Nissan Pathfinder (2009 year). Manual — part 219
DLN-234
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
PHYSICAL VALUES
VHCL/S COMP [km/h] or
[mph]
Vehicle speed
Vehicle stopped
0 km/h (0 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condi-
tion.
Approximately
equal to the indica-
tion on speedome-
ter (Inside of
±
10%)
SHIFT ACT 1 [ON/OFF]
Output condition to actua-
tor motor (clockwise)
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
4WD shift switch
: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
ON
Except the above
OFF
SHIFT AC MON1 [ON/
OFF]
Check signal for transfer
control unit signal output
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
4WD shift switch
: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
ON
Except the above
OFF
SHIFT ACT 2 [ON/OFF]
Output condition to actua-
tor motor (counterclock-
wise)
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
4WD shift switch
: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
ON
Except the above
OFF
SHIFT AC MON2 [ON/
OFF]
Check signal for transfer
control unit signal output
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
4WD shift switch
: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
ON
Except the above
OFF
SHIFT ACT/R MON [ON/
OFF]
Operating condition of ac-
tuator motor relay (integrat-
ed in transfer control unit)
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
When 4WD shift switch is
operated
ON
When 4WD shift switch is
not operated
OFF
SHIFT POS SW1 [ON/
OFF]
Condition of actuator posi-
tion switch 1
• Vehicle stopped
• Engine running
• A/T selector lever “N”
position
• Brake pedal depressed
4WD shift switch: 2WD
and 4LO
ON
4WD shift switch: 4H
OFF
SHIFT POS SW2 [ON/
OFF]
Condition of actuator posi-
tion switch 2
4WD shift switch: 4LO
ON
4WD shift switch: 2WD
and 4H
OFF
SHIFT POS SW3 [ON/
OFF]
Condition of actuator posi-
tion switch 3
4WD shift switch: 2WD
and 4H
ON
4WD shift switch: 4LO
OFF
SHIFT POS SW4 [ON/
OFF]
Condition of actuator posi-
tion switch 4
4WD shift switch: 4H and
4LO
ON
4WD shift switch: 2WD
OFF
4WD FAIL LAMP [ON/
OFF]
4WD warning lamp condi-
tion
4WD warning lamp: ON
ON
4WD warning lamp: OFF
OFF
2WD IND [ON/OFF]
Rear indicator of 4WD shift
indicator lamp condition
Rear indicator of 4WD shift indicator lamp: ON
ON
Rear indicator of 4WD shift indicator lamp: OFF
OFF
4H IND [ON/OFF]
Front and center indicator
of 4WD shift indicator lamp
condition
Front and center indicator of 4WD shift indicator lamp
: ON
ON
Front and center indicator of 4WD shift indicator lamp
: OFF
OFF
4L IND [ON/OFF]
4LO indicator lamp condi-
tion
4LO indicator lamp: ON
ON
4LO indicator lamp: OFF
OFF
Monitored item [Unit]
Content
Condition
Display value
2009 Pathfinder
TRANSFER CONTROL UNIT
DLN-235
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
Terminal Layout
AWDIA0620ZZ
Terminal
Wire
color
Item
Condition
Data (Approx.)
1
L
CAN-H
–
–
2
P
CAN-L
–
–
3
SB
K-LINE (CONSULT-III signal)
–
–
6
B
Ground
Always
0V
10
LG
Actuator position switch 1
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
4WD shift switch: 2WD and 4LO
0V
4WD shift switch: 4H
Battery voltage
11
W
Actuator position switch 2
4WD shift switch: 4LO
0V
4WD shift switch: 2WD and 4H
Battery voltage
12
BR
Actuator position switch 3
4WD shift switch: 2WD and 4H
0V
4WD shift switch: 4LO
Battery voltage
13
L
Actuator position switch 4
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery voltage
14
G
4WD shift switch (2WD)
Ignition switch: ON
4WD shift switch: 2WD
Battery voltage
4WD shift switch: 4H and 4LO
0V
15
O
4WD shift switch (4H)
4WD shift switch: 4H
Battery voltage
4WD shift switch: 2WD and 4LO
0V
16
W
4WD shift switch (4LO)
4WD shift switch: 4LO
Battery voltage
4WD shift switch: 2WD and 4H
0V
17
O
Wait detection switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery voltage
18
B
Ground
Always
0V
19
R
Power supply
(Memory back-up)
Ignition switch: ON
Battery voltage
Ignition switch: OFF
Battery voltage
23
R
ATP switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver “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
24
Y
4LO switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
4WD shift switch: 4LO
0V
Except the above
Battery voltage
2009 Pathfinder
DLN-236
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
25
W/G
Ignition switch monitor
Ignition switch: ON
Battery voltage
Ignition switch: OFF
0V
27
L
Actuator motor power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF (5 seconds after ingnition switch is turned
OFF)
0V
28
SB
Actuator motor (+)
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
When 4WD shift switch is operated (while
actuator motor is operating)
Battery voltage
→
0V
When 4WD shift switch is not operated
0V
31
G
Actuator motor (-)
Always
0V
32
B
Ground
Always
0V
35
V
4WD shift indicator lamp
(Rear indicator)
Engine running
Rear indicator of 4WD shift indicator lamp
: ON
0V
Rear indicator of 4WD shift indicator lamp
: OFF
Battery voltage
36
BR
4WD shift indicator lamp
(Front and center indicator)
Front and center indicator of 4WD shift in-
dicator lamp: ON
0V
Front and center indicator of 4WD shift in-
dicator lamp: OFF
Battery voltage
37
O
4LO indicator lamp
4LO indicator lamp: ON
0V
4LO indicator lamp: OFF
Battery voltage
38
GR
4WD warning lamp
4WD warning lamp: ON
0V
4WD warning lamp: OFF
Battery voltage
39
LG
ATP warning lamp
• Vehicle stopped
• Engine running
• A/T selector le-
ver “P” position
• Brake pedal de-
pressed
4WD shift switch: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)
Battery voltage
Except the above
0V
40
V
Transfer shut off relay
Ignition switch: ON
0V
Ignition switch: OFF (5 seconds after ingnition switch is turned
OFF)
Battery voltage
42
LG
Transfer shift high relay
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
4WD shift switch: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
0V
Except the above
Battery voltage
44
Y
Power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF (5 seconds after ingnition switch is turned
OFF)
0V
45
GR
Power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF (5 seconds after ingnition switch is turned
OFF)
0V
Terminal
Wire
color
Item
Condition
Data (Approx.)
2009 Pathfinder
TRANSFER CONTROL UNIT
DLN-237
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
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.
47
O
Transfer shift high relay moni-
tor
• Vehicle stopped
• Engine running
• A/T selector le-
ver “N” position
• Brake pedal de-
pressed
4WD shift switch: 2WD to 4H or 4H to 4LO
or 2WD to 4LO (while actuator motor is op-
erating)
Battery voltage
→
0V
Except the above
0V
48
R
Transfer shift low relay moni-
tor
4WD shift switch: 4LO to 4H or 4H to 2WD
or 4LO to 2WD (while actuator motor is op-
erating)
Battery voltage
→
0V
Except the above
0V
50
Y
Transfer shift low relay
4WD shift switch: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
0V
Except the above
Battery voltage
Terminal
Wire
color
Item
Condition
Data (Approx.)
2009 Pathfinder
DLN-238
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
Wiring Diagram
INFOID:0000000003937365
ABDWA0045GB
2009 Pathfinder
TRANSFER CONTROL UNIT
DLN-239
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
ABDWA0046GB
2009 Pathfinder
DLN-240
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
ABDWA0047GB
2009 Pathfinder
TRANSFER CONTROL UNIT
DLN-241
< ECU DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
ABDIA0117GB
2009 Pathfinder
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