Nissan Juke (2012 year). Service Repair Manual — part 138
COOLER PIPE AND HOSE
HA-33
< REMOVAL AND INSTALLATION >
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5.
Remove mounting bolt (A), and then disconnect low-pressure
flexible hose (1) and high-pressure pipe (2) from expansion
valve. Refer to
HA-45, "EXPANSION VALVE : Removal and
.
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
6.
Remove mounting bolt (A) of low-pressure flexible hose front side (1) and mounting nut (B) of low-pres-
sure flexible hose rear side (2).
7.
Remove ground wire mounting bolt (A), and then move ground
wire (1) to secure work space.
8.
Remove mounting bolt (A), and then disconnect low-pressure
flexible hose.
CAUTION:
Cap or wrap the joint of the A/C piping and compressor with
suitable material such as vinyl tape to avoid the entry of air.
9.
Remove low-pressure flexible hose from the vehicle.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
HIGH-PRESSURE PIPE
: Vehicle front
JMIIA0974ZZ
: Vehicle front
JMIIA0972ZZ
: Vehicle front
JMIIA0977ZZ
: Vehicle front
JMIIA0971ZZ
Revision: 2011 October
2012 JUKE
HA-34
< REMOVAL AND INSTALLATION >
COOLER PIPE AND HOSE
HIGH-PRESSURE PIPE : Removal and Installation
INFOID:0000000007580115
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove low-pressure flexible hose. Refer to
HA-32, "LOW-PRESSURE FLEXIBLE HOSE : Removal and
.
3.
Remove mounting bolt (A), and then disconnect high-pressure
pipe (1).
CAUTION:
Cap or wrap the joint of the A/C piping and condenser with
suitable material such as vinyl tape to avoid the entry of air.
4.
Remove high-pressure pipe (1) fixing clips (B), and then remove
high-pressure pipe from the vehicle.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
: Vehicle front
JMIIA0975ZZ
: Vehicle front
JMIIA0976ZZ
Revision: 2011 October
2012 JUKE
CONDENSER
HA-35
< REMOVAL AND INSTALLATION >
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CONDENSER
Exploded View
INFOID:0000000007580116
CONDENSER
CONDENSER : Removal and Installation
INFOID:0000000007580117
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove bumper fascia. Refer to
EXT-12, "Removal and Installation"
.
3.
Remove air guide LH. Refer to
4.
Disconnect refrigerant pressure sensor harness connector.
1.
Condenser
2.
Condenser lower bracket RH
3.
Condenser lower bracket LH
4.
O-ring
5.
Liquid tank braket
6.
Liquid tank
7.
Braket
8.
O-ring
9.
Refrigerant pressure sensor
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Indicates that the part is connected at points with same symbol in actual vehicle.
JMIIA0946GB
Revision: 2011 October
2012 JUKE
HA-36
< REMOVAL AND INSTALLATION >
CONDENSER
5.
Remove mounting bolt (A), and then disconnect high-pressure
pipe (1).
CAUTION:
Cap or wrap the joint of the A/C piping and condenser with
suitable material such as vinyl tape to avoid the entry of air.
6.
Remove mounting bolt (A), and then disconnect high-pressure
flexible hose.
CAUTION:
Cap or wrap the joint of the A/C piping and condenser with
suitable material such as vinyl tape to avoid the entry of air.
7.
Remove mounting bolts, and then remove condenser from the vehicle.
CAUTION:
Be careful not to damage core surface of condenser.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Perform lubricant adjusting procedure before installing new condenser. Refer to
Adjusting Procedure for Compressor Replacement"
.
• Check for leakages when recharging refrigerant. Refer to
LIQUID TANK
LIQUID TANK : Removal and Installation
INFOID:0000000007580118
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove bumper fascia. Refer to
EXT-12, "Removal and Installation"
.
3.
Remove air guide LH. Refer to
4.
Clean liquid tank and its surrounding area, and then remove dust and rust from liquid tank.
CAUTION:
Be sure to clean carefully.
5.
Diconnect refrigerant pressure sensor harness connector.
6.
Remove mounting bolts, and then remove liquid tank from condenser.
CAUTION:
• Be careful not to damage core surface of condenser and liquid tank.
• Cap or wrap the joint of the A/C piping and liquid tank with suitable material such as vinyl tape to
avoid the entry of air.
INSTALLATION
: Vehicle front
JMIIA0975ZZ
: Vehicle front
JMIIA0949ZZ
Revision: 2011 October
2012 JUKE
CONDENSER
HA-37
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Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings of the A/C piping with new ones. Then apply compressor oil to them when installing.
• Perform lubricant adjusting procedure before installing new liquid tank. Refer to
Adjusting Procedure for Compressor Replacement"
• Check for leakages when recharging refrigerant. Refer to
REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR : Removal and Installation
INFOID:0000000007580119
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove front bumper fascia. Refer to
EXT-12, "Removal and Installation"
.
3.
Clean refrigerant pressure sensor and its surrounding area, and then remove dust and rust from refriger-
ant pressure sensor.
CAUTION:
Be sure to clean carefully.
4.
Remove liquid tank. Refer to
HA-36, "LIQUID TANK : Removal and Installation"
CAUTION:
• Be careful not to damage liquid tank.
• Cap or wrap the joint of the condenser and liquid tank with suitable material such as vinyl tape to
avoid the entry of air.
5.
Fix the liquid tank (1) using a vise (A).
6.
Remove refrigerant pressure sensor (2) using a wrench (B).
CAUTION:
Be careful not to damage liquid tank.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-ring with new one. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
JSIIA0075ZZ
Revision: 2011 October
2012 JUKE
HA-38
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY
Exploded View (Automatic Air Conditioning)
INFOID:0000000007580120
REMOVAL
DISASSEMBLY
1.
A/C unit assembly
2.
Drain hose
3.
Steering member
4.
Instrument stay
: Clip
: N·m (kg-m, ft-lb)
JMIIA0943GB
Revision: 2011 October
2012 JUKE
A/C UNIT ASSEMBLY
HA-39
< REMOVAL AND INSTALLATION >
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1.
Ventilator seal
2.
Defroster seal
3.
Upper attachment case
4.
Sub defroster door
5.
Center ventilator and defroster door
6.
Side ventilator seal LH
7.
Lower attachment case
8.
Side ventilator seal RH
9.
Sub harness
10. Power transistor
11.
Upper intake case
12. Intake door
13. Lower intake case
14.
Blower case LH
15. Blower case RH
16. Blower motor
17.
Intake seal
18. A/C unit case RH
19. In-cabin microfilter
20.
Filter cover
21. Case packing
22. Intake sensor
23.
Evaporator
24. Plate
25. Expansion valve grommet
26.
O-ring
27. Expansion valve
28. Evaporator cover
29.
Heater hose
30. Clamp
31. Heater pipe grommet
32.
Heater pipe support
33. Heater core
34. A/C unit case LH
35.
Aspirator duct
36. Aspirator
37. Foot door
38.
Foot door rod
39. Side ventilator door
40. Air mix door guide
41.
Upper air mix door
42. Lower air mix door
A.
To water outlet
JMIIA0982GB
Revision: 2011 October
2012 JUKE
HA-40
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
Exploded View (Manual Air Conditioning)
INFOID:0000000007580121
REMOVAL
DISASSEMBLY
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
1.
A/C unit assembly
2.
Drain hose
3.
Steering member
4.
Instrument stay
: Clip
: N·m (kg-m, ft-lb)
JMIIA0943GB
Revision: 2011 October
2012 JUKE
A/C UNIT ASSEMBLY
HA-41
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1.
Ventilator seal
2.
Defroster seal
3.
Upper attachment case
4.
Center ventilator door
5.
Defroster door
6.
Side ventilator seal LH
7.
Lower attachment case
8.
Side ventilator seal RH
9.
Sub harness
10. Blower fan resistor
11.
Upper Intake case
12. Intake door
13. Sub intake door
14.
Lower intake case
15. Blower case LH
16. Blower case RH
17.
Blower motor
18. Intake seal
19. A/C unit case RH
20.
In-cabin microfilter
21. Filter cover
22. Case packing
23.
Thermo control amp.
24. Evaporator
25. Plate
26.
Expansion valve grommet
27. O-ring
28. Expansion valve
29.
Evaporator cover
30. Heater hose
31. Clamp
32.
Heater pipe grommet
33. Heater pipe support
34. Heater core
35.
A/C unit case LH
36. Foot door
37. Foot door rod
38.
Side ventilator door
39. Air mix door guide
40. Upper air mix door
41.
Lower air mix door
A.
To water outlet
JMIIA1212GB
Revision: 2011 October
2012 JUKE
HA-42
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY : Removal and Installation
INFOID:0000000007580122
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Drain engine coolant from cooling system. Refer to
3.
Remove cowl top and cowl top extension. Refer to
EXT-20, "Removal and Installation"
.
4.
Remove mounting nut, and then move lower dash insulator
aside.
5.
Remove mounting bolt (A), and then disconnect low-pressure
flexible hose (1) and high-pressure pipe (2) from expansion
valve. Refer to
HA-45, "EXPANSION VALVE : Removal and
.
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
6.
Remove fixing clamps (1), and then disconnect heater hoses (2)
7.
Remove instrument panel assembly. Refer to
IP-12, "Removal and Installation"
.
8.
Remove side ventirator duct LH and RH. Refer to
VTL-10, "SIDE VENTILATOR DUCT : Removal and
.
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
: Nut
: Vehicle front
JMIIA0973ZZ
: Vehicle front
JMIIA0974ZZ
: Vehicle front
JMIIA0986ZZ
Revision: 2011 October
2012 JUKE
A/C UNIT ASSEMBLY
HA-43
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9.
Remove mounting bolts (A) of ground wire LH side and mounting bolt (B) of ground wire RH side.
10. Remove rear heater duct 1 LH and RH. Refer to
VTL-10, "REAR HEATER DUCT 1 : Removal and Instal-
. (for Canada models only)
11. Disconnect drain hose (1) from A/C unit assembly.
12. Remove mounting nuts (A), and then remove instrument stay.
13. Remove fixing screws (A), and then remove junction box (J/B).
JMIIA0989ZZ
: Vehicle front
JMIIA0987ZZ
: Vehicle front
JMIIA0988ZZ
JMIIA0886ZZ
Revision: 2011 October
2012 JUKE
HA-44
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
14. Remove fixing screws (A), and then remove BCM.
15. Remove all of harness connectors and mounting nuts necessary to allow steering column assembly to be
moved. Refer to
ST-9, "Removal and Installation"
16. Move steering column assembly to secure work space.
17. Remove all of harness connectors and clips necessary to allow steering member to be removed. Move
main harness aside and secure work space so that steering member can be easily removed.
18. Remove mounting bolts (A) and (B), and then remove steering member (1) from the vehicle.
CAUTION:
When removing steering member, 2 workers are required to prevent it from dropping.
19. Remove A/C unit assembly from vehicle.
CAUTION:
When removing A/C unit assembly, 2 workers are required to prevent it from dropping.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
NOTE:
Refer to
when filling radiator with engine coolant.
EVAPORATOR
JMIIA0885ZZ
JMIIA0990ZZ
Revision: 2011 October
2012 JUKE
A/C UNIT ASSEMBLY
HA-45
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EVAPORATOR : Removal and Installation
INFOID:0000000007580123
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-42, "A/C UNIT ASSEMBLY : Removal and Installation"
.
2.
Disassemble A/C unit assembly, and then remove evaporator.
3.
Remove intake sensor from evaporator. (Automatic air conditioning)
4.
Remove thermo control amp. from evaporator. (Manual air conditioning)
5.
Remove mounting bolts, and then remove expansion valve.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• When install the intake sensor (Automatic air conditioning) or the thermo control amp. (Manual air
conditioning), set the same position before replacement.
• Never rotate the bracket insertion part when removing and installing the intake sensor (automatic air
conditioning) or the thermo control amp. (manual air conditioning).
• Perform lubricant adjusting procedure after installing new evaporator. Refer to
Adjusting Procedure for Components Replacement Except Compressor"
HEATER CORE
HEATER CORE : Removal and Installation
INFOID:0000000007580124
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-42, "A/C UNIT ASSEMBLY : Removal and Installation"
.
2.
Remove heater pipe grommet and heater pipe support from A/C unit assembly.
3.
Remove foot duct LH. Refer to
VTL-12, "FOOT DUCT : Removal and Installation"
.
4.
Slide heater core to leftward, and then remove heater core from A/C unit assembly.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
NOTE:
Refer to
when filling radiator with engine coolant.
EXPANSION VALVE
EXPANSION VALVE : Removal and Installation
INFOID:0000000007580125
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
20, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
2.
Remove cowl top and cowl top extension. Refer to
EXT-20, "Removal and Installation"
.
3.
Remove mounting nut, and then move lower dash insulator
aside.
: Nut
: Vehicle front
JMIIA0973ZZ
Revision: 2011 October
2012 JUKE
HA-46
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
4.
Remove mounting bolt (A), and then disconnect low-pressure
flexible hose (1) and high-pressure pipe (2) from expansion
valve.
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
5.
Remove mounting bolts (A), and then remove expansion valve.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
: Vehicle front
JMIIA0974ZZ
JMIIA0883ZZ
Revision: 2011 October
2012 JUKE
SERVICE DATA AND SPECIFICATIONS (SDS)
HA-47
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
INFOID:0000000007580126
Lubricant
INFOID:0000000007580127
Refrigerant
INFOID:0000000007580128
Engine Idling Speed
INFOID:0000000007580129
Belt Tension
INFOID:0000000007580130
.
Model
CALSONIC KANSEI make
CR-08b
Type
Vane rotary
Displacement
cm
3
(cu in)/rev
Maximum
83 (5.1)
Direction of rotation
Clockwise (viewed from clutch)
Drive belt
Poly V
Disc to pulley clearance
mm (in)
Standard
0.3 – 0.6 (0.012 – 0.024)
Name
A/C System Oil Type R (DH-PR)
Capacity
m
(US fl oz, Imp fl oz)
Total in system
120 (4.1, 4.2)
Compressor (service part) charging
amount
120 (4.1, 4.2)
Type
HFC-134a (R-134a)
Capacity
kg (lb)
0.40 (0.9)
Revision: 2011 October
2012 JUKE
HAC-1
VENTILATION, HEATER & AIR CONDITIONER
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HAC
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CONTENTS
HEATER & AIR CONDITIONING CONTROL SYSTEM
AUTOMATIC AIR CONDITIONING
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
A/C UNIT ASSEMBLY . . . . . . . . . . . .....
A/C UNIT ASSEMBLY : Aspirator . . . . . . .....
A/C UNIT ASSEMBLY : Intake Sensor . . . . .....
A/C UNIT ASSEMBLY : Air Mix Door Motor . . .....
A/C UNIT ASSEMBLY : Mode Door Motor . . . ...
A/C UNIT ASSEMBLY : Intake Door Motor . . . ...
A/C UNIT ASSEMBLY : Blower Motor . . . . . ..
A/C UNIT ASSEMBLY : Power Transistor . . . ....
Multi Display Unit . . . . . . . . . . . . . ..
A/C Auto Amp. . . . . . . . . . . . . . . ..
BCM . . . . . . . . . . . . . . . . . . ..
ECM . . . . . . . . . . . . . . . . . . ..
IPDM E/R . . . . . . . . . . . . . . . . ..
Ambient Sensor . . . . . . . . . . . . . .....
In-vehicle Sensor . . . . . . . . . . . . . ..
Sunload Sensor . . . . . . . . . . . . . .....
Refrigerant Pressure Sensor . . . . . . . . .....
Magnet Clutch . . . . . . . . . . . . . . .
SYSTEM . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Temperature Control . . . . . . . . . . . ...
Air Outlet Control . . . . . . . . . . . . . .
Air Flow Control . . . . . . . . . . . . . ...
Air Inlet Control . . . . . . . . . . . . . ...
Compressor Control . . . . . . . . . . . .
Door Control . . . . . . . . . . . . . . .
ECO Mode Control . . . . . . . . . . . . ..
Fail-safe . . . . . . . . . . . . . . . . ...
OPERATION . . . . . . . . . . . . . .
Switch Name and Function . . . . . . . . . ..
DIAGNOSIS SYSTEM (A/C AUTO AMP.) . .
Description . . . . . . . . . . . . . . . ...
CONSULT Function . . . . . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) . . . . . . ...
COMMON ITEM . . . . . . . . . . . . . . .
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . .
AIR CONDITIONER . . . . . . . . . . . . ...
AIR CONDITIONER : CONSULT Function (BCM -
AIR CONDITIONER) (Automatic A/C) . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
A/C AUTO AMP. . . . . . . . . . . . ...
Reference Value . . . . . . . . . . . . . ..
Fail-safe . . . . . . . . . . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ...
MULTI DISPLAY UNIT, BCM, ECM, IPDM E/R
...
List of ECU Reference . . . . . . . . . . . .
WIRING DIAGRAM . . . . . . . . . ..
AUTOMATIC AIR CONDITIONING SYSTEM ...
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . ...
Work Flow . . . . . . . . . . . . . . . .
OPERATION INSPECTION . . . . . . . ..
Revision: 2011 October
2012 JUKE
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