Nissan Pathfinder (2011 year). Instruction — part 213

DLN-242

< ECU DIAGNOSIS INFORMATION >

[TRANSFER: TX15B]

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.

DTC Index

INFOID:0000000006245104

DTC CHART

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.)

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

[P1801] *INITIAL START*

Due to removal of battery which cuts off power sup-
ply to transfer control unit, self-diagnosis memory
function is suspended.

DLN-206

[P1802]

CONTROL UNIT (1,2,3)

Malfunction is detected in the memory (RAM) sys-
tem of transfer control unit.

DLN-209

[P1803]

Malfunction is detected in the memory (ROM) sys-
tem of transfer control unit.

[P1804]

Malfunction is detected in the memory (EEPROM)
system of transfer control unit.

[P1807] VHCL SPEED SEN·AT

• Malfunction is detected in output shaft revolution

signal that is output from TCM through CAN
communication.

• Improper signal is input while driving.

DLN-211

[P1808] VHCL SPEED SEN·ABS

• Malfunction is detected in vehicle speed signal

that is output from ABS actuator and electric unit
(control unit) through CAN communication.

• Improper signal is input while driving.

DLN-212

[P1809] CONTROL UNIT 4

AD converter system of transfer control unit is mal-
functioning.

DLN-209

[P1810] 4L POSI SW TF

Improper signal from 4LO switch is input due to
open or short circuit.

DLN-213

[P1811]

BATTERY VOLTAGE

Power supply voltage for transfer control unit is ab-
normally low while driving.

DLN-206

[P1813] 4WD MODE SW

More than two switch inputs are simultaneously de-
tected due to short circuit of 4WD shift switch.

DLN-216

[P1814] 4WD DETECT SWITCH

Improper signal from wait detection switch is input
due to open or short circuit.

DLN-219

[P1816] PNP SW/CIRC

When transmission range switch signal is malfunc-
tion or communication error between the modules.

DLN-222

2011 Pathfinder

TRANSFER CONTROL UNIT

DLN-243

< ECU DIAGNOSIS INFORMATION >

[TRANSFER: TX15B]

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NOTE:

If “SHIFT ACT POSI SW [P1818]” or “SHIFT ACT CIR [P1819]” is displayed, first erase self-diagnostic results. (“SHIFT ACT POSI SW
[P1818]” or “SHIFT ACT CIR [P1819]” may be displayed after installing transfer control unit or transfer assembly.)

FLASH CODE CHART

[P1817] SHIFT ACTUATOR

• Motor does not operate properly due to open or

short circuit in actuator motor.

• Malfunction is detected in the actuator motor.

(When 4WD shift switch is operated and actuator
motor is not operated)

• Malfunction is detected in transfer shift high relay

or transfer shift low relay.

DLN-223

[P1818] SHIFT ACT POSI SW

• Improper signal from actuator position switch is

input due to open or short circuit.

• Malfunction is detected in actuator position

switch.

DLN-230

[P1819] SHIFT ACT CIR

• Malfunction is detected in transfer shut off relay

1 and transfer shut off relay 2.

• Malfunction occurs in transfer control device

drive circuit.

DLN-233

[P1820] ENGINE SPEED SIG

• Malfunction is detected in engine speed signal

that is output from ECM through CAN communi-
cation.

• Improper signal is input while driving.

DLN-236

[U1010] CONTROL UNIT (CAN)

Detecting error during the initial diagnosis of CAN
controller of transfer control unit.

DLN-237

DTC

CONSULT-III

Diagnostic item is detected when...

Reference

Flashing pattern

Item

Diagnostic item is detected when...

Reference

2

Output shaft revolution
signal (from TCM)

• Malfunction is detected in output shaft revo-

lution signal that is output from TCM through
CAN communication.

• Improper signal is input while driving.

DLN-211

3

Vehicle speed signal
(from ABS)

• Malfunction is detected in vehicle speed sig-

nal that is output from ABS actuator and
electric unit (control unit) through CAN com-
munication.

• Improper signal is input while driving.

DLN-212

4

CAN communication

Malfunction has been detected from CAN
communication.

DLN-199

5

AD converter

AD converter system of transfer control unit is
malfunctioning.

DLN-209

6

4LO switch

Improper signal from 4LO switch is input due
to open or short circuit.

DLN-213

7

Engine speed signal

• Malfunction is detected in engine speed sig-

nal that is output from ECM through CAN
communication.

• Improper signal is input while driving.

DLN-236

8

Power supply

Power supply voltage for transfer control unit is
abnormally low while driving.

DLN-206

9

4WD shift switch

More than two switch inputs are simultaneous-
ly detected due to short circuit of 4WD shift
switch.

DLN-216

10

Wait detection switch

Improper signal from wait detection switch is
input due to open or short circuit.

DLN-219

2011 Pathfinder

DLN-244

< ECU DIAGNOSIS INFORMATION >

[TRANSFER: TX15B]

TRANSFER CONTROL UNIT

NOTE:

If actuator position switch” or transfer control device” is displayed, first erase self-diagnostic results. (They may be displayed after install-
ing transfer control unit or transfer assembly.)

11

Actuator motor

• Motor does not operate properly due to open

or short circuit in actuator motor.

• Malfunction is detected in the actuator mo-

tor. (When 4WD shift switch is operated and
actuator motor is not operated.)

• Malfunction is detected in transfer shift high

relay or transfer shift low relay.

DLN-223

12

Actuator position
switch

• Improper signal from actuator position

switch is input due to open or short circuit.

• Malfunction is detected in the actuator posi-

tion switch.

DLN-230

13

Transfer control device

• Malfunction is detected in transfer shut off

relay 1 and transfer shut off 2.

• Malfunction occurs in transfer control device

drive circuit.

,

DLN-233

14

Transmission range
switch signal

Transmission range switch signal is malfunc-
tion or communication error between the mod-
ules.

DLN-222

Repeats flickering

every 0.25 sec.

Data erase display

• Power supply failure of memory back-up.
• Battery is disconnected for a long time.
• Battery performance is poor.

DLN-206

Repeats flickering

every 2 to 5 sec.

—

Circuits that the self-diagnosis covers have no
malfunction.

—

No flickering

Transmission range
switch or 4WD shift
switch

Transmission range switch or 4WD shift switch
circuit is shorted or open.

DLN-222

or

DLN-216

Flashing pattern

Item

Diagnostic item is detected when...

Reference

2011 Pathfinder

PART TIME 4WD SYSTEM

DLN-245

< WIRING DIAGRAM >

[TRANSFER: TX15B]

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WIRING DIAGRAM

PART TIME 4WD SYSTEM

Wiring Diagram

INFOID:0000000006245103

ABDWA0583GB

2011 Pathfinder

DLN-246

< WIRING DIAGRAM >

[TRANSFER: TX15B]

PART TIME 4WD SYSTEM

ABDWA0586GB

2011 Pathfinder

PART TIME 4WD SYSTEM

DLN-247

< WIRING DIAGRAM >

[TRANSFER: TX15B]

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DLN

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ABDWA0147GB

2011 Pathfinder

DLN-248

< WIRING DIAGRAM >

[TRANSFER: TX15B]

PART TIME 4WD SYSTEM

ABDIA0891GB

2011 Pathfinder

PART TIME 4WD SYSTEM

DLN-249

< WIRING DIAGRAM >

[TRANSFER: TX15B]

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ABDIA0118GB

2011 Pathfinder