Nissan Qashqai J11. Manual — part 1114

HAC-92

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B24A9 SUNLOAD SENSOR

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR SHORT

1.

Check continuity between sunload sensor harness connector and ground.

2.

Check voltage between in-vehicle harness connector and ground

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-129, "Removal and Installation"

.

NO

>> Repair harness or connector.

7.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-129, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning parts.

Sunload sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M82

1

M141

54

Existed

Sunload sensor

—

Continuity

Connector

Terminal

M82

1

Ground

Not existed

+

−

Voltage

Sunload sensor

Connector

Terminal

M82

1

Ground

0 V

B24B4 A/C CONTROL

HAC-93

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

B24B4 A/C CONTROL

DTC Logic

INFOID:0000000010500503

DTC DETECTION LOGIC

POSSIBLE CAUSE

A/C control (Internal circuit malfunction)

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF-DIAGNOSIS

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-93, "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:0000000010500504

1.

REPLACE A/C CONTROL

Replace A/C control. Refer to

HAC-128, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B24B4

A/C CONTROL
(Air conditioning control)

[GENERAL ELEC MALFUNCTN]

An internal circuit error message is received from A/C
control via LIN communication for 30 seconds or more.

HAC-94

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B24B7 INTAKE DOOR MOTOR

B24B7 INTAKE DOOR MOTOR

DTC Logic

INFOID:0000000010432215

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 auto 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 auto 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-94, "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:0000000010432216

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

M341

2

Ground

11 - 14 V

B24B7 INTAKE DOOR MOTOR

HAC-95

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC 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 auto amp. connector.

3.

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

HAC-129, "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 auto amp. connector.

3.

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

Continuity

Connector

Terminal

Connector

Terminal

M341

2

M140

20

Existed

Intake door motor

—

Continuity

Connector

Terminal

M341

2

Ground

Not existed

Intake door motor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M341

6

M140

14

Existed

1

16

3

17

4

36

Intake door motor

—

Continuity

Connector

Terminal

M341

6

Ground

Not existed

1

3

4