Nissan Pathfinder (2010 year). Manual - part 453

HAC-100

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AIR CONDITIONER CONTROL

ABIIA0351GB

2010 Pathfinder

AIR CONDITIONER CONTROL

HAC-101

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ABIIA0352GB

2010 Pathfinder

HAC-102

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AIR CONDITIONER CONTROL

ABIIA0353GB

2010 Pathfinder

AIR CONDITIONER CONTROL

HAC-103

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ABIIA0354GB

2010 Pathfinder

HAC-104

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AIR CONDITIONER CONTROL

ABIIA0355GB

2010 Pathfinder

AIR CONDITIONER CONTROL

HAC-105

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ABIIA0356GB

2010 Pathfinder

HAC-106

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AIR CONDITIONER CONTROL

SYMPTOM DIAGNOSIS

AIR CONDITIONER CONTROL

Symptom Matrix Chart

INFOID:0000000005256966

SYMPTOM TABLE

Symptom

Reference Page

A/C system does not come on.

Go to Trouble Diagnosis Procedure for A/C System.

HAC-86

A/C system display is malfunctioning. 

Go to AV System.

AV-193

, 

AV-73

A/C system cannot be controlled.

Go to Self-diagnosis Function.

HAC-24

Air outlet does not change.

Go to Trouble Diagnosis Procedure for Mode Door Motor.

HAC-27

Mode door motor is malfunctioning.

Discharge air temperature does not change.

Go to Trouble Diagnosis Procedure for Air Mix Door Motor.

HAC-33

, 

HAC-36

Air mix door motor is malfunctioning.

Intake door does not change.

Go to Trouble Diagnosis Procedure for Intake Door Motor.

HAC-41

Intake door motor is malfunctioning.

Front blower motor operation is malfunction-
ing.

Go to Trouble Diagnosis Procedure for Front Blower Motor.

HAC-44

Rear blower motor operation is malfunction-
ing.

Go to Trouble Diagnosis Procedure for Rear Blower Motor.

HAC-50

Rear discharge air temperature and/or air 
outlet does not change.

Go to Trouble Diagnosis Procedure for Rear Air Control system.

HAC-59

Magnet clutch does not engage.

Go to Trouble Diagnosis Procedure for Magnet Clutch.

HAC-65

Insufficient cooling

Go to Trouble Diagnosis Procedure for Insufficient Cooling.

HAC-107

Insufficient heating

Go to Trouble Diagnosis Procedure for Insufficient Heating.

HAC-115

Noise

Go to Trouble Diagnosis Procedure for Noise.

HAC-117

Self-diagnosis cannot be performed.

Go to Trouble Diagnosis Procedure for Self-diagnosis.

HAC-87

Memory function does not operate.

Go to Trouble Diagnosis Procedure for Memory Function.

HAC-119

2010 Pathfinder

INSUFFICIENT COOLING

HAC-107

< SYMPTOM DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

INSUFFICIENT COOLING

Component Function Check

INFOID:0000000005256967

SYMPTOM: Insufficient cooling

INSPECTION FLOW

1.

CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE DECREASE 

1. Press the AUTO switch.

2. Turn temperature control dial (driver) counterclockwise until 18

°

C (60

°

F) is displayed.

3. Check for cold air at discharge air outlets.
Can the symptom be duplicated?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK FOR ANY SYMPTOMS 

Perform a complete operational check for any symptoms. Refer to 

HAC-123, "Operational Check"

.

Does another symptom exist?

YES

>> Refer to 

HAC-172, "Symptom Matrix Chart"

. 

NO

>> System OK.

3.

CHECK FOR SERVICE BULLETINS

Check for any service bulletins.

>> GO TO 4.

4.

PERFORM SELF-DIAGNOSIS

Perform self-diagnosis Refer to 

HAC-24, "A/C Auto Amp. Self-Diagnosis"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Refer to 

HAC-25, "A/C System Self-Diagnosis Code Chart"

.

5.

CHECK DRIVE BELTS 

Check compressor belt tension. Refer to 

EM-14, "Checking Drive Belts"

 (VQ40DE) or 

EM-149, "Checking

Drive Belts"

 (VK56DE).

Is the inspection result normal?

OK

>> GO TO 6.

NG

>> Adjust or replace compressor belt. Refer to 

EM-14, "Adjustment"

, 

EM-14, "Removal and Installa-

tion"

 (VQ40DE) or 

EM-149, "Adjustment"

, 

EM-149, "Removal and Installation"

 (VK56DE).

6.

CHECK AIR MIX DOOR OPERATION

Check and verify air mix door mechanism for smooth operation. Refer to 

HAC-140, "Air Mix Door Motor Com-

ponent Function Check"

Does air mix door operate correctly?

YES

>> GO TO 7.

NO

>> Check air mix door motor circuit. Refer to 

HAC-140, "Air Mix Door Motor Diagnosis Procedure"

 or

HAC-36, "Air Mix Door Motor (Passenger) Diagnosis Procedure"

.

7.

CHECK COOLING FAN MOTOR OPERATION

Check and verify cooling fan motor for smooth operation.
Does cooling fan motor operate correctly?

YES

>> GO TO 8.

NO

>> Check cooling fan motor.

8.

CHECK WATER VALVE OPERATION (VK56DE ONLY)

Check and verify water valve for smooth operation. Refer to 

HAC-70, "Water Valve Description (VK56DE)"

.

Does water valve operate correctly?

2010 Pathfinder