Nissan Qashqai (2007-2010). Manual - part 934

HAC-96

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

BCM (BODY CONTROL MODULE)

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

14

(L/R)

Ground

A/C switch

Output

A/C switch

Not pressed

Battery voltage

Pressed

0 V

15

(LG/B)

Ground

Fan switch

Output

Fan switch

Not pressed

Battery voltage

Pressed

0 V

AUTO AMP.

HAC-97

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

AUTO AMP.

Reference Value

INFOID:0000000000954679

TERMINAL LAYOUT

PHYSICAL VALUES

JPIIA0179ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

1

(L)

Ground

Blower motor control signal

Output

• Ignition switch ON
• Blower speed: 1st- 6th 

speed (manual)

2.5 V

• Ignition switch ON
• Blower speed: 7th speed 

(manual)

9.0 V

3

(V)

Ground

A/C LAN signal

Input/

Output

Ignition switch ON

5

(L)

Ground

A/C switch signal

Output

A/C switch

Not pressed

12 V

Pressed

 0 V

7

(O)

Ground

Sunload sensor

Input

—

—

9

(O)

Ground

Engine coolant temperature 
signal

Input

At idle [after warming up, ap-
prox. 80

°

C (176

°

F)]

NOTE: The wave forms vary 
depending on coolant temper-
ature.

SJIA1453J

SJIA1438J

HAC-98

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

AUTO AMP.

14

(Y)

Ground

Speed sensor (8-pulse)

Input

Speed meter operated (When 
vehicle speed is approx. 40 
km/h)

NOTE: Maximum voltage may be 5 
V due to specifications (connected 
units)

16

(R)

Ground

Illumination signal

Input

Ignition switch ON

 12 V

Ignition switch OFF

 0 V

17

(B)

Ground

Ground

—

Ignition switch ON

 0 V

18

(Y)

Ground

Power supply from IGN 2

—

Ignition switch ON

Battery voltage

20

(W)

Ground

Power supply for each door 
motor

Input

Ignition switch ON

Battery voltage

21

(R)

Ground

A/C PD cut

Input

Ignition switch ON

0 V

22

(R)

Ground

Rear window defogger feed-
back signal

Input

Rear window defogger: OFF

0 V

Rear window defogger: ON

12 V

23

(SB)

Ground

Rear window defogger ON 
signal

Input

When rear window defogger 
switch is depressed.

When rear window defogger 
switch is released.

24

(LG)

Ground

Blower motor ON signal

Input

AUTO SW: ON (Blower motor 
operate.)

0 V

AUTO SW: OFF

12 V

25

(P)

Ground

Intake sensor

Input

—

—

26

(GR)

Ground

Sensor Ground

—

Ignition switch ON

0 V

27

(BR)

Ground

In-vehicle sensor

Input

—

—

28

(G)

Ground

OAT sensor

Input

—

—

34

(O)

Ground

High-level VENT SW signal

Input

High-level VENT SW: OFF

12 V

High-level VENT SW: ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JSNIA0012GB

ZJIA1036J

JPIIA0013GB

AUTO AMP.

HAC-99

< ECU DIAGNOSIS >

[AUTOMATIC AIR CONDITIONER]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

36

(B)

Ground

Illumination ground

—

Ignition switch ON

0 V

38

(R)

Ground

Blower motor feedback signal

Input

Blower speed: 1st

10 V

39

(Y)

Ground

Power supply from BATT

—

Ignition switch OFF

Battery voltage

40

(GR)

Ground

Power supply from IGN

—

Ignition switch ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output