VENTILATION SYSTEM INFINITI


SWITCHES AND THEIR CONTROL FUNCTION
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< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
SWITCHES AND THEIR CONTROL FUNCTION
System Description INFOID:0000000004960918
JPIIA1243GB
JSIIA1372GB
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< SYSTEM DESCRIPTION >
AIR DISTRIBUTION
AIR DISTRIBUTION
System Description INFOID:0000000004960919
JSIIA1208GB
PRECAUTIONS
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< PRECAUTION >
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PRECAUTION
PRECAUTIONS
FOR RUSSIA
FOR RUSSIA : Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER" INFOID:0000000006115304
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:
• 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 the “SRS AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service 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:
• 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.
EXCEPT FOR RUSSIA
EXCEPT FOR RUSSIA : Precaution for Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER" INFOID:0000000004960920
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 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 AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service 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:
• 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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< PRECAUTION >
PRECAUTIONS
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.
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
INFOID:0000000004960921
NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK position,
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.
For vehicle with 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 operation procedure
below before starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
3. Disconnect both battery cables. The steering lock will remain released with both battery cables disconnected
and the steering wheel can be turned.
4. Perform the necessary repair operation.
5. 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.)
6. Perform self-diagnosis check of all control units using CONSULT-III.
Precaution for Procedure without Cowl Top Cover INFOID:0000000004960922
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PIIB3706J
PREPARATION
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PREPARATION
PREPARATION
Commercial Service Tool INFOID:0000000004960923
Tool name Description
Remover tool Remove clips, pawls, metal clips
PIIB7923J
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< PERIODIC MAINTENANCE >
AIR CONDITIONER FILTER
PERIODIC MAINTENANCE
AIR CONDITIONER FILTER
Exploded View INFOID:0000000004960924
Removal and Installation INFOID:0000000004960925
REMOVAL
1. Remove instrument lower panel RH. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove filter cover (1), and then remove air conditioner filter
(2).
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
1. Adapter 2. Intake box (right) 3. Intake door lever 2
4. Intake door motor 5. Intake door link 6. Intake door lever 1
7. Filter cover 8. Air conditioner filter 9. Intake upper case
10. Intake lower case 11. Blower motor assembly 12. Seal
13. Intake box (left) 14. Intake door 1 15. Intake door 2
JSIIA0009ZZ
JSIIA1294ZZ
AIR CONDITIONER FILTER
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< PERIODIC MAINTENANCE >
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• If the filter is deformed/damaged when removing, replace it with a new one. Deformed/damaged filter
may deteriorate the duct collecting performance.
• When installing, handle the filter with extreme care to avoid deforming/damaging.
• Never open the wrap until just before the installation.
Because the high performance filter (for odors, pollen, and other allergens) immediately starts
absorbing odors by opening the wrap to remove them.
Replacement INFOID:0000000004960926
Replace air conditioner filter.
Refer to MA-7, "Periodic Maintenance".
Affix a caution label inside the glove box when replacing filter.
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< REMOVAL AND INSTALLATION >
DUCT AND GRILLE
REMOVAL AND INSTALLATION
DUCT AND GRILLE
Exploded View INFOID:0000000004960927
FRONT
REAR
1. Side defroster grille (front pillar garnish)
(right)
2. Side defroster duct (front pillar garnish)
(right)
3. Side defroster nozzle (right)
4. Defroster nozzle 5. Side defroster nozzle (left) 6. Side defroster duct (front pillar garnish)
(left)
7. Side defroster grille (front pillar garnish)
(left)
8. Ventilator duct (left) 9. Adaptor duct
10. Side ventilator grille (left) 11. Instrument panel assembly 12. Center ventilator grille (left)
13. Cluster lid D 14. Center ventilator grille (right) 15. Side ventilator grille (right)
16. Front defroster grille (right) 17. Ventilator duct (right) 18. Front defroster grille (left)
JSIIA1313ZZ
DUCT AND GRILLE
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CENTER VENTILATOR GRILLE
CENTER VENTILATOR GRILLE : Removal and Installation INFOID:0000000004960928
REMOVAL
1. Remove cluster lid D. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove mounting screw (A), and then remove center ventilator
grilles (1) (left and right).
INSTALLATION
Installation is basically the reverse order of removal.
SIDE VENTILATOR GRILLE
SIDE VENTILATOR GRILLE : Removal and Installation INFOID:0000000004960929
REMOVAL
1. Blower unit 2. Heater & cooling unit assembly 3. Heater pipe cover
4. Heater duct 5. Foot grille (left) 6. Foot duct (left)
7. Floor carpet 8. Rear floor duct 2 (left) 9. Rear floor duct 2 (right)
10. Rear ventilator duct 2 11. Rear ventilator grille 12. Rear ventilator duct 1
13. Rear floor duct 1 14. Foot grille (right) 15. Foot duct (right)
JPIIA1232ZZ
: Pawl
JSIIA1314ZZ
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< REMOVAL AND INSTALLATION >
DUCT AND GRILLE
1. Remove ventilator duct (left and right). Refer to VTL-10, "Exploded View".
2. Remove mounting screws (A), and then remove side ventilator
grille (left) (1).
INSTALLATION
Installation is basically the reverse order of removal.
FRONT DEFROSTER GRILLE
FRONT DEFROSTER GRILLE : Removal and Installation INFOID:0000000004960930
REMOVAL
Remove front defroster grilles (1), using remover tools (A).
INSTALLATION
Installation is basically the reverse order of removal.
SIDE DEFROSTER GRILLE
SIDE DEFROSTER GRILLE : Removal and Installation INFOID:0000000004960931
REMOVAL
Remove side defroster grilles (left and right) (1), using remover tools
(A).
INSTALLATION
Installation is basically the reverse order of removal.
VENTILATOR DUCT
VENTILATOR DUCT : Removal and Installation INFOID:0000000004960932
REMOVAL
1. Remove instrument panel assembly. Refer to IP-14, "A/T MODELS : Exploded View".
JSIIA1315ZZ
JSIIA1317ZZ
JSIIA1318ZZ
DUCT AND GRILLE
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2. Remove mounting screws (A), and then remove ventilator duct (left) (1) and ventilator duct (right) (2).
INSTALLATION
Installation is basically the reverse order of removal.
ADAPTOR DUCT
ADAPTOR DUCT : Removal and Installation INFOID:0000000004960933
REMOVAL
1. Remove instrument panel assembly. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove mounting screw (A), and then remove adaptor duct (1).
INSTALLATION
Installation is basically the reverse order of removal.
DEFROSTER NOZZLE
DEFROSTER NOZZLE : Removal and Installation INFOID:0000000004960934
REMOVAL
1. Remove side defroster nozzles. Refer to VTL-10, "Exploded View".
2. Remove defroster nozzle (1).
JSIIA1319ZZ
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JPIIA0673ZZ
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< REMOVAL AND INSTALLATION >
DUCT AND GRILLE
INSTALLATION
Installation is basically the reverse order of removal.
SIDE DEFROSTER NOZZLE
SIDE DEFROSTER NOZZLE : Removal and Installation INFOID:0000000004960935
REMOVAL
1. Remove instrument panel assembly. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove mounting clip (A) and harness clip (B), and then
remove side defroster nozzle (left) (1).
3. Remove mounting clip (A), and then remove side defroster nozzle
(right) (1).
INSTALLATION
Installation is basically the reverse order of removal.
SIDE DEFROSTER DUCT
SIDE DEFROSTER DUCT : Removal and Installation INFOID:0000000004960936
REMOVAL
1. Remove front pillar garnishes. Refer to INT-19, "Exploded View".
2. Remove mounting screws (A), and then remove side defroster
ducts (left and right) (1).
INSTALLATION
Installation is basically the reverse order of removal.
REAR VENTILATOR GRILLE
JSIIA1321ZZ
JSIIA1322ZZ
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DUCT AND GRILLE
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REAR VENTILATOR GRILLE : Removal and Installation INFOID:0000000004960937
REMOVAL
1. Remove console rear finisher. Refer to IP-37, "A/T MODELS : Exploded View".
2. Remove mounting screws (A), and then remove rear ventilator
grille (1).
INSTALLATION
Installation is basically the reverse order of removal.
REAR VENTILATOR DUCT 1
REAR VENTILATOR DUCT 1 : Removal and Installation INFOID:0000000004960938
REMOVAL
1. Remove center console assembly. Refer to IP-37, "A/T MODELS : Exploded View".
2. Remove mounting screws (A), and then remove rear ventilator
duct 1 (1).
INSTALLATION
Installation is basically the reverse order of removal.
REAR VENTILATOR DUCT 2
REAR VENTILATOR DUCT 2 : Removal and Installation INFOID:0000000004960939
REMOVAL
1. Remove console rear finisher. Refer to IP-37, "A/T MODELS : Exploded View".
2. Remove rear ventilator duct 2 (1).
INSTALLATION
: Pawl
JSIIA1324ZZ
JPIIA0678ZZ
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< REMOVAL AND INSTALLATION >
DUCT AND GRILLE
Installation is basically the reverse order of removal.
FOOT GRILLE
FOOT GRILLE : Removal and Installation INFOID:0000000004960940
REMOVAL
1. Remove foot grille (left) (1).
2. Remove foot grille (right) (1).
INSTALLATION
Installation is basically the reverse order of removal.
FOOT DUCT
FOOT DUCT : Removal and Installation (LHD models) INFOID:0000000004960941
REMOVAL
Driver Side
1. Remove heater & cooling unit assembly. Refer to HA-65, "HEATER & COOLING UNIT ASSEMBLY :
Removal and Installation" (VQ37VHR), HA-131, "HEATER & COOLING UNIT ASSEMBLY : Removal and
Installation" (VK50VE) or HA-193, "HEATER & COOLING UNIT ASSEMBLY : Removal and Installation"
(V9X).
2. Remove mounting screws (A), and then remove heater pipe
cover (1).
3. Remove mounting screws (B), and then remove foot duct (left)
(2).
Passenger Side
1. Set the temperature at 16.0°C.
CAUTION:
: Pawl
JSIIA1326ZZ
: Pawl
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JSIIA1114ZZ
DUCT AND GRILLE
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The angle may be out, when installing the air mix door actuator to the air mix door, unless the
above procedure is performed.
2. Disconnect the battery cable from the negative terminal.
3. Remove heater & cooling unit assembly. Refer to HA-65, "HEATER & COOLING UNIT ASSEMBLY :
Removal and Installation" (VQ37VHR), HA-131, "HEATER & COOLING UNIT ASSEMBLY : Removal and
Installation" (VK50VE) or HA-193, "HEATER & COOLING UNIT ASSEMBLY : Removal and Installation"
(V9X).
4. Remove air mix door motor (passenger side). Refer to HAC-134, "Exploded View".
5. Remove mode door motor and links. Refer to HAC-134, "Exploded View".
6. Remove mounting screws (A), and then remove evaporator
cover (1).
7. Remove mounting screws (B), and then remove foot duct (right)
(2).
INSTALLATION
Installation is basically the reverse order of removal.
FOOT DUCT : Removal and Installation (RHD models) INFOID:0000000004960942
REMOVAL
Driver Side
1. Remove heater & cooling unit assembly. Refer to HA-65, "HEATER & COOLING UNIT ASSEMBLY :
Removal and Installation" (VQ37VHR), HA-131, "HEATER & COOLING UNIT ASSEMBLY : Removal and
Installation" (VK50VE) or HA-193, "HEATER & COOLING UNIT ASSEMBLY : Removal and Installation"
(V9X).
2. Remove mode door motor and links. Refer to HAC-134, "Exploded View".
3. Remove mounting screws (A), and then remove heater pipe
cover (1).
4. Remove mounting screws (B), and then remove foot duct (right)
(2).
Passenger Side
1. Set the temperature at 16.0°C.
CAUTION:
The angle may be out, when installing the air mix door actuator to the air mix door, unless the
above procedure is performed.
2. Remove heater & cooling unit assembly. Refer to HA-65, "HEATER & COOLING UNIT ASSEMBLY :
Removal and Installation" (VQ37VHR), HA-131, "HEATER & COOLING UNIT ASSEMBLY : Removal and
Installation" (VK50VE) or HA-193, "HEATER & COOLING UNIT ASSEMBLY : Removal and Installation"
(V9X).
3. Remove air mix door motor (passenger side). Refer to HAC-134, "Exploded View".
JSIIA1115ZZ
NNIIA0124ZZ
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< REMOVAL AND INSTALLATION >
DUCT AND GRILLE
4. Remove mounting screws (A), and then remove evaporator
cover (1).
5. Remove mounting screws (B), and then remove foot duct (left)
(2).
INSTALLATION
Installation is basically the reverse order of removal.
HEATER DUCT
HEATER DUCT : Removal and Installation INFOID:0000000004960943
REMOVAL
1. Remove instrument lower panel LH. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove mounting screw (A), and then remove heater duct (1).
INSTALLATION
Installation is basically the reverse order of removal.
REAR FLOOR DUCT 1
REAR FLOOR DUCT 1 : Removal and Installation INFOID:0000000004960944
REMOVAL
1. Remove instrument panel assembly. Refer to IP-14, "A/T MODELS : Exploded View".
2. Remove mounting clips (A), and then remove rear floor duct 1
(1).
INSTALLATION
Installation is basically the reverse order of removal.
NNIIA0125ZZ
JSIIA1328ZZ
JPIIA0680ZZ
BLOWER UNIT
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BLOWER UNIT
Exploded View INFOID:0000000004960945
DISASSEMBLY
1. Blower unit 2. Heater & cooling unit assembly 3. Steering member
4. Instrument stay (left) 5. Instrument panel assembly 6. instrument stay (right)
JPIIA1223GB
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< REMOVAL AND INSTALLATION >
BLOWER UNIT
BLOWER UNIT
BLOWER UNIT : Removal and Installation INFOID:0000000004960946
REMOVAL
1. Remove instrument lower panel RH. Refer to IP-14, "A/T MODELS : Exploded View".
2. Disconnect 4WD control unit connector. Refer to DLN-59, "Exploded View".
3. Disconnect ECM (1) connectors.
4. Remove mounting nuts (A), and then remove ECM with bracket
attached.
5. Remove power steering control unit. Refer to STC-24, "Exploded View" (WITHOUT REAR ACTIVE
STEER) or STC-106, "Exploded View" (WITH REAR ACTIVE STTER).
6. Disconnect intake door motor connector and blower motor connector.
1. Adapter 2. Intake box (right) 3. Intake door lever 2
4. Intake door motor 5. Intake door link 6. Intake door lever 1
7. Filter cover 8. In-cabin microfilter 9. Intake upper case
10. Intake lower case 11. Blower motor assembly 12. Seal
13. Intake box (left) 14. Intake door 1 15. Intake door 2
JSIIA0009ZZ
JSIIA1302ZZ
BLOWER UNIT
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7. Remove mounting bolt (A) and screw (B), from blower unit (1).
8. Remove blower unit.
CAUTION:
Move blower unit rightward, and remove locating pin (1
part) and joint. Then remove blower unit downward.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Make sure locating pin (A) and joint (B) are securely inserted.
BLOWER MOTOR
BLOWER MOTOR : Removal and Installation INFOID:0000000004960947
REMOVAL
1. Remove instrument lower cover RH. Refer to IP-14, "A/T MODELS : Exploded View".
2. Disconnect blower motor connector.
3. Remove mounting screws (A), and then remove blower motor
(1).
INSTALLATION
Installation is basically the reverse order of removal.
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