Nissan Cube. Manual - part 581

HAC-162

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

DEFROSTER POSITION SIGNAL

YES

>> GO TO 3.

NO

>> Repair the harness or connector.

3.

CHECK CONTINUITY BETWEEN A/C CONTROL AND GROUND

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

Is inspection result normal?

YES

>> Replace the BCM. Refer to 

BCS-155, "Exploded View"

.

NO

>> Repair the harness or connector.

A/C control

—

Continuity

Connector

Terminal

M53

6

Ground

Not existed

A/C INDICATOR

HAC-163

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

A/C INDICATOR

Component Function Check

INFOID:0000000009951084

1.

PERFORM AUTO ACTIVE TEST OF A/C INDICATOR

 With CONSULT

1.

Select the “AIR COND IND” on “ACTIVE TEST” in BCM.

2.

Check the A/C indicator status.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-163, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009951085

1.

DEFINE THE MALFUNCTION

Define the A/C indicator malfunction.

A/C indicator dose not turn ON>>GO TO 2.
A/C indicator dose not turn OFF>>GO TO 6.

2.

CHECK FUSE

Check 10A fuse [No. 16, located in the fuse block (J/B)].
NOTE:
Refer to 

PG-77, "Fuse, Connector and Terminal Arrangement"

.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Replace fuse after repairing the applicable circuit.

3.

CHECK VOLTAGE BETWEEN A/C CONTROL POWER SUPPLY

1.

Turn the ignition switch ON.

2.

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

Is inspection result normal?

YES

>> GO TO 4.

NO

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

4.

CHECK VOLTAGE BETWEEN A/C CONTROL AND GROUND

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

Is inspection result normal?

YES

>> GO TO 5.

NO

>> Replace the A/C control (A/C indicator).

On

: A/C indicator ON

Off

: A/C indicator OFF

(+)

(

−

)

Voltage

A/C control

—

Connector

Terminal

M53

14

Ground

Battery voltage

(+)

(

−

)

Voltage

(Approx.)

A/C control

—

Connector

Terminal

M53

13

Ground

12 V

HAC-164

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

A/C INDICATOR

5.

CHECK CONTINUITY BETWEEN A/C CONTROL AND BCM

1.

Turn the ignition switch OFF.

2.

Disconnect the A/C control connector.

3.

Disconnect the BCM connector.

4.

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

With Intelligent Key

Without Intelligent Key

Is inspection result normal?

YES

>> GO TO 6.

NO

>> Repair the harness or connector.

6.

CHECK CONTINUITY BETWEEN A/C CONTROL AND GROUND

1.

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

Is inspection result normal?

YES

>> Replace the BCM. Refer to 

BCS-155, "Exploded View"

.

NO

>> Repair the harness or connector.

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

13

M71

72

Existed

A/C control

BCM

Continuity

Connector

Terminal

Connector

Terminal

M53

13

M66

50

Existed

A/C control

—

Continuity

Connector

Terminal

M53

13

Ground

Not existed

BLOWER FAN ON SIGNAL

HAC-165

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

C

D

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F

G

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HAC

N

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P

BLOWER FAN ON SIGNAL

Component Function Check

INFOID:0000000009951086

1.

CHECK BLOWER FAN ON SIGNAL

With CONSULT

1.

Turn the ignition switch ON.

2.

Select the “FAN ON SIG” on “DATA MONITOR” in BCM.

3.

Check the fan ON signal when the fan control dial is operated.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

HAC-165, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009951087

1.

CHECK BLOWER FAN ON SIGNAL OUTPUT

1.

Turn the ignition switch OFF.

2.

Disconnect the fan switch connector.

3.

Turn the ignition switch ON.

4.

Check output waveform between fan switch harness connector and the ground with using oscilloscope.

Is inspection result normal?

YES

>> Replace the fan switch (A/C control).

NO

>> GO TO 2.

2.

CHECK CONTINUITY BETWEEN FAN SWITCH AND BCM

1.

Turn the ignition switch OFF.

2.

Disconnect the BCM connector.

3.

Check continuity between fan switch harness connector and BCM harness connector.

With Intelligent Key

Monitor item

Condition

Status

FAN ON SIG

Fan control dial

OFF position

Off

Except OFF position

On

(+)

(

−

)

Output waveform

Fan switch

—

Connector

Terminal

M73

6

Ground

Approx. 1.5

∼

2.0 V

PIIB7730J

Fan switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

M73

6

M68

28

Existed