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
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
.
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
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
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
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