Nissan Murano Z51. Instruction — part 865
NOISE
HAC-115
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
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NOISE
Description
INFOID:0000000005514657
Symptom
• Noise
• Noise is heard when the A/C system operates.
Inspection procedure
INFOID:0000000005514658
1.
CHECK OPERATION
1.
Operate the A/C system and check the operation. Refer to
HAC-7, "Description & Inspection"
2.
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
2.
CHECK BLOWER MOTOR
1.
Remove blower motor.
2.
Remove foreign materials that are in the blower unit.
3.
Check the noise from blower motor again.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower motor.
3.
CHECK COMPRESSOR
Perform trouble diagnosis for the compressor and check the compressor. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refill the refrigerant or replace the compressor according to the inspection results.
4.
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.
NO
>> Repair or replace parts according to the inspection results.
5.
CHECK EXPANSION VALVE
1.
Correct the refrigerant with recovery/recycling recharging equipment.
2.
Recharge with the proper amount of the collected refrigerant after recycling or new refrigerant.
3.
Check for the noise from expansion valve again.
Are the malfunction solved?
YES
>> INSPECTION END
NO
>> Replace expansion valve.
6.
CHECK A/C PIPING (PIPE, FLEXIBLE HOSE)
1.
Check the A/C piping (pipes, flexible hoses) (for deformation and damage, etc.).
2.
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.
NO
>> Repair or replace parts according to the inspection results.
7.
CHECK DRIVE BELT
HAC-116
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
NOISE
Check tension of the drive belt. Refer to
Is the inspection result normal?
YES
>> Check the noise from compressor: GO TO 3.
NO
>> Adjust or replace drive belt according to the inspection results.
MEMORY FUNCTION DOES NOT OPERATE
HAC-117
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
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MEMORY FUNCTION DOES NOT OPERATE
Description
INFOID:0000000005514659
Symptom
• Memory function does not operate normally.
• The setting is not maintained. (It returns to the initial condition.)
Inspection procedure
INFOID:0000000005514660
1.
CHECK OPERATION
1.
Set temperature control switch to 32
°
C (90
°
F).
2.
Press the ON/OFF switch.
3.
Turn the ignition switch OFF.
4.
Turn the ignition switch ON.
5.
Press the AUTO switch.
6.
Check that the set temperature is maintained.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
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-76, "A/C AUTO AMP. : Diagnosis
.
Is the inspection result normal?
YES
>> Replace the A/C auto amp.
NO
>> Repair or replace malfunctioning parts.
HAC-118
< PRECAUTION >
[WITHOUT 7 INCH DISPLAY]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
FOR USA AND CANADA
FOR USA AND CANADA : Precaution for Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"
INFOID:0000000005514661
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
Instruction.
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 AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT 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:0000000005716646
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 Instruction.
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 AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s)
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