary for Steering Wheel Rotation after Battery Disconnect

INFOID:0000000003711299

NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-

tion, then disconnect both battery cables.

• After finishing work, confirm that all control unit connectors are connected properly, then re-connect both

battery cables.

• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.

If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.

This vehicle is equipped with a push-button ignition switch and a steering lock unit.
If the battery is disconnected or discharged, the steering wheel will lock and cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the procedure
below before starting the repair operation.

OPERATION PROCEDURE

Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.

Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)

Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.

Perform the necessary repair operation.

When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON position, then to LOCK position. (The steering
wheel will lock when the push-button ignition switch is turned to LOCK position.)

Perform self-diagnosis check of all control units using CONSULT-III.

Precaution for Procedure without Cowl Top Cover

INFOID:0000000003711301

When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.

Precautions For Xenon Headlamp Service

INFOID:0000000003751418

WARNING:

Comply with the following warnings to prevent any serious accident.
• Disconnect the battery cable (negative terminal) or the power supply fuse before installing, remov-

ing, or touching the xenon headlamp (bulb included). The xenon headlamp contains high-voltage
generated parts.

• Never work with wet hands.
• Check the xenon headlamp ON-OFF status after assembling it to the vehicle. Never turn the xenon

headlamp ON in other conditions. Connect the power supply to the vehicle-side connector.
(Turning it ON outside the lamp case may cause fire or visual impairments.)

• Never touch the bulb glass immediately after turning it OFF. It is extremely hot.

CAUTION:

Comply with the following cautions to prevent any error and malfunction.

PIIB3706J

Revision: 2008 October

2009 Murano

PRECAUTIONS

HAC-117

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

HAC

• Install the xenon bulb securely. (Insufficient bulb socket installation may melt the bulb, the connec-

tor, the housing, etc. by high-voltage leakage or corona discharge.)

• Never perform HID circuit inspection with a tester.
• Never touch the xenon bulb glass with hands. Never put oil and grease on it.
• Dispose of the used xenon bulb after packing it in thick vinyl without breaking it.
• Never wipe out dirt and contamination with organic solvent (thinner, gasoline, etc.).

Working with HFC-134a (R-134a)

INFOID:0000000003073111

CAUTION:

• CFC-12 (R-12) refrigerant and HFC-134a (R-134a) refrigerant are not compatible. Compressor mal-

function is likely to occur if the refrigerants are mixed, refer to “CONTAMINATED REFRIGERANT”
below. To determine the purity of HFC-134a (R-134a) in the vehicle and recovery tank, use Refriger-
ant Recovery/Recycling Recharging equipment and Refrigerant Identifier.

• Use only specified lubricant for the HFC-134a (R-134a) A/C system and HFC-134a (R-134a) compo-

nents. Compressor malfunction is likely to occur if lubricant other than that specified is used.

• The specified HFC-134a (R-134a) lubricant rapidly absorbs moisture from the atmosphere. The fol-

lowing handling precautions must be observed:

- Immediately cap (seal) the component to minimize the entry of moisture from the atmosphere when

removing refrigerant components from a vehicle.

- Never remove the caps (unseal) until just before connecting the components when installing refrig-

erant components to a vehicle. Connect all refrigerant loop components as quickly as possible to
minimize the entry of moisture into system.

- Use only the specified lubricant from a sealed container. Immediately reseal containers of lubricant.

Lubricant becomes moisture saturated and should not be used without proper sealing.

- Never allow lubricant (NISSAN A/C System Oil Type S) to come in to contact with styrene foam parts.

Damage may result.

CONTAMINATED REFRIGERANT

Take the appropriate steps shown below if a refrigerant other than pure HFC-134a (R-134a) is identified
in a vehicle:
• Explain to the customer that environmental regulations prohibit the release of contaminated refrigerant into

the atmosphere.

• Explain that recovery of the contaminated refrigerant could damage service equipment and refrigerant sup-

ply.

• Suggest the customer return the vehicle to the location of previous service where the contamination may

have occurred.

• If repairing, recover the refrigerant using only dedicated equipment and containers. Never reintroduce

contaminated refrigerant into the existing service equipment. Contact a local refrigerant product retailer
for available service if the facility does not have dedicated recovery equipment. This refrigerant must be dis-
posed of in accordance with all federal and local regulations. In addition, replacement of all refrigerant sys-
tem components on the vehicle is recommended.

• The air conditioner warranty is void if the vehicle is within the warranty period. Please contact Nissan Cus-

tomer Affairs for further assistance.

General Refrigerant Precaution

INFOID:0000000003073112

WARNING:

• Never breath A/C refrigerant, lubricant vapor or mist. Exposure may irritate eyes, nose and throat.

Remove HFC-134a (R-134a) from the A/C system, using certified service equipment meeting require-
ments of SAE J-2210 [HFC-134a (R-134a) recycling equipment], or J-2209 [HFC-134a (R-134a) recov-
ery equipment]. Ventilate work area before resuming service if accidental system discharge occurs.
Additional health and safety information may be obtained from refrigerant and lubricant manufactur-
ers.

• Never release refrigerant into the air. Use approved recovery/recycling equipment to capture the

refrigerant each time an air conditioning system is discharged.

• Always wear eye and hand protection (goggles and gloves) when working with any refrigerant or air

conditioning system.

• Never store or heat refrigerant containers above 52

C (126

F).

• Never heat a refrigerant container with an open flame. Place the bottom of the container in a warm

pail of water if container warming is required.

• Never intentionally drop, puncture, or incinerate refrigerant containers.

Revision: 2008 October

2009 Murano

HAC-118

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

PRECAUTIONS

• Keep refrigerant away from open flames. Poisonous gas is produced if refrigerant burns.
• Refrigerant displaces oxygen, therefore be certain to work in well ventilated areas to prevent suffo-

cation.

• Never pressure test or leakage test HFC-134a (R-134a) service equipment and/or vehicle air condi-

tioning systems with compressed air during repair. Some mixtures of air and HFC-134a (R-134a)
have been shown to be combustible at elevated pressures. These mixtures, if ignited, may cause
injury or property damage. Additional health and safety information may be obtained from refriger-
ant manufacturers.

Refrigerant Connection

INFOID:0000000003073113

A new type refrigerant connection has been introduced to all refrigerant lines except the following location.
• Expansion valve to evaporator
• Refrigerant pressure sensor to liquid tank

O-RING AND REFRIGERANT CONNECTION

CAUTION:

The new and former refrigerant connections use different O-ring configurations. Never confuse O-
rings since they are not interchangeable. Refrigerant may leak at the connection if a wrong O-ring is
installed.

O-Ring Part Numbers and Specifications

Former type refrigerant connection

New type refrigerant connection

O-ring size

JPIIA0453ZZ

Revision: 2008 October

2009 Murano

PRECAUTIONS

HAC-119

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

HAC

WARNING:

Check that all refrigerant is discharged into the recycling equipment and the pressure in the system is
less than atmospheric pressure. Then gradually loosen the discharge side hose fitting and remove it.

CAUTION:

Observe the following when replacing or cleaning refrigerant cycle components.
• Store it in the same way at it is when mounted on the car when the compressor is removed. Failure

to do so will cause lubricant to enter the low-pressure chamber.

• Always use a torque wrench and a back-up wrench when connecting tubes.
• Immediately plug all openings to prevent entry of dust and moisture after disconnecting tubes.
• Connect the pipes at the final stage of the operation when installing an air conditioner in the vehicle.

Never remove the seal caps of pipes and other components until just before required for connection.

• Allow components stored in cool areas to warm to working area temperature before removing seal

caps. This prevents condensation from forming inside A/C components.

• Thoroughly remove moisture from the refrigeration system before charging the refrigerant.
• Replace always used O-rings.
• Apply lubricant to circle of the O-rings shown in illustration when connecting tube. Be careful not to

apply lubricant to threaded portion.

• O-ring must be closely attached to the groove portion of tube.
• Be careful not to damage O-ring and tube when replacing the O-ring.
• Connect tube until a click can be heard. Then tighten the nut or bolt by hand. Check that the O-ring is

installed to tube correctly.

Connection type

Piping connection point

Part number

QTY

O-ring size

New

Low-pressure flexible hose to low-pressure pipe

92474 N8210

High-pressure pipe to condenser pipe assembly (Outlet)

92471 N8210

Condenser pipe assembly (Inlet) to high-pressure flexible
hose (One-touch joint)

92472 N8210

Condenser assembly to condenser pipe as-
sembly

Inlet

92472 N8210

Outlet

92471 N8210

Low-pressure pipe to expansion valve

92473 N8210

High-pressure pipe to expansion valve

92471 N8210

Compressor to low-pressure flexible hose

92474 N8210

Compressor to high-pressure flexible hose

92472 N8210

Liquid tank to condenser assembly

Inlet

92471 N8210

Outlet

Former

Refrigerant pressure sensor to liquid tank

J2476 89956

Expansion valve to evaporator pipe assembly

Inlet

92475 71L00

Outlet

92475 72L00

Evaporator to evaporator pipe assembly

Inlet

92475 71L00

Outlet

92475 72L00

Name

: NISSAN A/C System Oil Type S

Revision: 2008 October

2009 Murano

HAC-120

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

PRECAUTIONS

• Perform leakage test and make sure that there is no leakage from connections after connecting line.

Disconnect the line and replace the O-ring when the refrigerant leaking point is found. Then tighten
the connections of seal seat to the specified torque.

Service Equipment

INFOID:0000000003073114

RECOVERY/RECYCLING EQUIPMENT

Be certain to follow the manufacturer instructions for machine operation and machine maintenance. Never
introduce any refrigerant other than that specified into the machine.

ELECTRICAL LEAK DETECTOR

Be certain to follow the manufacturer instructions for tester operation and tester maintenance.

VACUUM PUMP

The lubricant contained inside the vacuum pump is not compatible
with the specified lubricant for HFC-134a (R-134a) A/C systems.
The vent side of the vacuum pump is exposed to atmospheric pres-
sure. So the vacuum pump lubricant may migrate out of the pump
into the service hose. This is possible when the pump is switched
OFF after evacuation (vacuuming) and hose is connected to it.
To prevent this migration, use a manual valve placed near the hose-
to-pump connection, as per the following.
• Vacuum pumps usually have a manual isolator valve as part of the

pump. Close this valve to isolate the service hose from the pump.

• Use a hose equipped with a manual shut-off valve near the pump

end for pumps without an isolator. Close the valve to isolate the
hose from the pump.

• Disconnect the hose from the pump if the hose has an automatic

shut-off valve. As long as the hose is connected, the valve is open
and lubricating oil may migrate.

Some one-way valves open when vacuum is applied and close
under no vacuum condition. Such valves may restrict the ability of
the pump to create a deep vacuum and are not recommended.

MANIFOLD GAUGE SET

RHA861F

RHA270DA

Revision: 2008 October

2009 Murano

PRECAUTIONS

HAC-121

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

HAC

Be certain that the gauge face indicates HFC-134a or R-134a. Be
sure the gauge set has 1/2

″

-16 ACME threaded connections for ser-

vice hoses. Confirm the set has been used only with refrigerant
HFC-134a (R-134a) and specified lubricants.

SERVICE HOSES

Be certain that the service hoses display the markings described
(colored hose with a black stripe). All hoses must equip positive
shut-off devices (either manual or automatic) near the end of the
hoses opposite to the manifold gauge.

SERVICE COUPLERS

Never attempt to connect HFC-134a (R-134a) service couplers to a
CFC-12 (R-12) A/C system. The HFC-134a (R-134a) couplers do
not properly connect to the CFC-12 (R-12) system. However, if an
improper connection is attempted, discharge and contamination may
occur.

REFRIGERANT WEIGHT SCALE

Verify that no refrigerant other than HFC-134a (R-134a) and speci-
fied lubricants have been used with the scale. The hose fitting must
be 1/2

″

-16 ACME if the scale controls refrigerant flow electronically.

CHARGING CYLINDER

Use of a charging cylinder is not recommended. Refrigerant may be vented into the air from the top valve of
the cylinder when filling the cylinder with refrigerant. Also, the accuracy of the cylinder is generally less than
that of an electronic scale or of quality recycle/recharge equipment.

SHA533D

RHA272D

Shut-off valve rotation

A/C service valve

Clockwise

Open

Counterclockwise

RHA273D

RHA274D

Revision: 2008 October

2009 Murano

HAC-122

< PRECAUTION >

[WITHOUT 7 INCH DISPLAY]

COMPRESSOR

COMPRESSOR

General Precautions

INFOID:0000000003073115

CAUTION:

• Plug all openings to prevent moisture and foreign matter from entering.
• Store it in the same way at it is when mounted on the car when the compressor is removed.
• Follow “Maintenance of Lubricant Quantity in Compressor” exactly when replacing or repairing the

compressor. Refer to

HA-25, "Maintenance of Lubricant Quantity"

• Keep friction surfaces between clutch and pulley clean. Wipe it off by using a clean waste cloth

moistened with thinner if the surface is contaminated with lubricant.

• Turn the compressor shaft by hand more than five turns in both directions after compressor service

operation. This equally distributes lubricant inside the compressor. Let the engine idle and operate
the compressor for one hour after the compressor is installed.

• Apply voltage to the new compressor and check for normal operation after replacing the compressor

magnet clutch.

Revision: 2008 October

2009 Murano

Nissan Murano Z51 (2008 year). Manual - part 227