Infiniti G35 (V35) Sedan. Manual - part 761

HAC-16

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

COMPRESSOR CONTROL FUNCTION

PASSENGER COMPARTMENT

1.

Refrigerant pressure sensor

2.

Ambient sensor

3.

Compressor (magnet clutch)

4.

Compressor (ECV)

JSIIA0081ZZ

COMPRESSOR CONTROL FUNCTION

HAC-17

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM : Component’s role

INFOID:0000000000959903

1.

Intake door motor

2.

Mode door motor

3.

Air mix door motor

4.

Sunload sensor

5.

In-vehicle sensor

6.

Unified meter and A/C amp.

7.

Intake sensor

8.

Blower motor

JSIIA0122ZZ

HAC-18

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

COMPRESSOR CONTROL FUNCTION

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL 
SYSTEM : Description

INFOID:0000000000959904

PRINCIPLE OF OPERATION

Compressor is not activated.

Functional circuit diagram

Functional initial inspection chart

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"

CAN(1) : A/C signal

CAN(2) : Compressor request signal

JSIIA0129GB

COMPRESSOR CONTROL FUNCTION

HAC-19

< FUNCTION DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL 
SYSTEM : Fail-Safe

INFOID:0000000000959905

FAIL-SAFE FUNCTION

• If a communication error exists between the unified meter and A/C amp., and the AV control unit and preset

switch for 30 seconds or longer, air conditioner is controlled under the following conditions:

WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL 
SYSTEM : Component Part Location

INFOID:0000000000959906

ENGINE COMPARTMENT

Location

A

B

C

D

CONSULT-III

ECM DATA MONITOR

Yes

Yes

IPDM E/R DATA MONITOR

Yes

AUTO ACTIVE TEST

Yes

Self-diagnosis function (except CAN diagnosis)

Yes

Compressor

: ON

Air outlet

: AUTO

Air inlet

: FRE (Fresh)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs

Display

: OFF