Nissan Rogue. Manual - part 784

HAC-158

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

B24B7 INTAKE DOOR MOTOR

B24B7 INTAKE DOOR MOTOR

DTC Logic

INFOID:0000000011276696

DTC DETECTION LOGIC 

NOTE:

• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to 

HAC-

153, "DTC Logic"

.

• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. 

HAC-154,

"DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Start engine.

2. Select “Self Diagnostic Result” of “HVAC”.

3. Check DTC.
Is DTC detected?

YES

>> Refer to 

HAC-158, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011276697

Regarding Wiring Diagram information, refer to 

HAC-137, "Wiring Diagram"

.

NOTE:

This DTC can be set if the BCM is placed in transit mode. Confirm if the DTC is CURRENT or PAST. If PAST,

perform the following steps before carrying out Diagnosis Procedure.

1. Clear DTC using CONSULT. Refer to 

HAC-22, "CONSULT Function (HVAC)"

.

2. Perform OPERATION INSPECTION. Refer to 

HAC-48, "Work Procedure"

.

3. Perform “Self Diagnostic Result” of “HVAC” using CONSULT. Refer to 

HAC-22, "CONSULT Function

(HVAC)"

.

4. If DTC resets, proceed with Diagnosis Procedure.

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.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

B24B7

INTAKE DOOR MOTOR

Short or open circuit of intake door motor drive 
signal.

• Intake door motor
• Intake door motor system installa-

tion condition

• Front air control
• Harness or connectors

(The motor circuit is open or short-
ed.)

+

−

Voltage

(Approx.)

Intake door motor

Connector

Terminal

M128

2

Ground

Battery voltage

B24B7 INTAKE DOOR MOTOR

HAC-159

< 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 3.

NO

>> GO TO 2.

2.

CHECK INTAKE DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN

1. Disconnect front air control connector.

2. Check continuity between intake door motor harness connector and front air control harness connector.

Is the inspection result normal?

YES

>> Replace front air control. Refer to 

HAC-182, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect front air control connector.

3. Check continuity between intake door motor harness connector and front air control harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK INTAKE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR SHORT

Check continuity between intake door motor harness connector and front air control harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK INTAKE DOOR MOTOR

Check intake door motor. Refer to 

HAC-186, "INTAKE DOOR MOTOR : Removal and Installation"

.

Is the inspection result normal?

YES

>> Replace front air control. Refer to 

HAC-182, "Removal and Installation"

.

NO

>> Replace intake door motor. Refer to 

HAC-186, "INTAKE DOOR MOTOR : Removal and Installa-

tion"

.

Component Inspection (Motor)

INFOID:0000000011276698

1.

CHECK INTAKE DOOR MOTOR

Intake door motor

Front air control

Continuity

Connector

Terminal

Connector

Terminal

M128

2

M50

8

Yes

Intake door motor

Front air control

Continuity

Connector

Terminal

Connector

Terminal

M128

1

M50

11

Yes

3

12

4

27

6

28

Intake door motor

—

Continuity

Connector

Terminal

M128

1

Ground

No

3

4

6

HAC-160

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

B24B7 INTAKE DOOR MOTOR

1. Remove intake door motor. Refer to 

HAC-186, "INTAKE DOOR MOTOR : Removal and Installation"

.

2. Check resistance between intake door motor terminals. Refer to applicable table for the normal value. 

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace intake door motor. Refer to 

HAC-186, "INTAKE DOOR MOTOR : Removal and Installa-

tion"

.

Terminal

Resistance (

Ω)

(Approx.)

2

1

90

3

4

6

B24B9 MODE DOOR MOTOR

HAC-161

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

B24B9 MODE DOOR MOTOR

DTC Logic

INFOID:0000000011276699

DTC DETECTION LOGIC 

NOTE:

• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to 

HAC-

153, "DTC Logic"

.

• If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. 

HAC-154,

"DTC Logic"

.

• If mode door motors DTC (B27A6 – B27A9) are detected, there is probably a disconnected connector or an

open circuit in mode door motor drive power supply harness.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Turn ignition switch ON.

2. Select “Self Diagnostic Result” of “HVAC”.

3. Check DTC.
Is DTC detected?

YES

>> Refer to 

HAC-161, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011276700

Regarding Wiring Diagram information, refer to 

HAC-137, "Wiring Diagram"

.

NOTE:

This DTC can be set if the BCM is placed in transit mode. Confirm if the DTC is CURRENT or PAST. If PAST,

perform the following steps before carrying out Diagnosis Procedure.

1. Clear DTC using CONSULT. Refer to 

HAC-22, "CONSULT Function (HVAC)"

.

2. Perform OPERATION INSPECTION. Refer to 

HAC-48, "Work Procedure"

.

3. Perform “Self Diagnostic Result” of “HVAC” using CONSULT. Refer to 

HAC-22, "CONSULT Function

(HVAC)"

.

4. If DTC resets, proceed with Diagnosis Procedure.

1.

CHECK MODE DOOR MOTOR POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect mode door motor connector.

3. Turn ignition switch ON.

4. Check voltage between mode door motor harness connector and ground.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

B24B9

MODE DOOR MOTOR

Short or open circuit of mode door motor drive 
signal.

• Mode door motor
• Front air control
• Harness or connectors

(The motor circuit is open or short-
ed.)

+

−

Voltage

(Approx.)

Mode door motor

Connector

Terminal

M131

2

Ground

Battery voltage