Nissan Pathfinder (2011 year). Manual - 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

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

→

Except the above

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

→

Except the above

Transfer shift low relay

4WD shift switch: 4LO to 4H or 4H to 2WD
or 4LO to 2WD

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]

DLN

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

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

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

CAN communication

Malfunction has been detected from CAN
communication.

DLN-199

AD converter

AD converter system of transfer control unit is
malfunctioning.

DLN-209

4LO switch

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

DLN-213

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

Power supply

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

DLN-206

4WD shift switch

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

DLN-216

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.)

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

Actuator position
switch

• Improper signal from actuator position

switch is input due to open or short circuit.

• Malfunction is detected in the actuator posi-