Nissan Teana J32. Manual — part 687

COMPRESSOR CONTROL FUNCTION

HAC-117

< FUNCTION DIAGNOSIS >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

FUNCTION DIAGNOSIS

COMPRESSOR CONTROL FUNCTION

Description

INFOID:0000000003943704

PRINCIPLE OF OPERATION

Compressor is not activated.

Functional circuit diagram

Functional initial inspection chart

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

Yes

Data monitor

Yes

Active test

Yes

Yes

ECM

“ENGINE”

Self-diagnosis
(CAN system diagnosis)

Yes

Data monitor

Yes

Yes

IPDM E/R

“IPDM E/R”

Self-diagnosis
(CAN system diagnosis)

Yes

Data monitor

Yes

Auto active test

Yes

HAC-118

< FUNCTION DIAGNOSIS >

[WITH 7 INCH DISPLAY]

COMPRESSOR CONTROL FUNCTION

Fail-Safe

INFOID:0000000003926398

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

INFOID:0000000003884694

ENGINE COMPARTMENT

Compressor

: ON

Air outlet

: AUTO

Air inlet

: FRE (Fresh)

Blower fan speed

: AUTO

Set temperature

: Setting before communication error occurs

COMPRESSOR CONTROL FUNCTION

HAC-119

< FUNCTION DIAGNOSIS >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

PASSENGER COMPARTMENT

1.

Refrigerant pressure sensor

2.

Compressor (magnet clutch)

3.

Ambient sensor

JPIIA0992ZZ

HAC-120

< FUNCTION DIAGNOSIS >

[WITH 7 INCH DISPLAY]

COMPRESSOR CONTROL FUNCTION

Component’s Role

INFOID:0000000003884695

1.

Intake door motor

2.

Air mix door motor (passenger side)

3.

Air mix door motor (driver side)

4.

Mode door motor

5.

Sunload sensor

6.

In-vehicle sensor

7.

A/C auto amp.

8.

Intake sensor

9.

Blower motor

JPIIA0993ZZ