Nissan X-Trail 32. Manual - part 1432

B24BB LEFT AIR MIX DOOR MOTOR

HAC-203

< 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 6.

NO

>> Repair harness or connector.

6.

CHECK AIR MIX DOOR MOTOR

Check air mix door motor. Refer to 

HAC-203, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-222, "Removal and Installation"

.

NO

>> Replace air mix door motor. Refer to 

HAC-229, "AIR MIX DOOR MOTOR : Removal and Installa-

tion"

.

Component Inspection

INFOID:0000000010939853

1.

CHECK AIR MIX DOOR MOTOR

1.

Remove air mix door motor. Refer to 

HAC-229, "AIR MIX DOOR MOTOR : Removal and Installation"

.

2.

Check resistance between air mix door motor terminals. Refer to applicable table for the normal value. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace air mix door motor. Refer to 

HAC-229, "AIR MIX DOOR MOTOR : Removal and Installa-

tion"

.

+

−

Voltage

Air mix door motor

Connector

Terminal

M348

1

Ground

0 V

3

4

6

Terminal

Resistance (

Ω

)

(Approx.)

2

1

90

3

4

6

HAC-204

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

A/C AMP.

A/C AMP. : Diagnosis Procedure

INFOID:0000000010939854

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check 10 A fuse [No. 20 (without stop/start system), located in fuse block (J/B)], [No. 59 (with stop/start
system)].
NOTE:
Refer to 

PG-84, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 

2.

CHECK A/C AMP. ACCESSORY POWER SUPPLY

1.

Disconnect A/C amp. connector. 

2.

Turn ignition switch ON. 

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector between A/C amp. and fuse.

3.

CHECK A/C AMP. GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between A/C amp. harness connector and ground. 

Is the inspection result normal?

YES

>> Replace A/C amp. Refer to 

HAC-222, "Removal and Installation"

.

NO

>> Repair harness or connector.

+

−

Voltage

A/C amp.

Connector

Terminal

M132

3

Ground

11 - 14 V

A/C amp.

—

Continuity

Connector

Terminal

M132

19

Ground

Existed

BLOWER MOTOR

HAC-205

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000010939855

1.

CHECK SYMPTOM

Check symptom (A, B or C).

Which symptom is detected?

A

>> GO TO 2.

B

>> GO TO 11.

C

>> GO TO 13.

2.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check following fuses.

-

20 A fuses [Nos. 7 and 17, located in the fuse block (J/B)]

NOTE:
Refer to 

PG-84, "Fuse, Connector and Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

3.

CHECK BLOWER MOTOR POWER SUPPLY

1.

Disconnect blower motor connector. 

2.

Turn ignition switch ON.

3.

Check voltage between blower motor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK BLOWER RELAY

1.

Turn ignition switch OFF.

2.

Check blower relay. Refer to 

HAC-208, "Component Inspection (Blower Relay)"

.

Is the inspection result normal?

YES

>> Repair harness or connector between blower motor and fuse.

NO

>> Replace blower relay.

5.

CHECK FAN CONTROL AMP. POWER SUPPLY (SOURCE) CIRCUIT

1.

Turn ignition switch OFF.

2.

Connect blower motor connector.

3.

Disconnect fan control amp. connector.

4.

Turn ignition switch ON.

5.

Check voltage between fan control amp. harness connector and ground.

Symptom

A

Blower motor does not operate.

B

Blower motor operates at the maximum fan 
speed and fan speed cannot be selected.

Blower motor can be switched to OFF.

C

Blower motor cannot be switched to OFF.

+

−

Voltage

Blower motor

Connector

Terminal

M347

1

Ground

11 – 14 V

HAC-206

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

CHECK FAN CONTROL AMP. POWER SUPPLY CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect blower motor connector.

3.

Check continuity between fan control amp. harness connector and blower motor harness connector. 

Is the inspection result normal?

YES

>> Replace blower motor. Refer to 

VTL-15, "Removal and Installation"

.

NO

>> Repair harness or connector.

7.

CHECK FAN CONTROL AMP. GROUND CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Check continuity between fan control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair harness or connector.

8.

CHECK FAN CONTROL AMP. CONTROL SIGNAL (GATE) CIRCUIT FOR OPEN

Check continuity between fan control amp. harness connector and A/C amp. harness connector. 

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair harness or connector.

9.

CHECK FAN CONTROL AMP. CONTROL SIGNAL CIRCUIT FOR SHORT

Check continuity between fan control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair harness or connector.

+

−

Voltage

Fan control amp.

Connector

Terminal

M346

1

Ground

11 – 14 V

Fan control amp.

Blower motor

Continuity

Connector

Terminal

Connector

Terminal

M346

1

M347

2

Existed

Fan control amp.

—

Continuity

Connector

Terminal

M346

3

Ground

Existed

Fan control amp.

A/C amp.

Continuity

Connector

Terminal

Connector

Terminal

M346

2

M132

1

Existed

Fan control amp.

—

Continuity

Connector

Terminal

M346

2

Ground

Not existed