Nissan Qashqai J11. Manual - part 1140

HAC-196

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

B24A4 INTAKE SENSOR

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 2.

2.

CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C amp. connector. 

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN

1.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT

1.

Check continuity between intake sensor harness connector and ground. 

2.

Check voltage between intake harness connector and ground

+

−

Condition

Voltage

A/C amp.

Connector

Terminal

M50

21

Ground

Sensor detection 
temperature

−

20

°

C (

−

4

°

F)

4.41 V

−

10

°

C (14

°

F)

4.09 V

0

°

C (32

°

F)

3.68 V

10

°

C (50

°

F)

3.21 V

20

°

C (68

°

F)

2.71 V

25

°

C (77

°

F)

2.47 V

30

°

C (86

°

F)

2.23 V

40

°

C (104

°

F)

1.80 V

Intake sensor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M389

1

M50

21

Existed

Intake sensor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M389

2

M50

18

Existed

Intake sensor

—

Continuity

Connector

Terminal

M389

1

Ground

Not existed

+

−

Voltage

Intake sensor

Connector

Terminal

M389

1

Ground

0 V

B24A4 INTAKE SENSOR

HAC-197

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK INTAKE SENSOR

Check intake sensor. Refer to 

HAC-197, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-226, "Removal and Installation"

.

NO

>> Replace intake sensor. Refer to 

HAC-228, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-226, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

Component Inspection

INFOID:0000000010499388

NOTE:
The intake sensor cannot be reused. If the intake sensor harness connector is disconnected, sensor must be
replaced.

1.

CHECK INTAKE SENSOR

1.

Remove intake sensor. Refer to 

HAC-228, "Removal and Installation"

. 

2.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace intake sensor. Refer to 

HAC-131, "Removal and Installation"

.

Intake sensor

Condition

Resistance: k

Ω

Con-

nector

Terminal

Temperature: 

°

C (

°

F) 

M389

1

2

−

20 (

−

4)

16.00

−

10 (14)

9.62

0 (32) 

6.00

10 (50)

3.87

20 (68)

2.57

25 (77)

2.12

30 (86)

1.76

40 (104)

1.23

HAC-198

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

B24B7 INTAKE DOOR MOTOR

B24B7 INTAKE DOOR MOTOR

DTC Logic

INFOID:0000000010499389

DTC DETECTION LOGIC

POSSIBLE CAUSE

[CIRCUIT SHORT TO BATTERY]

• Harness and connector (Intake door motor circuit is shorted to battery)
• Intake door motor
• A/C amp.

[CIRC SHORT TO GRND OR OPEN]

• Harness and connector (Intake door motor circuit is open or shorted to ground)
• Intake door motor
• A/C amp.

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.

3.

Check DTC.

Is DTC detected?

YES

>> Refer to 

HAC-198, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010499390

1.

CHECK INTAKE DOOR MOTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect intake door motor connector.

3.

Turn ignition switch ON.

4.

Check voltage between intake door motor harness connector and ground for several seconds after press-
ing the INTAKE switch.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B24B7

INTAKE DOOR MOTOR
(Intake door motor)

[CIRCUIT SHORT TO BATTERY]

Detect short to battery circuit of intake door motor cir-
cuits.

[CIRC SHORT TO GRND OR 
OPEN]

Detect open or short to ground circuit of intake door 
motor circuits.

+

−

Voltage

Intake door motor

Connector

Terminal

M386

2

Ground

11 - 14 V

B24B7 INTAKE DOOR MOTOR

HAC-199

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

1.

Turn ignition switch OFF.

2.

Disconnect A/C amp. connector.

3.

Check continuity between intake door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between intake door motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-226, "Removal and Installation"

.

NO

>> Repair harness or connector.

4.

CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C amp. connector.

3.

Check continuity between intake door motor harness connector and A/C amp. harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR SHORT

1.

Check continuity between intake door motor harness connector and ground.

2.

Check voltage between intake door motor harness connector and ground.

Intake door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M386

2

M50

8

Existed

Intake door motor

—

Continuity

Connector

Terminal

M386

2

Ground

Not existed

Intake door motor

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M386

1

M50

11

Existed

3

12

4

27

6

28

Intake door motor

—

Continuity

Connector

Terminal

M386

1

Ground

Not existed

3

4

6