Nissan Quest E52. Manual - part 742

HAC-98

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

INTAKE SENSOR

INTAKE SENSOR

Diagnosis Procedure

INFOID:0000000009652555

1.

CHECK INTAKE SENSOR SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between A/C auto amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 2.

2.

CHECK INTAKE SENSOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect intake sensor connector. 

3.

Turn ignition switch ON.

4.

Check voltage between intake sensor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 5.

3.

CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector. 

3.

Check continuity between intake sensor harness connector and A/C auto amp harness connector. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK INTAKE SENSOR

Check intake sensor. Refer to 

HAC-99, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> Replace intake sensor. Refer to 

HAC-148, "Removal and Installation"

.

+

−

Voltage

A/C auto amp.

Connector

Terminal

M50

37

Ground

JMIIA1786ZZ

+

−

Voltage

(Approx.)

Intake sensor

Connector

Terminal

M42

1

Ground

5 V

Intake sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M42

2

M50

40

Existed

INTAKE SENSOR

HAC-99

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

5.

CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector. 

3.

Check continuity between intake sensor harness connector and A/C auto amp. harness connector. 

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between intake sensor harness connector and ground. 

Is the inspection result normal?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> Repair harness or connector.

7.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

Component Inspection

INFOID:0000000009652556

1.

CHECK INTAKE SENSOR

1.

Remove intake sensor. Refer to 

HAC-148, "Removal and Installation"

.

2.

Check resistance between intake sensor terminals. Refer to applicable table for the normal value. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace intake sensor. Refer to 

HAC-148, "Removal and Installation"

.

Intake sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M42

1

M50

37

Existed

Intake sensor

—

Continuity

Connector

Terminal

M42

1

Ground

Not existed

Terminal

Condition

Resistance: k

Ω

Temperature: 

°

C (

°

F) 

1

2

−

20 (

−

4)

24.81

−

10 (14)

14.15

0 (32) 

8.41

10 (50)

5.19

20 (68)

3.30

25 (77)

2.67

30 (86)

2.17

40 (104)

1.46

HAC-100

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

SUNLOAD SENSOR

SUNLOAD SENSOR

Diagnosis Procedure

INFOID:0000000009652557

1.

CHECK SUNLOAD SENSOR SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between A/C auto amp. harness connector and ground.

NOTE:
• When checking indoors, use a lamp of approximately 60 W. Move the lamp towards and away from the

sensor to check.

• The sunload amount produced by direct sunshine in fair weather is equivalent to approximately 0.77 W/

m

2

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 2.

2.

CHECK SUNLOAD SENSOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect sunload sensor connector. 

3.

Turn ignition switch ON.

4.

Check voltage between sunload sensor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 5.

3.

CHECK SUNLOAD SENSOR GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector. 

3.

Check continuity between sunload sensor harness connector and A/C auto amp harness connector. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

+

−

Voltage

A/C auto amp.

Connector

Terminal

M50

18

Ground

JMIIA1755ZZ

+

−

Voltage

(Approx.)

Sunload sensor

Connector

Terminal

M74

1

Ground

5 V

Sunload sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M74

2

M50

40

Existed

SUNLOAD SENSOR

HAC-101

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

4.

REPLACE SUNLOAD SENSOR

1.

Replace sunload sensor. Refer to 

HAC-147, "Removal and Installation"

.

2.

Perform self-diagnosis function step 2. Refer to 

HAC-47, "On Board Diagnosis Function"

.

3.

Check self-diagnosis result.

Is “25” or “

 25” displayed?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> INSPECTION END

5.

CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector. 

3.

Check continuity between sunload sensor harness connector and A/C auto amp. harness connector. 

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between sunload sensor harness connector and ground. 

Is the inspection result normal?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> Repair harness or connector.

7.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace front A/C control (A/C auto amp.). Refer to 

HAC-143, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

Sunload sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M74

1

M50

18

Existed

Sunload sensor

—

Continuity

Connector

Terminal

M74

1

Ground

Not existed