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