Juke F15 (2012 year). Service Repair Manual — part 234

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.

The vehicle may be equipped with a passenger air bag deactivation switch. Because no rear seat exists where
a rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a
rear-facing child restraint can be used in the front passenger seat. The switch is located in the center of the
instrument panel, near the ashtray. When the switch is turned to the ON position, the passenger air bag is
enabled and could inflate for certain types of collision. When the switch is turned to the OFF position, the pas-
senger air bag is disabled and will not inflate. A passenger air bag OFF indicator on the instrument panel lights
up when the passenger air bag is switched OFF. The driver air bag always remains enabled and is not affected
by the passenger air bag deactivation switch.

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 har-
ness connectors.

• The vehicle may be equipped with a passenger air bag deactivation switch which can be operated by

the customer. When the passenger air bag is switched OFF, the passenger air bag is disabled and
will not inflate. When the passenger air bag is switched ON, the passenger air bag is enabled and
could inflate for certain types of collision. After SRS maintenance or repair, make sure the passenger
air bag deactivation switch is in the same position (ON or OFF) as when the vehicle arrived for ser-
vice.

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.

HAC-12

< SYSTEM DESCRIPTION >

[TYPE 1]

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000006545783

JMIIA1048ZZ

COMPONENT PARTS

HAC-13

< SYSTEM DESCRIPTION >

[TYPE 1]

HAC

Component Description

INFOID:0000000006545784

A/C UNIT ASSEMBLY

BCM
• With Intelligent Key: Refer to

BCS-

6, "BODY CONTROL SYSTEM :
Component Parts Location"

• Without Intelligent Key: Refer to

BCS-96, "BODY CONTROL SYS-
TEM : Component Parts Loca-
tion"

Magnet clutch

Refrigerant pressure sensor

Ambient sensor

ECM
Refer to

EC-25, "ENGINE CON-

TROL SYSTEM :
Component Parts Location"

IPDM E/R
• With Intelligent Key: Refer to

PCS-

5, "Component Parts Location"

• Without Intelligent Key: Refer to

PCS-37, "Component Parts Loca-
tion"

Multi display unit

Intake door motor

Air mix door motor

10. Intake sensor

11.

In-vehicle sensor

12. Power transistor

13. Aspirator

14. A/C auto amp.

15. Blower motor

16. Mode door motor

17. Sunload sensor

Left side of A/C unit assembly

Instrument lower panel LH is re-
moved

Back side of A/C unit assembly

Multi display unit is removed

Right side of A/C unit assembly

Right side of switch panel

Component

Description

A/C unit assembly

Aspirator

Intake sensor

Air mix door motor

Mode door motor

Intake door motor

Blower motor

Power transistor

Multi display unit

A/C auto amp.

BCM

ECM

IPDM E/R

Ambient sensor

In-vehicle sensor

Sunload sensor

Refrigerant pressure sensor

HAC-16

Magnet clutch

HAC-16

HAC-14

< SYSTEM DESCRIPTION >

[TYPE 1]

COMPONENT PARTS

A/C UNIT ASSEMBLY : Aspirator

INFOID:0000000006545785

The aspirator generates the vacuum by the air blown from the A/C
unit assembly and draws the air of the passenger room to the in-
vehicle sensor area via the aspirator duct.

A/C UNIT ASSEMBLY : Intake Sensor

INFOID:0000000006545786

Intake sensor measures temperature of evaporator fin temperature. The sensor uses a thermistor which is
sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature
increases.

A/C UNIT ASSEMBLY : Air Mix Door Motor

INFOID:0000000006545787

• The step motor system is adopted for air mix door motor.
• When a drive signal is input from A/C auto amp. to door motor, a step motor built into the door the door

motor rotates according to the drive signal, and then stops at the position of target door. Refer to

HAC-21,

"Door Control"

• Rotation of motor is transmitted to air mix door (upper air mix door and lower air mix door) by lod and lever.

Air flow temperature is switched.

A/C UNIT ASSEMBLY : Mode Door Motor

INFOID:0000000006545788

• The step motor system is adopted for mode door motor.
• When a drive signal is input from A/C auto amp. to door motor, a step motor built into the door the door

motor rotates according to the drive signal, and then stops at the position of target door. Refer to

HAC-21,

"Door Control"

• Rotation of motor is transmitted to mode door (center ventilator and defroster door, sub defroster door, side

ventilator door, and foot door) by link, lod, and lever. Air outlet is switched.

A/C UNIT ASSEMBLY : Intake Door Motor

INFOID:0000000006545789

• Intake door motor consists of motor that drives door and PBR (Potentio Balance Register) that detects door

position.

• Motor operates intake door according to control signal from A/C auto amp. Refer to

HAC-21, "Door Control"

• Rotation of motor is transmitted to intake door by lever. Air inlet is switched.
• PBR (Potentio Balance Register) transmits PBR feedback signal to A/C auto amp. according to motor posi-

tion.

• According to PBR feedback signal, A/C auto amp. monitors that motor is in an appropriate door position.

A/C UNIT ASSEMBLY : Blower Motor

INFOID:0000000006545790

• 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.

RJIA1804E

JPIIA1575ZZ

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Juke F15 (2012 year). Service Repair Manual — part 234

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