Nissan Quest E52. Instruction — part 753

HAC-142

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

COMPRESSOR DOES NOT OPERATE

COMPRESSOR DOES NOT OPERATE

Description

INFOID:0000000009652592

SYMPTOM

Compressor does not operate.

Diagnosis Procedure

INFOID:0000000009652593

NOTE:
• Perform self-diagnoses with on board diagnosis and CONSULT before performing symptom diagnosis. If

any malfunction result or DTC is detected, perform the corresponding diagnosis.

• Check that refrigerant is enclosed in cooler cycle normally. If refrigerant amount is shortage from proper

amount, perform the inspection of refrigerant leakage.

1.

CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Refer to

HAC-131, "Component Function Check"

.

Does it operate normally?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refer to

EC-442, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning parts.

3.

CHECK A/C ON SIGNAL

Check A/C ON signal. Refer to

HAC-121, "Component Function Check"

.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning parts.

4.

CHECK BLOWER FAN ON SIGNAL

Check blower fan ON signal. Refer to

HAC-123, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace malfunctioning parts

5.

CHECK BCM OUTPUT SIGNAL

With CONSULT

1.

Select “DATA MONITOR” mode of “ECM” using CONSULT.

2.

Select “AIR COND SIG” and “HEATER FAN SW”, and check status under the following conditions.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-36, "Removal and Installation"

.

NO

>> Replace BCM. Refer to

BCS-98, "Removal and Installation"

.

Monitor item

Condition

Status

AIR COND SIG

A/C switch

OFF (A/C indicator: OFF)

Off

ON (A/C indicator: ON)

On

HEATER FAN SW

Blower motor

OFF

Off

ON

On

FRONT A/C CONTROL

HAC-143

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

REMOVAL AND INSTALLATION

FRONT A/C CONTROL

Removal and Installation

INFOID:0000000009652594

REMOVAL

1.

Remove cluster lid C. Refer to

IP-28, "Removal and Installation"

.

2.

Remove fixing screws (A), and then remove front A/C control.

INSTALLATION

Install in the reverse order of removal.

JMIIA1842ZZ

HAC-144

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

REAR A/C CONTROL

REAR A/C CONTROL

Removal and Installation

INFOID:0000000009652595

REMOVAL

With Rear Display

1.

Remove roof console. Refer to

INT-35, "Removal and Installation"

.

2.

Remove fixing screws (A), and then remove rear A/C control.

Without Rear Display

1.

Disengage fixing pawls and metal clip using a remover tool (A).

2.

Disconnect harness connector, and then remove rear A/C control.

INSTALLATION

Install in the reverse order of removal.

JMIIA1843ZZ

: Pawl

: Metal clip

JMIIA1179ZZ

AMBIENT SENSOR

HAC-145

< REMOVAL AND INSTALLATION >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

AMBIENT SENSOR

Removal and Installation

INFOID:0000000009652596

REMOVAL

1.

Remove engine under cover. Refer to

EXT-23, "Removal and Installation"

.

2.

Disconnect harness connector (A).

3.

Disengage fixing pawl, and then remove ambient sensor.

INSTALLATION

Install in the reverse order of removal.

: Pawl

: Vehicle front

JMIIA1844ZZ