Nissan Cube. Manual - part 575

HAC-138

< SYSTEM DESCRIPTION >

[MANUAL AIR CONDITIONING]

COMPRESSOR CONTROL FUNCTION

SYSTEM DESCRIPTION

COMPRESSOR CONTROL FUNCTION

Description

INFOID:0000000009951053

PRINCIPLE OF OPERATION

Compressor is not activated.

Functional Circuit Diagram

Functional Initial Inspection Chart

×

: Applicable

L (1)

: Fan ON signal

CAN (1)

: A/C ON signal

L (2)

: A/C switch signal

: Blower fan ON signal

L (3)

: Defroster position switch 2

CAN (2)

: A/C compressor request signal

L (4)

: Thermo control amp. ON signal

: A/C compressor feedback signal

JPIIA1661GB

Control unit

Diagnosis item

Location

A

B

C

D

E

BCM

“BCM-AIR COND”

Self-diagnosis

—

×

—

—

—

Data monitor

×

—

—

—

—

ECM

 “ENGINE”

Self-diagnosis
(CAN communication line)

—

—

—

×

—

Data monitor

—

×

×

—

—

IPDM E/R

 “IPDM E/R”

Self-diagnosis
(CAN communication line)

—

—

—

—

×

Data monitor

—

—

—

×

—

Auto active test

—

—

—

—

×

COMPRESSOR CONTROL FUNCTION

HAC-139

< SYSTEM DESCRIPTION >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Component Part Location

INFOID:0000000009951054

Component Description

INFOID:0000000009951055

1.

Magnet clutch

2.

Refrigerant pressure sensor

3.

A/C control

4.

Blower motor

5.

Blower fan resistor

6.

Intake door motor

7.

Thermo control amp.

A.

Located in the right side of A/C unit 
assembly

B.

Located in the back of A/C unit as-
sembly

C.

Located in the left side of A/C unit as-
sembly

D.

Located on evaporator

JPIIA1740ZZ

Component

Reference/Function

Magnet clutch

HAC-158, "Description"

Refrigerant pressure sensor

EC-425, "Description"

 

A/C control

Controls the air conditioner function.

HAC-140

< SYSTEM DESCRIPTION >

[MANUAL AIR CONDITIONING]

COMPRESSOR CONTROL FUNCTION

Blower motor

HAC-154, "Description"

Blower fan resistor

HAC-154, "Description"

Intake door motor

HAC-149, "Description"

Thermo control amp.

HAC-151, "Description"

Component

Reference/Function

MANUAL AIR CONDITIONING SYSTEM

HAC-141

< SYSTEM DESCRIPTION >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

MANUAL AIR CONDITIONING SYSTEM

System Diagram

INFOID:0000000009951056

System Description

INFOID:0000000009951057

SYSTEM DESCRIPTION

• Manual air conditioner system is controlled by each function of BCM, ECM or IPDM E/R.

Control by BCM

- Compressor control

Control by ECM

- Compressor control
- Cooling fan control. Refer to  

EC-74, "System Description"

.

- Air conditioner cut control. Refer to 

EC-58, "System Description"

.

Control by IPDM E/R

- Relay control. Refer to 

PCS-35, "System Description"

.

- Cooling fan control. Refer to 

PCS-35, "System Description"

.

• Fan speed of blower fan motor is changed by the combination of fan switch operation and blower fan resistor

control.

OPERATION

A/C Control

JPIIA1667GB