Nissan Pathfinder (2009 year). Manual — part 201
DLN-90
< 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.)
2009 Pathfinder
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
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.)
2009 Pathfinder
DLN-92
< 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
B
Power supply
(Memory back-up)
Ignition switch: ON
Battery voltage
Ignition switch: OFF
Battery voltage
Terminal
Wire
color
Item
Condition
Data (Approx.)
2009 Pathfinder
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
Wiring Diagram
INFOID:0000000003937271
ABDWA0048GB
2009 Pathfinder
DLN-94
< ECU DIAGNOSIS >
[TRANSFER: ATX14B]
TRANSFER CONTROL UNIT
ABDWA0049GB
2009 Pathfinder
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
ABDWA0050GB
2009 Pathfinder
DLN-96
< ECU DIAGNOSIS >
[TRANSFER: ATX14B]
TRANSFER CONTROL UNIT
ABDIA0122GB
2009 Pathfinder
TRANSFER CONTROL UNIT
DLN-97
< ECU DIAGNOSIS >
[TRANSFER: ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
ABDIA0123GB
2009 Pathfinder
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