Nissan Frontier D40. Manual - part 736

MANUAL A/C IDENTIFICATION TABLE

HAC-47

< ECU DIAGNOSIS >

[MANUAL A/C (TYPE 1)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ECU DIAGNOSIS

MANUAL A/C IDENTIFICATION TABLE

Application Table

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Manual A/C Type

Description

Visual Identification

Manual A/C (Type 1)

Two Control Dial System 

[with variable blower control 

(VBC)]

Manual A/C (Type 2)

Three Control Dial System 

[without variable blower con-

trol (VBC)]

AWIIA0481ZZ

AWIIA1228ZZ

HAC-48

< ECU DIAGNOSIS >

[MANUAL A/C (TYPE 1)]

AIR CONDITIONER CONTROL

AIR CONDITIONER CONTROL

Front Air Control Terminals Reference Values

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Measure voltage between each terminal and ground by following
Terminals and Reference Values for front air control.

FRONT AIR CONTROL HARNESS CONNECTOR TERMINAL LAYOUT

TERMINALS AND REFERENCE VALUES FOR FRONT AIR CONTROL 

AWIIA1217ZZ

AWIIA1221ZZ

Terminal 

No.

Wire 

color

Item

Ignition 

switch

Condition

Voltage (V)

(Approx.)

1

R/Y

Power supply for BAT

-

-

Battery voltage

3

P

Ground for mode door motor and air 
mix door motor PBR

 ON

-

0V

4

W

Compressor ON signal

ON

A/C switch OFF

5V

ON

A/C switch ON

0V

5

R

Front blower monitor

ON

Front blower motor OFF

Battery voltage

Front blower motor ON

0V

6

SB

Air mix door motor feedback

ON

-

0 - 5V

7

V

Mode door motor feedback

ON

-

0 - 5V

8

G

Illumination +

ON

Park lamps ON

Battery voltage

9

BR

Illumination -

-

Park lamps ON

10

R

Rear defrost request

ON

-

Battery voltage

11

L

Intake sensor

ON

-

0 - 5V

13

B

Ground

-

-

0V

15

W/G

Power supply for IGN

ON

-

Battery voltage

16

Y

Rear defroster request

ON

-

Battery voltage

PIIA2344E

AIR CONDITIONER CONTROL

HAC-49

< ECU DIAGNOSIS >

[MANUAL A/C (TYPE 1)]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

17

GR

Air mix door motor CCW

ON

Counterclockwise rotation

Battery voltage

18

O

Air mix door motor CW

ON

Clockwise rotation

Battery voltage

19

R

Mode door motor CCW

ON

Counterclockwise rotation

Battery voltage

20

BR

Mode door motor CW

ON

Clockwise rotation

Battery voltage

21

O

Intake door motor CCW

ON

Counterclockwise rotation

Battery voltage

22

Y

Intake door motor CW

ON

Clockwise rotation

Battery voltage

23

G

Power supply for mode door motor 
and air mix door motor PBR

ON

-

 5V

24

LG

Variable blower control

 ON

Blower speed (low)

1.7V

Blower speed (hi)

4.5V

26

V

Sensor ground

ON

-

0 - 5V

Terminal 

No.

Wire 

color

Item

Ignition 

switch

Condition

Voltage (V)

(Approx.)

HAC-50

< ECU DIAGNOSIS >

[MANUAL A/C (TYPE 1)]

AIR CONDITIONER CONTROL

Wiring Diagram - Air Conditioner Control - With VBC

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ABIWA0091GB