Nissan Juke F15. Manual - part 874

A/C SWITCH

HAC-131

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL 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 BCM connector.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR SHORT

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

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

1

M65

27

Existed

A/C control

—

Continuity

Connector

Terminal

M53

1

Ground

Not existed

HAC-132

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

BLOWER FAN ON SIGNAL

BLOWER FAN ON SIGNAL

Component Function Check

INFOID:0000000012200123

1.

CHECK BLOWER FAN ON SIGNAL

With CONSULT

1. Turn ignition switch ON.

2. Select “AIR CONDITIONER” of “BCM” using CONSULT.

3. Select “FAN ON SIG” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-132, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012200124

1.

CHECK FAN SWITCH POWER SUPPLY SIGNAL

1. Turn ignition switch OFF.

2. Disconnect A/C control harness connector.

3. Turn ignition switch ON.

4. Check output waveform between A/C control and ground with using oscilloscope.

Is the inspection result normal?

YES

>> Replace A/C control. Refer to 

HAC-151, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity A/C control harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK BLOWER FAN ON SIGNAL CIRCUIT FOR SHORT

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

Monitor item

Condition

Status

FAN ON SIG

Fan control dial

Except OFF position

On

OFF position

Off

+

−

Output waveform

A/C control

Connector

Terminal

M53

14

Ground

PIIB7730J

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

14

M65

28

Existed

BLOWER FAN ON SIGNAL

HAC-133

< 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

>> Replace BCM. Refer to 

BCS-94, "Removal and Installation"

.

NO

>> Repair harness or connector.

A/C control

—

Continuity

Connector

Terminal

M53

14

Ground

Not existed

HAC-134

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

THERMO CONTROL AMPLIFIER

THERMO CONTROL AMPLIFIER

Component Function Check

INFOID:0000000012200125

1.

CHECK A/C ON SIGNAL

With CONSULT

1. Turn ignition switch ON.

2. Select “AIR CONDITIONER” of “BCM” using CONSULT.

3. Select “THERMO AMP” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-134, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012200126

1.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 15, located in fuse block (J/B)].

NOTE:

Refer to 

PG-80, "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 THERMO CONTROL AMP. POWER SUPPLY

1. Turn ignition switch OFF. 

2. Disconnect thermo control amp. connector. 

3. Turn ignition switch ON.

4. Check voltage between thermo control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector between thermo control amp. and fuse.

3.

CHECK THERMO CONTROL AMP. GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Check continuity between thermo control amp. harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

Monitor item

Condition

Status

THERMO AMP

Ignition switch

ON

On

OFF

Off

+

−

Voltage

Thermo control amp.

Connector

Terminal

M44

1

Ground

Battery voltage

Thermo control amp.

—

Continuity

Connector

Terminal

M44

3

Ground

Existed