Nissan March K13. Manual - part 398

HAC-126

< SYSTEM DESCRIPTION >

[HEATER AND VENTILATION]

SYSTEM

SYSTEM

System Diagram

INFOID:0000000006024164

System Description

INFOID:0000000006024165

SYSTEM DESCRIPTION

• Heater system is controlled by each function of BCM and heater amp.
• Fan speed of blower fan motor is changed by the combination of fan switch operation and blower fan resistor

control.

SWITCHES AND THEIR CONTROL FUNCTIONS

JMIIA0706GB

1.

Intake door

2.

Blower motor

3.

Air mix door

4.

Heater core*

5.

Foot door

6.

Ventilator and defroster door

JMIIA0708ZZ

SYSTEM

HAC-127

< SYSTEM DESCRIPTION >

[HEATER AND VENTILATION]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

*: Manual heater models

*: Manual heater models

AIR DISTRIBUTION 

Fresh air intake

Recirculation air

Defroster

Center ventilator

Side ventilator

Foot

Switch/Dial

position

Door position

V

e

n

til

ato

r an

d 

de

fros

te

r do

or

Fo

ot do

or

In

ta

k

e

 do

or

Ai

r mi

x do

or

MODE dial

B

A

—

—

A – B

A

B

A – B

A

Air intake lever

—

—

B

A

Temperature control dial*

Full cold

—

A

Full hot

B

Discharge air flow

Mode position indication

Air outlet/distribution

Center ventilator

Side ventilator

Foot

Defroster

50%

50%

—

—

30%

30%

40%

—

7%

7%

66%

20%

7%

7%

51%

35%

—

22%

—

78%

HAC-128

< SYSTEM DESCRIPTION >

[HEATER AND VENTILATION]

OPERATION

OPERATION

Switch Name and Function

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CONTROLLER

Heater Control

Ventilation Control

SWITCH OPERATION

1.

Fan control dial

2.

Rear window defogger switch

3.

MODE dial

4.

Air intake lever

5.

Temperature control dial

JMIIA0705ZZ

1.

Fan control dial

2.

MODE dial

3.

Air intake lever

JMIIA0707ZZ

Fan control dial

Fan speed can be adjusted within a range from 1st to 4th. 

Rear window defogger 
switch

• Rear window defogger (switch indicator) is turned ON 

⇔

 OFF each time by pressing this switch.

• Rear window defogger system details, Refer to 

XX-XX, "*****"

.

MODE dial

• Mode position is selected to an optimal position by operating this dial.
• When DEF or D/F is selected while blower motor is activated, air inlet becomes fresh air intake.

OPERATION

HAC-129

< SYSTEM DESCRIPTION >

[HEATER AND VENTILATION]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Intake switch

• The air inlet changed ON 

⇔

 OFF each time by pressing this switch.

- REC indicator ON: Recirculation
- REC indicator OFF: Fresh air intake
NOTE:
When mode position is D/F or DEF, air inlet is set to FRE forcibly.

Temperature control dial

The setting temperature can be selected to an optimum temperature by operating this dial.