Nissan X-Trail 32. Manual - part 1406

B24BB LEFT AIR MIX DOOR MOTOR

HAC-99

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

2.

Check voltage between air mix door motor LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]

Check air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to 

HAC-99, "Com-

ponent Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-126, "Removal and Installation"

.

NO

>> Replace air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to

HAC-135, "AIR MIX DOOR MOTOR : Removal and Installation"

.

Component Inspection

INFOID:0000000010939756

1.

CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)]

1.

Remove air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to 

HAC-135,

"AIR MIX DOOR MOTOR : Removal and Installation"

.

2.

Check resistance between air mix door motor [driver side (LHD models), passenger side (RHD models)]
terminals. Refer to applicable table for the normal value. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace air mix door motor [driver side (LHD models), passenger side (RHD models)]. Refer to

HAC-135, "AIR MIX DOOR MOTOR : Removal and Installation"

.

Air mix door motor LH

—

Continuity

Connector

Terminal

M345

1

Ground

Not existed

3

4

6

+

−

Voltage

Air mix door motor LH

Connector

Terminal

M345

1

Ground

0 V

3

4

6

Terminal

Resistance (

Ω

)

(Approx.)

2

1

90

3

4

6

HAC-100

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B24BD RIGHT AIR MIX DOOR MOTOR

B24BD RIGHT AIR MIX DOOR MOTOR

DTC Description

INFOID:0000000010939757

DTC DETECTION LOGIC

POSSIBLE CAUSE

[CIRCUIT SHORT TO BATTERY]

• Harness and connector [Air mix door motor (passenger side) circuit is shorted to battery] (LHD models)
• Harness and connector [Air mix door motor (driver side) circuit is shorted to battery] (RHD models)
• Air Mix door motor
• A/C auto amp.

[CIRC SHORT TO GRND OR OPEN]

• Harness and connector [Air mix door motor (passenger side) circuit is open or shorted to ground] (LHD mod-

els)

• Harness and connector [Air mix door motor (driver side) circuit is open or shorted to ground] (RHD models)
• Air mix 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-100, "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:0000000010939758

1.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect air mix door motor RH connector.

3.

Turn ignition switch ON.

4.

Check voltage between air mix door motor RH harness connector and ground for several seconds after
operating the temperature control dial (driver side) while DUAL switch is OFF.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B24BD

RIGHT AIR MIX DOOR MOTOR
(Right side air mix door motor)

[CIRCUIT SHORT TO BATTERY]

Detect short to battery circuit of air mix door 
motor [passenger side (LHD models), driver 
side (RHD models)] circuits.

[CIRC SHORT TO GRND OR OPEN]

Detect open or short to ground circuit of air mix 
door motor [passenger side (LHD models), 
driver side (RHD models)] circuits.

+

−

Voltage

Air mix door motor RH

Connector

Terminal

M344

2

Ground

11 - 14 V

B24BD RIGHT AIR MIX DOOR MOTOR

HAC-101

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC 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 4.

NO

>> GO TO 2.

2.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector.

3.

Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec-
tor.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between air mix door motor RH harness connector and ground.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-126, "Removal and Installation"

.

NO

>> Repair harness or connector.

4.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

DRIVE SIGNAL CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector.

3.

Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec-
tor.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

DRIVE SIGNAL CIRCUIT FOR SHORT

1.

Check continuity between air mix door motor RH harness connector and ground.

Air mix door motor RH

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M344

2

M173

40

Existed

Air mix door motor RH

—

Continuity

Connector

Terminal

M344

2

Ground

Not existed

Air mix door motor RH

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M344

1

M173

9

Existed

3

10

4

30

6

31

HAC-102

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B24BD RIGHT AIR MIX DOOR MOTOR

2.

Check voltage between air mix door motor RH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

Check air mix door motor [passenger side (LHD models), driver side (RHD models)]. Refer to 

HAC-102,

"Component Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-126, "Removal and Installation"

.

NO

>> Replace air mix door motor [passenger side (LHD models), driver side (RHD models)]. Refer to

HAC-137, "MODE DOOR MOTOR : Removal and Installation"

.

Component Inspection

INFOID:0000000010939759

1.

CHECK AIR MIX DOOR MOTOR [PASSENGER SIDE (LHD MODELS), DRIVER SIDE (RHD MODELS)]

1.

Remove air mix door motor [passenger side (LHD models), driver side (RHD models)]. Refer to 

HAC-135,

"AIR MIX DOOR MOTOR : Removal and Installation"

.

2.

Check resistance between air mix door motor [passenger side (LHD models), driver side (RHD models)]
terminals. Refer to applicable table for the normal value. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace air mix door motor [passenger side (LHD models), driver side (RHD models)]. Refer to

HAC-135, "AIR MIX DOOR MOTOR : Removal and Installation"

.

Air mix door motor RH

—

Continuity

Connector

Terminal

M344

1

Ground

Not existed

3

4

6

+

−

Voltage

Air mix door motor RH

Connector

Terminal

M344

1

Ground

0 V

3

4

6

Terminal

Resistance (

Ω

)

(Approx.)

2

1

90

3

4

6