Nissan Juke F15. Manual - part 876

A/C INDICATOR

HAC-139

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

6.

CHECK A/C INDICATOR CIRCUIT FOR SHORT

1. Turn ignition switch OFF.

2. Disconnect A/C control connector and BCM connector.

3. Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-94, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

—

Continuity

Connector

Terminal

M53

2

Ground

Not existed

HAC-140

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000012200130

1.

CHECK SYMPTOM

Check symptom (A or B).

Which symptom is detected?

A

>> GO  TO  2.

B

>> GO  TO  7.

2.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 15A fuses (Nos. 14 and 16, located in fuse block (J/B)].

NOTE:

Refer to 

PG-80, "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-142, "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 SWITCH GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect A/C control connector.

3. Check continuity between A/C control harness connector and ground.

Is the inspection result normal?

Symptom

A

Blower motor does not operate at any dial position

B

Blower motor does not operate at any dial position other than 4, or oper-
ation speed is not normal.

+

−

Voltage

Blower motor

Connector

Terminal

M39

1

Ground

Battery voltage

A/C control

—

Continuity

Connector

Terminal

M53

9

Ground

Existed

BLOWER MOTOR

HAC-141

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK FAN SWITCH 4 POSITION CIRCUIT FOR OPEN

Check continuity between A/C control harness connector and blower motor harness connector.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair the harness or connector.

7.

CHECK BLOWER FAN RESISTOR POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect blower fan resistor connector.

3. Turn ignition switch ON.

4. Check voltage between blower fan resistor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair harness or connector between blower fan resistor and blower motor.

8.

CHECK BLOWER FAN RESISTOR

1. Turn the ignition switch OFF.

2. Check blower fan resistor. Refer to 

HAC-142, "Component Inspection (Blower Fan Resistor)"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace blower fan resistor. Refer to 

HAC-154, "Removal and Installation"

.

9.

CHECK FAN SWITCH 1, 2, 3 POSITION CIRCUIT FOR OPEN

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

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair harness or connector.

10.

CHECK FAN SWITCH

Check fan switch. Refer to 

HAC-142, "Component Inspection (Fan Switch)"

.

Is the inspection result normal?

YES

>> Replace blower motor. Refer to 

VTL-14, "Removal and Installation"

.

NO

>> Replace A/C control. Refer to 

HAC-151, "Removal and Installation"

.

A/C control

Blower motor

Continuity

Connector

Terminal

Connector

Terminal

M53

13

M39

2

Existed

+

−

Voltage

Blower fan resistor

Connector

Terminal

M346

4

Ground

Battery voltage

A/C control

Blower fan resistor

Continuity

Connector

Terminal

Connector

Terminal

M53

10

M346

1

Existed

11

2

12

3

HAC-142

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER MOTOR

Component Inspection (Blower Motor)

INFOID:0000000012200131

1.

CHECK BLOWER MOTOR

1. Remove blower motor. Refer to 

VTL-14, "Removal and Installation"

.

2. Check that there is not any mixing foreign object in the blower motor. 
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace blower motor. Refer to 

VTL-14, "Removal and Installation"

.

2.

CHECK BLOWER MOTOR

Check that there is not breakage or damage in the blower motor. 
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace blower motor. Refer to 

VTL-14, "Removal and Installation"

.

3.

CHECK BLOWER MOTOR

Check that blower motor turns smoothly. 
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower motor. Refer to 

VTL-14, "Removal and Installation"

.

Component Inspection (Blower Relay)

INFOID:0000000012200132

1.

CHECK BLOWER RELAY

1. Remove blower relay. Refer to 

PG-81, "Fuse and Fusible Link Arrangement"

. 

2. Check continuity between blower relay terminal 3 and 5 when

the voltage is supplied between terminal 1 and 2. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower relay.

Component Inspection (Blower Fan Resistor)

INFOID:0000000012200133

1.

CHECK BLOWER FAN RESISTOR

1. Disconnect blower fan resistor connector.

2. Check resistance between blower fan resistor terminals. Refer to applicable table for the normal value.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace blower fan resistor. Refer to 

HAC-154, "Removal and Installation"

.

Component Inspection (Fan Switch)

INFOID:0000000012200134

1.

CHECK FAN SWITCH

Terminal

Voltage

Continuity

3

5

ON

Existed

OFF

Not existed

JSIIA1551ZZ

Terminal

Resistance: 

Ω

(Approx.)

4

3

0.43

2

1.03

1

3