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Nissan Rogue. Manual - part 746

HAC-6

< PREPARATION >

[AUTOMATIC AIR CONDITIONING]

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000011276563

The actual shape of the tools may differ from those illustrated here.

Commercial Service Tool

INFOID:0000000011276564

Tool number
(TechMate No.)
Tool name

Description

—

(J-46534)
Trim Tool Set

Removing trim components

AWJIA0483ZZ

(TechMate No.)
Tool name

Description

( — )
Power tool

Loosening nuts, screws and bolts

PIIB1407E

COMPONENT PARTS

HAC-7

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

HAC

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Part Location

INFOID:0000000011276565

RH side of engine compartment

RH front of vehicle (view with front
bumper fascia removed)

LH front of vehicle (view with front
bumper fascia removed)

No.

Component

Description

IPDM E/R

Refer to

PCS-7, "RELAY CONTROL SYSTEM : System Description"

ECM

The ECM sends a compressor ON request to the IPDM E/R based on the status of engine op-
eration and load as well as refrigerant pressure information. If all the conditions are met for A/C
operation, the ECM transmits the compressor ON request to the IPDM E/R.

A/C Compressor

Vaporized refrigerant is drawn into the A/C compressor from the evaporator, where it is com-
pressed to a high pressure, high temperature vapor. The hot, compressed vapor is then dis-
charged to the condenser.

Refrigerant pressure sensor

Refer to

EC-28, "Refrigerant Pressure Sensor"

Ambient sensor

The ambient sensor measures the temperature of the air surrounding the vehicle. The sensor
uses a thermistor which is sensitive to the change in temperature. The electrical resistance of
the thermistor decreases as temperature increases.

ALIIA1002ZZ

HAC-8

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

COMPONENT PARTS

Left side of A/C unit

Right side of A/C unit

ALIIA0925ZZ

No.

Component

Description

Sunload sensor

Sunload sensor measures sunload amount. This sensor is a dual system so that sunload for
driver side and passenger side are measured separately. This sensor converts sunload
amount to voltage signal by photodiode and transmits to A/C auto amp.

Front blower relay

The front blower relay controls the flow of current to fuse 17 and 27 in the Fuse Block (J/B).
The relay is grounded when the ignition switch is in the ON position.

BCM

The BCM receives the fan ON and A/C ON signals from the A/C auto amp. and sends a com-
pressor ON request to the ECM.

In-vehicle sensor

In-vehicle sensor measures temperature of intake air that flows through aspirator to passen-
ger room. 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 switch assembly

The A/C switch assembly controls the operation of the A/C and heating system based on in-
puts from the temperature control knob, the mode switches, the blower control dial, the ambi-
ent temperature sensor, the intake sensor, and inputs received from the ECM across the CAN.
Diagnosis of the A/C switch assembly can be performed using the CONSULT. There is no self-
diagnostic feature available.

Variable blower control

The variable blower control controls the speed of the blower motor by controlling the ground
circuit of the blower motor. The front air control provides voltage to the gate of the variable
blower control based on the position of the blower control dial.

COMPONENT PARTS

HAC-9

< SYSTEM DESCRIPTION >

[AUTOMATIC AIR CONDITIONING]

HAC

Intake door motor

The intake door motor controls the position of the intake door. Fresh air is allowed to enter the
cabin in one position, and recirculated inside air is allowed to enter in the other position. The
intake door motor receives position commands from the A/C auto amp.

Intake sensor

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

Air mix door motor LH

The air mix door controls the mix of hot or cold air that enters the ventilation system. It is con-
trolled by the A/C auto amp. based on the position of the temperature dial. The air mix door
motor LH receives position commands from the A/C auto amp.

10.

Mode door motor

The mode door controls the direction the conditioned air passes through the ventilation sys-
tem. Through a series of levers and gears, the mode door controls the defrost door, the foot
door, and the vent door. There are 5 preset positions: VENT, B/L, FOOT, D/F, and DEF. The
mode door motor receives position commands from the A/C auto amp.

11.

A/C auto amp.

A/C auto amp. controls front automatic air conditioning system by inputting and calculating sig-
nals from each sensor and each switch.

12.

Air mix door motor RH

The air mix door controls the mix of hot or cold air that enters the ventilation system. It is con-
trolled by the A/C auto amp. based on the position of the temperature dial. The air mix door
motor RH receives position commands from the A/C auto amp.

13.

Front Blower motor

The blower motor varies the speed at which the air flows through the ventilation system.

No.

Component

Description

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