Nissan Rogue. Manual - part 401

DLN-48

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY21C]

P1811 BATTERY VOLTAGE

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK AWD CONTROL UNIT POWER SUPPLY (2)

1. Turn the ignition switch OFF.

2. Check the 10A fuse (#30).

3. Disconnect fuse block (J/B) harness connector.

4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connec-

tor.

5. Check the continuity between AWD control unit harness connector and the ground.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for ignition power supply circuit. Refer to 

PG-24, "Wiring Diagram

— Ignition Power Supply —"

.

NO

>> Repair or replace error-detected parts.

3.

CHECK AWD CONTROL UNIT POWER SUPPLY (3)

1. Turn the ignition switch OFF.

2. Check the voltage between AWD control unit harness connector and ground.

3. Turn the ignition switch ON.

CAUTION:

Never start the engine.

4. Check the voltage between AWD control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK AWD CONTROL UNIT POWER SUPPLY (4)

1. Turn the ignition switch OFF.

2. Check the 5A fuse (#2).

3. Disconnect fuse block (J/B) harness connector.

4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connec-

tor.

AWD control unit

—

Voltage 

Connector

Terminal

B75

7

Ground

Battery voltage

AWD control unit

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

B75

7

M44

7P

Yes

AWD control unit

—

Continuity

Connector

Terminal

B75

7

Ground

No

AWD control unit

—

Voltage (Approx.)

Connector

Terminal

B75

15

Ground

Battery voltage

AWD control unit

—

Voltage 

Connector

Terminal

B75

15

Ground

Battery voltage

P1811 BATTERY VOLTAGE

DLN-49

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY21C]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

5. Check the continuity between AWD control unit harness connector and the ground.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit. Refer to 

PG-13, "Wiring Diagram — Bat-

tery Power Supply —"

.

NO

>> Repair or replace error-detected parts.

5.

CHECK AWD CONTROL UNIT GROUND

1. Turn the ignition switch OFF.

2. Check the continuity between AWD control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK TERMINALS AND HARNESS CONNECTORS

Check AWD control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> After turning the ignition switch OFF, perform DTC confirmation procedure again. When DTC

“P1811” is detected, Replace AWD control unit. Refer to 

DLN-68, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

AWD control unit

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

B75

15

B30

6Q

Yes

AWD control unit

—

Continuity

Connector

Terminal

B75

15

Ground

No

AWD control unit

—

Continuity

Connector

Terminal

B75

10

Ground

Yes

11

DLN-50

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY21C]

P181B INCOMPLETE SELFSHUT

P181B INCOMPLETE SELFSHUT

DTC Description

INFOID:0000000011278336

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Malfunction of AWD control unit power supply circuit (open or short)

• Battery power supply

• Ignition power supply

• Internal malfunction of AWD control unit

FAIL-SAFE

No impact to vehicle behavior.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and

wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

DTC REPRODUCTION PROCEDURE

 With CONSULT

1. Turn the ignition switch ON.

2. Perform “Self Diagnostic Result” of “ALL MODE AWD/4WD”.
Is DTC “P181B” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

DLN-50, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: Inspection End.

Diagnosis Procedure

INFOID:0000000011278337

1.

CHECK AWD CONTROL UNIT POWER SUPPLY (1)

1. Turn the ignition switch OFF.

2. Disconnect AWD control unit harness connector.

3. Check the voltage between AWD control unit harness connector and ground.

4. Turn the ignition switch ON.

CAUTION:

Never start the engine.

5. Check the voltage between AWD control unit harness connector and ground.

Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P181B

INCOMP SELF SHUT
(Incomplete self shut)

When ignition switch is ON, self-shut of AWD control unit 
was incomplete.

AWD control unit

—

Voltage (Approx.)

Connector

Terminal

B75

7

Ground

0 V

AWD control unit

—

Voltage 

Connector

Terminal

B75

7

Ground

Battery voltage

P181B INCOMPLETE SELFSHUT

DLN-51

< DTC/CIRCUIT DIAGNOSIS >

[TRANSFER: TY21C]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK AWD CONTROL UNIT POWER SUPPLY (2)

1. Turn the ignition switch OFF.

2. Check the 10A fuse (#30).

3. Disconnect fuse block (J/B) harness connector.

4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connec-

tor.

5. Check the continuity between AWD control unit harness connector and the ground.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for ignition power supply circuit. Refer to 

PG-24, "Wiring Diagram

— Ignition Power Supply —"

.

NO

>> Repair or replace error-detected parts.

3.

CHECK AWD CONTROL UNIT POWER SUPPLY (3)

1. Turn the ignition switch OFF.

2. Check the voltage between AWD control unit harness connector and ground.

3. Turn the ignition switch ON.

CAUTION:

Never start the engine.

4. Check the voltage between AWD control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK AWD CONTROL UNIT POWER SUPPLY (4)

1. Turn the ignition switch OFF.

2. Check the 5A fuse (#2).

3. Disconnect fuse block (J/B) harness connector.

4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connec-

tor.

5. Check the continuity between AWD control unit harness connector and the ground.

AWD control unit

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

B75

7

M44

7P

Yes

AWD control unit

—

Continuity

Connector

Terminal

B75

7

Ground

No

AWD control unit

—

Voltage (Approx.)

Connector

Terminal

B75

15

Ground

Battery voltage

AWD control unit

—

Voltage 

Connector

Terminal

B75

15

Ground

Battery voltage

AWD control unit

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

B75

15

B30

6Q

Yes