Nissan Juke F15. Manual - part 875

THERMO CONTROL AMPLIFIER

HAC-135

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

4.

CHECK THERMO CONTROL AMP. SIGNAL

1. Turn ignition switch ON.

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

Is the inspection result normal?

YES

>> Replace thermo control amp. Refer to 

HAC-152, "Removal and Installation"

.

NO

>> GO TO 5.

5.

CHECK THERMO CONTROL AMP. SIGNAL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between thermo control amp. harness connector and BCM harness connector. 

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-94, "Removal and Installation"

.

NO

>> Repair harness or connector.

+

−

Voltage

(Approx.)

Thermo control amp.

Connector

Terminal

M44

2

Ground

12 V

Thermo control amp.

BCM

Continuity

Connector

Terminal

Connector

Terminal

M44

2

M65

26

Existed

HAC-136

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

DEFROSTER POSITION SIGNAL

DEFROSTER POSITION SIGNAL

Component Function Check

INFOID:0000000012200127

1.

CHECK DEFROSTER POSITION SIGNAL

With CONSULT

1. Turn ignition switch ON.

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

3. Select “FR DEF SW” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-136, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012200128

1.

CHECK MODE SWITCH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect A/C control connector.

3. Turn ignition switch ON.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK MODE SWITCH GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

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

Is the inspection result normal?

YES

>> Replace A/C control. Refer to 

HAC-151, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK MODE SWITCH POWER SUPPLY CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

Monitor item

Condition

Status

FR DEF SW

MODE dial

D/F or DEF

On

VENT, B/L or FOOT

Off

+

−

Output waveform

A/C control

Connector

Terminal

M52

18

Ground

JPMIA0012GB

A/C control

—

Continuity

Connector

Terminal

M52

19

Ground

Existed

DEFROSTER POSITION SIGNAL

HAC-137

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

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 MODE 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

M52

18

M65

31

Existed

A/C control

—

Continuity

Connector

Terminal

M52

18

Ground

Not existed

HAC-138

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

A/C INDICATOR

A/C INDICATOR

Diagnosis Procedure

INFOID:0000000012200129

1.

CHECK SYMPTOM

Check symptom.

A/C indicator does not turn ON>>GO TO 2.

A/C indicator does not turn OFF>>GO TO 6.

2.

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 3.

NO

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

3.

CHECK A/C INDICATOR POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between A/C control harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

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

4.

CHECK A/C INDICATOR CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace A/C control. Refer to 

HAC-151, "Removal and Installation"

.

5.

CHECK A/C INDICATOR CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

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

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

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-94, "Removal and Installation"

.

NO

>> Repair harness or connector.

+

−

Voltage

A/C control

Connector

Terminal

M53

7

Ground

Battery voltage

+

−

Voltage

(Approx.)

A/C control

Connector

Terminal

M53

2

Ground

12 V

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

2

M66

63

Existed