Infiniti G35 (V35) Sedan. Manual - part 765

 

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Infiniti G35 (V35) Sedan. Manual - part 765

 

 

HAC-32

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AUTOMATIC AIR CONDITIONER SYSTEM

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL 
SYSTEM : System Diagram

INFOID:0000000000959912

CONTROL SYSTEM

The control system consists of input sensors, switches, unified meter and A/C amp. (microcomputer) and out-
puts. The relationship of these components is shown in the figure below:

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL 

Component

Reference

Air mix door motor

HAC-72, "WITHOUT LEFT AND RIGHT VENTILATION TEMPER-
ATURE SEPARATELY CONTROL SYSTEM : Description"

Ambient sensor

HAC-93, "Description"

Blower motor

HAC-83, "WITHOUT LEFT AND RIGHT VENTILATION TEMPER-
ATURE SEPARATELY CONTROL SYSTEM : Description"

Compressor

HAC-90, "Description"

intake door motor

HAC-80, "Description"

intake sensor

HAC-102, "Description"

In-vehicle sensor

HAC-96, "Description"

Mode door motor

HAC-69, "Description"

Refrigerant pressure sensor

HAC-92, "Component Inspection"

Sunload sensor

HAC-99, "Description"

Unified meter and A/C amp. 

HAC-105, "Description"

JSIIA0057GB

AUTOMATIC AIR CONDITIONER SYSTEM

HAC-33

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

SYSTEM : System Description

INFOID:0000000000959913

CONTROL OPERATION

Display Screen

The operation status of the system is displayed on the screen.

Preset Switch

MODE Switch

The air discharge outlets is controlled with this switch.

Temperature Control Dial (Potentio Temperature Control) (Driver Side) 

The set temperature is increased or decreased with this dial.

Temperature Control Dial (Potentio Temperature Control) (Passenger Side) 

• The set temperature is increased or decreased with this dial.
• When the temperature control dial is turned, the DUAL switch indicator will automatically illuminate.

AUTO Switch 

• The compressor, intake doors, air mix doors, mode doors and blower speed are automatically controlled so

that the in-vehicle temperature will reach, and be maintained at the set temperature selected by the operator.

• When pressing AUTO switch, air inlet, air outlet, fan speed, and discharge air temperature are automatically

controlled.

Defroster (DEF) Switch

Mode doors are set to the defrost position with this switch. Also, intake doors are set to the outside air position,
and compressor turns ON.

A/C Switch

Compressor is ON or OFF with this switch.
(Pressing the A/C switch when the A/C switch is ON will turn OFF the A/C switch and compressor.)

FAN Switches

The blower speed is manually controlled with this switch. Seven speeds are available for manual control (as
shown on the display screen).

JSIIA0058GB

JSIIA0002GB

HAC-34

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AUTOMATIC AIR CONDITIONER SYSTEM

OFF Switch

Compressor and blower are OFF, intake doors and the mode doors are automatically controlled.

Rear Window Defogger Switch

When illumination is ON, rear window is defogged.

Intake Switch

• When intake switch is ON, FRE LED turns ON, and air inlet is fixed to FRE.
• When press intake switch again, REC LED turns ON, and air inlet is fixed to REC.
• When intake switch is pressed for approximately 1.5 seconds or longer, FRE and REC LEDs blink twice.

Then, automatic control mode is entered. Inlet status is displayed by LED even during automatic controlled.

• When FRE LED is turned ON, shifting mode position to D/F or DEF, or when compressor is turned from ON

to OFF, intake switch is automatically turned OFF (fixed to FRE mode). REC mode can be re-entered by
pressing intake switch again, and then compressor is turned ON. (Except D/F or DEF position)

DUAL Switch

• When the DUAL switch indicator is illuminated, the driver side and passenger side, temperature can each be

set independently.

• When the DUAL switch indicator is not illuminated, the driver side outlet and setting temperature is applied

to both sides.

AUTOMATIC AIR CONDITIONER SYSTEM

HAC-35

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

DISCHARGE AIR FLOW

JSIIA0077GB

 

 

 

 

 

 

 

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