Nissan X-Trail 32. Manual - part 1394

A/C AUTO AMP.

HAC-51

< ECU DIAGNOSIS INFORMATION >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

ECU DIAGNOSIS INFORMATION

A/C AUTO AMP.

Reference Value

INFOID:0000000010939718

CONSULT DATA MONITOR REFERENCE VALUES

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

Monitor item

Condition

Value/Status

AMB TEMP SEN

Ignition switch ON

Equivalent to ambient tem-
perature

IN-VEH TEMP

Ignition switch ON

Equivalent to in-vehicle tem-
perature

INT TEMP SEN

Ignition switch ON

Values depending on evapo-
rator fin temperature

SUNLOAD SEN

Ignition switch ON

Values depending on sun-
load amount

AMB SEN CAL

Ignition switch ON

Equivalent to ambient tem-
perature

IN-VEH CAL

Ignition switch ON

Equivalent to in-vehicle tem-
perature

INT TEMP CAL

Ignition switch ON

Values depending on evapo-
rator fin temperature

SUNL SEN CAL

Ignition switch ON

Values depending on sun-
load amount

COMP REQ SIG

Engine: Run at idle after 
warming up 

A/C switch: ON
(Compressor operation sta-
tus) 

On

A/C switch: OFF

Off

COMP ECV DUTY

Engine: Run at idle after 
warming up 

A/C switch: ON
(Compressor operation sta-
tus) 

1 - 100%

A/C switch: OFF

0%

FAN REQ SIG

Engine: Run at idle after 
warming up 

Blower motor: ON

On

Blower motor: OFF

Off

FAN DUTY

Engine: Run at idle after 
warming up 

Blower motor: ON

1 – 100

Blower motor: OFF

0

XM

Ignition switch ON

Value depending on target 
air flow temperature (driver 
side)

ENG COOL TEMP

Ignition switch ON

Values depending on engine 
coolant temperature

VEHICLE SPEED

Turn drive wheels and compare CONSULT value with the 
speedometer indication.

Equivalent to speedometer 
reading

HAC-52

< ECU DIAGNOSIS INFORMATION >

[AUTOMATIC AIR CONDITIONING]

A/C AUTO AMP.

TERMINAL LAYOUT

PHYSICAL VALUES

JMIIA3628ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

1

(BR)

Ground

• Air mix door motor (passenger 

side) drive 2 (RHD models)

• Air mix door motor (driver 

side) drive 2 (LHD models)

Output

• Ignition switch ON
• Immediately after the tem-

perature control dial (pas-
senger side) is operated 
[when the air mix door mo-
tor (passenger side) oper-
ates] (RHD models)

• Immediately after the tem-

perature control dial (driv-
er side) is operated [when 
the air mix door motor 
(driver side) operates] 
(LHD models)

2

(L)

Ground

• Air mix door motor (passenger 

side) drive 1 (RHD models)

• Air mix door motor (driver 

side) drive 1 (LHD models)

9

(W)

Ground

• Air mix door motor (driver 

side) drive 2 (RHD models)

• Air mix door motor (passenger 

side) drive 2 (LHD models)

Output

• Ignition switch ON
• Immediately after the tem-

perature control dial (driv-
er side) is operated [when 
the air mix door motor 
(driver side) operates] 
(RHD models)

• Immediately after the tem-

perature control dial (pas-
senger side) is operated 
[when the air mix door mo-
tor (passenger side) oper-
ates] (LHD models)

10

(L)

Ground

• Air mix door motor (driver 

side) drive 1 (RHD models)

• Air mix door motor (passenger 

side) drive 1 (LHD models)

11

(BR)

Ground

Mode door motor drive 2

Output

• Ignition switch ON
• Immediately after the 

MODE VENT/FOOT/DEF 
switch is operated (when 
mode door motor oper-
ates)

12

(L)

Ground

Mode door motor drive 1

14

(BR)

Ground

Intake door motor drive 3

Output

• Ignition switch ON
• Immediately after the IN-

TAKE switch is operated 
(when intake door motor 
operates)

16

(R)

Ground

Intake door motor drive 2

17

(L)

Ground

Intake door motor drive 1

JPIIA1647GB

JPIIA1647GB

JPIIA1647GB

JPIIA1647GB

A/C AUTO AMP.

HAC-53

< ECU DIAGNOSIS INFORMATION >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

20

(W)

Ground

Door motor power supply (mode, 
intake)

Output

• Ignition switch ON
• Each following condition
- Immediately after the IN-

TAKE switch is operated 
(when intake door motor 
operates)

- Immediately after the 

MODE VENT/FOOT/DEF 
switch is operated (when 
mode door motor oper-
ates)

11 – 14 V

21

(G)

Ground

• Air mix door motor (passenger 

side) drive 4 (RHD models)

• Air mix door motor (driver 

side) drive 4 (LHD models)

Output

• Ignition switch ON
• Immediately after the tem-

perature control dial (pas-
senger side) is operated 
[when the air mix door mo-
tor (passenger side) oper-
ates] (RHD models)

• Immediately after the tem-

perature control dial (driv-
er side) is operated [when 
the air mix door motor 
(driver side) operates] 
(LHD models)

22

(R)

Ground

• Air mix door motor (passenger 

side) drive 3 (RHD models)

• Air mix door motor (driver 

side) drive 3 (LHD models)

27

(G)

Ground

Power transistor control signal

Output

Ignition 
switch ON

Blower mo-
tor: OFF

11 – 14 V

Blower mo-
tor: 1st 
speed (man-
ual)

30

(BR)

Ground

• Air mix door motor (driver 

side) drive 4 (RHD models)

• Air mix door motor (passenger 

side) drive 4 (LHD models)

Output

• Ignition switch ON
• Immediately after the tem-

perature control dial (driv-
er side) is operated [when 
the air mix door motor 
(driver side) operates] 
(RHD models)

• Immediately after the tem-

perature control dial (pas-
senger side) is operated 
[when the air mix door mo-
tor (passenger side) oper-
ates] (LHD models)

31

(R)

Ground

• Air mix door motor (driver 

side) drive 3 (RHD models)

• Air mix door motor (passenger 

side) drive 3 (LHD models)

32

(G)

Ground

Mode door motor drive 4

Output

• Ignition switch ON
• Immediately after the 

MODE VENT/FOOT/DEF 
switch is operated (when 
mode door motor oper-
ates)

33

(R)

Ground

Mode door motor drive 3

35

(BR)

Ground

Sensor ground (intake)

—

Ignition switch ON

0 – 0.1 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JPIIA1647GB

JMIIA3426GB

JPIIA1647GB

JPIIA1647GB

HAC-54

< ECU DIAGNOSIS INFORMATION >

[AUTOMATIC AIR CONDITIONING]

A/C AUTO AMP.

36

(W)

Ground

Intake door motor drive 4

Output

• Ignition switch ON
• Immediately after the IN-

TAKE switch is operated 
(when intake door motor 
operates)

37

(R)

Ground

Power transistor control

Output

Ignition 
switch ON

Blower mo-
tor: OFF

11 – 14 V

Blower mo-
tor: 1st 
speed (man-
ual)

8.5 V

Blower mo-
tor: 7th 
speed (man-
ual)

1.5 V

38

(BG)

Ground

Intake sensor

Input

Air tempera-
ture after 
passing 
through 
evaporator
(Ignition 
switch ON)

−

20

°

C

(

−

4

°

F)

3.62 V

−

10

°

C

(14

°

F)

3.05 V

0

°

C

(32

°

F)

2.46 V

10

°

C

(50

°

F)

1.92 V

20

°

C

(68

°

F)

1.46 V

25

°

C

(77

°

F)

1.26 V

30

°

C

(86

°

F)

1.09 V

40

°

C

(104

°

F)

0.82 V

40

(G)

Ground

Door motor power supply (air 
mix)

Output

• Ignition switch ON
• Following condition
- Immediately after the tem-

perature control dial is op-
erated

11 – 14 V

41

(BG)

Ground

Accessory power supply

—

Ignition switch ON

11 – 14 V

43

(R)

Ground

Ground

—

Ignition switch ON

0 – 0.1 V

51

(L)

—

CAN-H

Input/

Output

—

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JPIIA1647GB