Nissan Pathfinder (2008 year). Manual - part 188

 

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Nissan Pathfinder (2008 year). Manual - part 188

 

 

DLN-88

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

TRANSFER CONTROL UNIT

10

P

Transfer dropping resistor

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: AUTO

4 - 14V

4WD shift switch: 2WD, 4H or 4LO

Less than 1V

11

BR

4WD shift indicator lamp
(Lock indicator lamp)

Lock indicator lamp of 4WD shift indicator lamp: OFF

Battery voltage

Lock indicator lamp of 4WD shift indicator lamp: ON

0V

12

O

4LO indicator lamp

4LO indicator lamp: OFF

Battery voltage

4LO indicator lamp: ON

0V

13

G

Transfer shift low relay

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4LO to 4H (“Wait” func-
tion is operating.)

Battery voltage

Except the above

0V

14

V

 Transfer motor relay

• Accelerator pedal 

depressed

• Vehicle stopped
• Engine running
• Brake pedal de-

pressed

4WD shift switch: 2WD

Battery voltage

4WD shift switch: AUTO or 4LO (A/T selec-
tor lever “P” or “N” position)

Battery voltage
(0V for approx. 
2 sec. after 
shifting to “P” 
and “N”.)

4WD shift switch: AUTO or 4LO (Except for 
A/T selector lever “P” or “N” position)

0V

4WD shift switch: 4H (A/T selector lever 
“P” position)

Battery voltage
(0V for approx. 
2 sec. after 
shifting to “P”.)

4WD shift switch: 4H (Except for A/T selec-
tor lever “P” position)

0V

15

LG

ATP warning lamp

ATP indicator lamp: ON

 0V

ATP indicator lamp: OFF

Battery voltage

16

Y

Power supply

Ignition switch: ON

Battery voltage

Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)

 0V

18

O

4WD shift switch
(4H)

Ignition switch: ON

4WD shift switch: 4H

Battery voltage

4WD shift switch: 2WD, AUTO or 4LO

 0V

19

R

Clutch pressure solenoid 
valve

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: AUTO

1.5 - 3V

4WD shift switch: 2WD, 4H or 4LO

Less than 1V

21

B

4WD shift indicator lamp
(AUTO indicator lamp)

AUTO indicator lamp of 4WD shift indicator lamp: OFF

Battery voltage

AUTO indicator lamp of 4WD shift indicator lamp: ON

0V

22

GR

Power supply

Ignition switch: ON

Battery voltage

Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)

0V

23

W

4WD shift switch
(4LO)

Ignition switch: ON

4WD shift switch: 4LO

Battery voltage

4WD shift switch: 2WD, AUTO or 4H

0V

24

LG

4WD shift switch
(AUTO)

Ignition switch: ON

4WD shift switch: AUTO

Battery voltage

4WD shift switch: 2WD, 4H or 4LO

0V

Terminal

Wire 

color

Item

Condition

Data (Approx.)

TRANSFER CONTROL UNIT

DLN-89

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

25

Y

Neutral-4LO switch

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 2WD, AUTO or 4H

Battery voltage

4WD shift switch: 4H to 4LO (While actua-
tor motor is operating.)

Battery voltage 

→

 0V

4WD shift switch: 4LO to 4H (While actua-
tor motor is operating.)

0V 

→

 Battery 

voltage

4WD shift switch: 4LO

0V

27

W

Actuator position switch 2
(High)

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4H, AUTO or 2WD

0V

4WD shift switch: 4LO

Battery voltage

28

P

Sensor ground

Always

0V

29

W/G

Ignition switch monitor

Ignition switch: ON

Battery voltage

Ignition switch: OFF

0V

30

V

Shut off relay

Ignition switch: ON

0V

Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)

Battery voltage

31

G

Transfer fluid temperature 
sensor

Ignition switch: ON

Transfer fluid temperature approx. 20

°

C 

(68

°

F)

1.1V

Transfer fluid temperature approx. 80

°

C 

(176

°

F)

0.3V

33

GR

Transfer shift high relay 
monitor

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4H to 4LO (“Wait” func-
tion is operating.)

Battery voltage

Except the above

0V

34

BR

Clutch pressure switch

• Vehicle stopped
• Engine running
• A/T selector lever 

“D” position

4WD shift switch: AUTO or 4H (“Wait” func-
tion is not operating.)

0V

• Vehicle stopped
• Engine running

4WD shift switch: 2WD (“Wait” function is 
not operating.)

Battery voltage

35

L

Line pressure switch

• Ignition switch: ON
• A/T selector lever “D” position
• 4WD shift switch: AUTO

0V

• After the vehicle 

has been left at 
room temperature 
for 5 minutes and 
more with ignition 
switch in “OFF” po-
sition.

• Ignition switch: ON
• A/T selector lever: “P” or "N" position
• 4WD shift switch: other than AUTO

Battery voltage

40

R

ATP switch

• Vehicle stopped
• Engine running
• A/T selector lever 

“N”

• Brake pedal de-

pressed

4WD shift switch: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)

0V

Except the above

Battery voltage

Terminal

Wire 

color

Item

Condition

Data (Approx.)

DLN-90

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

TRANSFER CONTROL UNIT

CAUTION:

When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.

NOTE:
Data are reference value and are measured between each terminal and ground.

41

SB

Transfer motor relay moni-
tor

• Accelerator pedal 

depressed

• Vehicle stopped
• Engine running
• Brake pedal de-

pressed

4WD shift switch: 2WD

0V

4WD shift switch: AUTO or 4LO (A/T selec-
tor lever “P” or “N” position)

0V
(Battery volt-
age for approx. 
2 sec. after 
shifting to “P” 
and “N”.)

4WD shift switch: AUTO or 4LO (Except for 
A/T selector lever “P” or “N” position)

Battery voltage

4WD shift switch: 4H (A/T selector lever 
“P” position)

0V
(Battery volt-
age for approx. 
2 sec. after 
shifting to “P”.)

4WD shift switch: 4H (Except for A/T selec-
tor lever “P” position)

Battery voltage

42

Y

Transfer shift low relay 
monitor

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4LO to 4H (“Wait” func-
tion is operating.)

Battery voltage

Except the above

0V

43

O

Wait detection switch

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 2WD, AUTO or 4H

Battery voltage

4WD shift switch: 4H to 4LO (While actua-
tor motor is operating.)

Battery voltage 

→

 0V

4WD shift switch: 4LO to 4H (While actua-
tor motor is operating.)

0V 

→

 Battery 

voltage

4WD shift switch: 4LO

0V

44

LG

Actuator position switch 1
(Low)

• Vehicle stopped
• Engine running
• A/T selector lever 

“N” position

• Brake pedal de-

pressed

4WD shift switch: 4LO

0V

4WD shift switch: 2WD, AUTO or 4H

Battery voltage

45

B

Ground

Always

0V

47

R

Power supply
(Memory back-up)

Ignition switch: ON

Battery voltage

Ignition switch: OFF

Battery voltage

Terminal

Wire 

color

Item

Condition

Data (Approx.)

TRANSFER CONTROL UNIT

DLN-91

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

Wiring Diagram

INFOID:0000000001728417

ALDWA0017GB

DLN-92

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

TRANSFER CONTROL UNIT

ALDWA0018GB

TRANSFER CONTROL UNIT

DLN-93

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

ALDWA0036GB

DLN-94

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

TRANSFER CONTROL UNIT

ALDIA0060GB

TRANSFER CONTROL UNIT

DLN-95

< ECU DIAGNOSIS >

[TRANSFER: ATX14B]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

ALDIA0061GB

 

 

 

 

 

 

 

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