Nissan Juke (2014 year). Service Repair Manual — part 153
INSUFFICIENT COOLING
HAC-85
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
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INSUFFICIENT COOLING
Description
INFOID:0000000009754381
Symptom
• Insufficient cooling
• No cool air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000009754382
NOTE:
Perform self-diagnoses with CONSULT before performing symptom diagnosis. If any DTC is detected, per-
form the corresponding diagnosis.
1.
CHECK MAGNET CLUTCH OPERATION
1.
Turn ignition switch ON.
2.
Operate fan control dial.
3.
Press A/C switch.
4.
Check that A/C indicator turns ON. Check visually and by sound that compressor operates.
5.
Press A/C switch again.
6.
Check that A/C indicator turns OFF. Check that compressor stops.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform diagnosis of “COMPRESSOR DOES NOT OPERATE” in “SYMPTOM DIAGNOSIS”.
2.
CHECK DRIVE BELT
Check tension of drive belt. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Adjust or replace drive belt depending on the inspection results.
3.
CHECK REFRIGERANT CYCLE PRESSURE
Connect recovery/recycling recharging equipment to the vehicle and perform pressure inspection with gauge.
Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace parts depending on the inspection results.
4.
CHECK AIR LEAKAGE FROM EACH DUCT
Check duct and nozzle, etc. of the air conditioning system for leakage.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace parts depending on the inspection results.
5.
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 6.
NO
>> Perform diagnosis for the A/C auto amp. connection recognition signal circuit. Refer to
6.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
1.
Check setting value of temperature setting trimmer. Refer to
HAC-47, "Temperature Setting Trimmer"
.
2.
Check that temperature setting trimmer is set to “+ direction”.
NOTE:
The control temperature can be set with the setting of the temperature setting trimmer.
Revision: 2013 October
2014 JUKE
HAC-86
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
INSUFFICIENT COOLING
3.
Set difference between the set temperature and control temperature to “0”.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace A/C auto amp. Refer to
HAC-90, "Removal and Installation"
Revision: 2013 October
2014 JUKE
INSUFFICIENT HEATING
HAC-87
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
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INSUFFICIENT HEATING
Description
INFOID:0000000009754383
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Diagnosis Procedure
INFOID:0000000009754384
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-46, "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-47, "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-90, "Removal and Installation"
Revision: 2013 October
2014 JUKE
HAC-88
< SYMPTOM DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
COMPRESSOR DOES NOT OPERATE
COMPRESSOR DOES NOT OPERATE
Description
INFOID:0000000009754385
SYMPTOM
Compressor does not operate.
Diagnosis Procedure
INFOID:0000000009754386
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-82, "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-539, "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-74, "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-76, "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-34, "Removal and Installation"
NO
>> Replace BCM. Refer to
BCS-90, "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: 2013 October
2014 JUKE
CONTROLLER
HAC-89
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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REMOVAL AND INSTALLATION
CONTROLLER
Removal and Installation
INFOID:0000000009754387
REMOVAL
Remove multi display unit. Refer to
IP-13, "Removal and Installation"
.
INSTALLATION
Install in the reverse order of removal.
Revision: 2013 October
2014 JUKE
HAC-90
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
A/C AUTO AMP.
A/C AUTO AMP.
Removal and Installation
INFOID:0000000009754388
REMOVAL
1.
Remove audio unit. Refer to the following.
• Refer to
AV-68, "Removal and Installation"
. (Without navigation)
• Refer to
AV-139, "Removal and Installation"
. (With navigation)
2.
Remove inside key antenna (instrument center). Refer to
DLK-173, "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: 2013 October
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AMBIENT SENSOR
HAC-91
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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AMBIENT SENSOR
Removal and Installation
INFOID:0000000009754389
REMOVAL
1.
Remove bumper fascia assembly. Refer to
EXT-15, "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: 2013 October
2014 JUKE
HAC-92
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
Removal and Installation
INFOID:0000000009754390
REMOVAL
1.
Remove instrument lower panel LH. Refer to
IP-13, "Removal and Installation"
.
2.
Remove fixing screw, and then remove in-vehicle sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2013 October
2014 JUKE
SUNLOAD SENSOR
HAC-93
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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SUNLOAD SENSOR
Removal and Installation
INFOID:0000000009754391
REMOVAL
1.
Remove switch panel. Refer to
IP-13, "Removal and Installation"
2.
Disconnect sunload sensor connector, and then remove sunload sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2013 October
2014 JUKE
HAC-94
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
INTAKE SENSOR
INTAKE SENSOR
Exploded View
INFOID:0000000009754392
HA-39, "Exploded View (Automatic Air Conditioning)"
.
Removal and Installation
INFOID:0000000009754393
REMOVAL
1.
Remove evaporator assembly. Refer to
HA-46, "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: 2013 October
2014 JUKE
REFRIGERANT PRESSURE SENSOR
HAC-95
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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REFRIGERANT PRESSURE SENSOR
Exploded View
INFOID:0000000009754394
.
Removal and Installation
INFOID:0000000009754395
REMOVAL
HA-38, "REFRIGERANT PRESSURE SENSOR : Removal and Installation"
.
INSTALLATION
Install in the reverse order of removal.
Revision: 2013 October
2014 JUKE
HAC-96
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
POWER TRANSISTOR
POWER TRANSISTOR
Exploded View
INFOID:0000000009754396
• *1: Manual air conditioning
• *2: Automatic air conditioning
Removal and Installation
INFOID:0000000009754397
REMOVAL
1.
Remove instrument panel assembly. Refer to
IP-13, "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: 2013 October
2014 JUKE
DOOR MOTOR
HAC-97
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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DOOR MOTOR
Exploded View
INFOID:0000000009754398
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: 2013 October
2014 JUKE
HAC-98
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
DOOR MOTOR
INTAKE DOOR MOTOR
INTAKE DOOR MOTOR : Removal and Installation
INFOID:0000000009754399
REMOVAL
1.
Remove instrument lower panel LH. Refer to
IP-13, "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:0000000009754400
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: 2013 October
2014 JUKE
DOOR MOTOR
HAC-99
< REMOVAL AND INSTALLATION >
[AUTOMATIC AIR CONDITIONING]
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1.
Remove glove box assembly Refer to
IP-13, "Removal and Installation"
.
2.
Remove foot duct RH. Refer to
VTL-13, "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:0000000009754401
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-13, "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: 2013 October
2014 JUKE
HAC-100
< PRECAUTION >
[MANUAL AIR CONDITIONING]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009754402
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.
Precautions for Removing of Battery Terminal
INFOID:0000000010286676
• When removing the 12V battery terminal, turn OFF the ignition
switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption may
occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be
detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
SEF289H
Revision: 2013 October
2014 JUKE
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