Nissan Murano. Manual — part 841

HAC-138

< SYSTEM DESCRIPTION >

[WITH 7 INCH DISPLAY]

COMPRESSOR CONTROL FUNCTION

SYSTEM DESCRIPTION

COMPRESSOR CONTROL FUNCTION

Description

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PRINCIPLE OF OPERATION

Compressor is not activated.

Functional circuit diagram

Functional initial inspection chart

×

: Applicable

CAN (1)

: A/C switch signal
: Blower fan motor switch signal

CAN (2)

: A/C compressor request signal

JPIIA0484GB

Control unit

Diagnosis item

Location

A

B

C

D

A/C auto amp.

“HVAC”

Self-diagnosis

×

—

—

—

Data monitor

×

—

—

—

Active test

×

—

—

×

ECM

“ENGINE”

Self-diagnosis function
(CAN system diagnosis)

—

—

×

—

Data monitor

—

×

×

—

IPDM E/R

“IPDM E/R”

Self-diagnosis function
(CAN system diagnosis)

—

—

—

×

Data monitor

—

—

×

—

Auto active test

—

—

—

×

COMPRESSOR CONTROL FUNCTION

HAC-139

< SYSTEM DESCRIPTION >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Fail-Safe

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FAIL-SAFE FUNCTION

• If a communication error exists between the A/C auto amp., and the AV control unit and preset switch for 30

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

Component Part Location

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ENGINE COMPARTMENT

Compressor

: ON

Air outlet

: AUTO

Air inlet

: FRE (Fresh)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs

HAC-140

< SYSTEM DESCRIPTION >

[WITH 7 INCH DISPLAY]

COMPRESSOR CONTROL FUNCTION

PASSENGER COMPARTMENT

1.

Refrigerant pressure sensor

2.

Compressor (magnet clutch)

3.

Ambient sensor

JPIIA0607ZZ

COMPRESSOR CONTROL FUNCTION

HAC-141

< SYSTEM DESCRIPTION >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

1.

Intake door motor

2.

Upper ventilator door motor

3.

Air mix door motor (passenger side)

4.

Air mix door motor (driver side)

5.

Mode door motor

6.

Sunload sensor

7.

In-vehicle sensor

8.

A/C auto amp.

9.

Intake sensor

10. Blower motor

JPIIA0608ZZ