Nissan Juke (2012 year). Service Repair Manual — part 144
HAC-82
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
INSUFFICIENT HEATING
INSUFFICIENT HEATING
Description
INFOID:0000000007577637
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000007577638
NOTE:
Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-
form the corresponding diagnosis.
1.
CHECK COOLING SYSTEM
1.
Check engine coolant level and check for leakage. Refer to
2.
Check radiator cap. Refer to
CO-12, "RADIATOR CAP : Inspection"
3.
Check water flow sounds of the engine coolant. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refill engine coolant and repair or replace the parts depending on the inspection results.
2.
CHECK HEATER HOSE
Check installation of heater hose by visually or touching.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace parts depending on the inspection results.
3.
CHECK HEATER CORE
1.
Check temperature of inlet hose and outlet hose of heater core.
2.
Check that 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 4.
NO
>> Replace heater core. Refer to
HA-45, "HEATER CORE : Removal and Installation"
.
4.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the air conditioning system for air leakage.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace parts depending on the inspection results.
5.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
1.
Check setting value of temperature setting trimmer. Refer to
HAC-42, "Temperature Setting Trimmer"
.
2.
Check that temperature setting trimmer is set to “
−
direction”.
NOTE:
The control temperature can be set by the temperature setting trimmer.
3.
Set difference between the set temperature and control temperature to “0”.
Are the symptoms solved?
YES
>> INSPECTION END
NO
>> Replace A/C auto amp. Refer to
HAC-85, "Removal and Installation"
Revision: 2011 October
2012 JUKE
COMPRESSOR DOES NOT OPERATE
HAC-83
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
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COMPRESSOR DOES NOT OPERATE
Description
INFOID:0000000007577639
SYMPTOM
Compressor does not operate.
Diagnosis Procedure
INFOID:0000000007577640
NOTE:
• Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-
form the corresponding diagnosis.
• Check that refrigerant is enclosed in cooler cycle normally. If refrigerant amount is shortage from proper
amount, perform the inspection of refrigerant leakage.
1.
CHECK MAGNET CLUTCH OPERATION
Check magnet clutch. Refer to
HAC-77, "Component Function Check"
.
Does it operate normally?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK REFRIGERANT PRESSURE SENSOR
Check refrigerant pressure sensor. Refer to
EC-512, "Component Function Check"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts.
3.
CHECK A/C ON SIGNAL
Check A/C ON signal. Refer to
HAC-69, "Component Function Check"
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CHECK BLOWER FAN ON SIGNAL
Check blower fan ON signal. Refer to
HAC-71, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning parts
5.
CHECK BCM OUTPUT SIGNAL
With CONSULT
1.
Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
2.
Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-31, "Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
Monitor item
Condition
Status
AIR COND SIG
A/C switch
OFF (A/C indicator: OFF)
Off
ON (A/C indicator: ON)
On
HEATER FAN SW
Blower motor
OFF
Off
ON
On
Revision: 2011 October
2012 JUKE
HAC-84
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
CONTROLLER
REMOVAL AND INSTALLATION
CONTROLLER
Removal and Installation
INFOID:0000000007577641
REMOVAL
Remove multi display unit. Refer to
IP-12, "Removal and Installation"
.
INSTALLATION
Install in the reverse order of removal.
Revision: 2011 October
2012 JUKE
A/C AUTO AMP.
HAC-85
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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A/C AUTO AMP.
Removal and Installation
INFOID:0000000007577642
REMOVAL
1.
Remove audio unit. Refer to the following.
• Refer to
AV-59, "Removal and Installation"
. (Without navigation)
• Refer to
AV-120, "Removal and Installation"
. (With navigation)
2.
Remove inside key antenna (instrument center). Refer to
DLK-162, "INSTRUMENT CENTER : Removal
3.
Remove fixing screws (A), and then remove A/C auto amp..
INSTALLATION
Install in the reverse order of removal.
JMIIA0894ZZ
Revision: 2011 October
2012 JUKE
HAC-86
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
AMBIENT SENSOR
AMBIENT SENSOR
Removal and Installation
INFOID:0000000007577643
REMOVAL
1.
Remove bumper fascia assembly. Refer to
EXT-12, "Removal and Installation"
2.
Disengage fixing pawl, and then remove ambient sensor (1).
3.
Disconnect ambient sensor connector (2), and then remove
ambient sensor.
INSTALLATION
Install in the reverse order of removal.
: Pawl
JMIIA0895ZZ
Revision: 2011 October
2012 JUKE
IN-VEHICLE SENSOR
HAC-87
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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IN-VEHICLE SENSOR
Removal and Installation
INFOID:0000000007577644
REMOVAL
1.
Remove instrument lower panel LH. Refer to
IP-12, "Removal and Installation"
2.
Remove fixing screw, and then remove in-vehicle sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2011 October
2012 JUKE
HAC-88
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
SUNLOAD SENSOR
SUNLOAD SENSOR
Removal and Installation
INFOID:0000000007577645
REMOVAL
1.
Remove switch panel. Refer to
IP-12, "Removal and Installation"
.
2.
Disconnect sunload sensor connector, and then remove sunload sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2011 October
2012 JUKE
INTAKE SENSOR
HAC-89
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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INTAKE SENSOR
Exploded View
INFOID:0000000007577646
HA-38, "Exploded View (Automatic Air Conditioning)"
.
Removal and Installation
INFOID:0000000007577647
REMOVAL
1.
Remove evaporator assembly. Refer to
HA-45, "EVAPORATOR : Removal and Installation"
2.
Remove intake sensor from evaporator.
INSTALLATION
Note the following items, and then install in the order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply the compressor oil to them when installing.
• Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor
can be located in the same position.
• Never rotate the bracket insertion part when removing and installing the intake sensor.
• Check for leakages when recharging refrigerant. Refer to
Revision: 2011 October
2012 JUKE
HAC-90
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR
Exploded View
INFOID:0000000007577648
.
Removal and Installation
INFOID:0000000007577649
REMOVAL
HA-37, "REFRIGERANT PRESSURE SENSOR : Removal and Installation"
INSTALLATION
Install in the reverse order of removal.
Revision: 2011 October
2012 JUKE
POWER TRANSISTOR
HAC-91
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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POWER TRANSISTOR
Exploded View
INFOID:0000000007577650
• *1: Manual air conditioning
• *2: Automatic air conditioning
Removal and Installation
INFOID:0000000007577651
REMOVAL
1.
Remove instrument panel assembly. Refer to
IP-12, "Removal and Installation"
.
2.
Disconnect power transistor connector.
3.
Slide power transistor (1) to the left while pressing lever (A), and
then remove power transistor.
INSTALLATION
Install in the reverse order of removal.
1.
A/C unit assembly
2.
Blower fan resistor*
1
3.
Sub harness*
1
4.
Power transistor*
2
5.
Sub harness*
2
6.
Blower motor
JPIIA1549ZZ
JPIIA1636ZZ
Revision: 2011 October
2012 JUKE
HAC-92
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
DOOR MOTOR
DOOR MOTOR
Exploded View
INFOID:0000000007577652
LEFT SIDE
RIGHT SIDE
1.
A/C unit assembly
2.
Intake door lever
3.
Intake door motor
4.
Air mix door motor
5.
Upper air mix door rod
6.
Upper air mix door lever
7.
Lower air mix door lever
8.
Lower air mix door rod
JPIIA1557ZZ
Revision: 2011 October
2012 JUKE
DOOR MOTOR
HAC-93
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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INTAKE DOOR MOTOR
INTAKE DOOR MOTOR : Removal and Installation
INFOID:0000000007577653
REMOVAL
1.
Remove instrument lower panel LH. Refer to
IP-12, "Removal and Installation"
2.
Remove fixing screws (A), and then remove intake door motor
(1).
3.
Disconnect intake door motor connector (2).
INSTALLATION
Install in the reverse order of removal.
MODE DOOR MOTOR
MODE DOOR MOTOR : Removal and Installation
INFOID:0000000007577654
REMOVAL
1.
A/C unit assembly
2.
Main link
3.
Sub defroster door link
4.
Sub defroster door rod
5.
Mode link
6.
Plate
7.
Mode link rod
8.
Sub harness
9.
Mode door motor
10. Sub defroster door lever
11.
Center ventilator and defroster door link
12. Plate
13. Center ventilator and defroster door rod 14. Center ventilator and defroster door lever
JPIIA1558ZZ
JMIIA0897ZZ
Revision: 2011 October
2012 JUKE
HAC-94
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
DOOR MOTOR
1.
Remove glove box assembly Refer to
IP-12, "Removal and Installation"
.
2.
Remove foot duct RH. Refer to
VTL-12, "FOOT DUCT : Removal and Installation"
3.
Disconnect mode link rod from mode door motor.
4.
Remove fixing screws (A), and then remove mode door motor
(1).
5.
Disconnect mode door motor connector (2).
INSTALLATION
Install in the reverse order of removal.
AIR MIX DOOR MOTOR
AIR MIX DOOR MOTOR : Removal and Installation
INFOID:0000000007577655
REMOVAL
1.
Set the temperature at full cold.
CAUTION:
Always perform the above procedure when removing air mix door motor. Otherwise, air mix door
may interfere in A/C unit assembly may be damaged.
2.
Remove instrument lower panel LH. Refer to
IP-12, "Removal and Installation"
.
3.
Remove fixing screws (A), and then remove air mix door motor
(1).
4.
Disconnect air mix door motor connector (2).
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
After installing door motor, perform door motor starting position. Refer to
.
JMIIA0896ZZ
JMIIA0898ZZ
Revision: 2011 October
2012 JUKE
PRECAUTIONS
HAC-95
< PRECAUTION >
[MANUAL AIR CONDITIONING]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000007577656
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.
Revision: 2011 October
2012 JUKE
HAC-96
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Part Location
INFOID:0000000007577657
Component Description
INFOID:0000000007577658
1.
SYSTEM : Component Parts Loca-
tion"
2.
Magnet clutch
3.
Refrigerant pressure sensor
4.
TROL SYSTEM :
Component Parts Location"
.
5.
IPDM E/R
Refer to
6.
A/C control
7.
Thermo control amp.
8.
Blower fan resistor
9.
Blower motor
A.
Left side of A/C unit assembly
B.
Back side of A/C unit assembly
C.
Right side of A/C unit assembly
JMIIA1052ZZ
Component
Description
A/C unit assembly
Thermo control amp.
Blower motor
Blower fan resistor
A/C control
BCM
ECM
Revision: 2011 October
2012 JUKE
COMPONENT PARTS
HAC-97
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY : Thermo Control Amp.
INFOID:0000000007577659
• Thermo control amp. is composed of thermistor and amplifier. Thermistor is installed on evaporator, and
amplifier is attached to foot duct.
• When the thermistor detecting temperature of the evaporator fin is extremely low, thermo control amp. sends
the thermo control amp. OFF signal to BCM, and stops the compressor.
A/C UNIT ASSEMBLY : Blower Motor
INFOID:0000000007577660
• The blower motor utilizes a brush-less motor with a rotating mag-
net.
• Quietness is improved over previous motors where the brush was
the point of contact and the coil rotated.
A/C UNIT ASSEMBLY : Blower Fan Resistor
INFOID:0000000007577661
• Compact and lightweight resistor is adopted with outstanding venti-
lation.
• Temperature fuse is installed to protects the blower motor circuit.
A/C Control
INFOID:0000000007577662
Controls the air conditioning function.
IPDM E/R
Refrigerant pressure sensor
Magnet clutch
Component
Description
JPIIA1575ZZ
ZHA152H
ZJIA0545J
Revision: 2011 October
2012 JUKE
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