Nissan X-Trail 32. Instruction — part 661
P1811 BATTERY VOLTAGE
DLN-55
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK 4WD 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 4WD control unit harness connector and fuse block (J/B) harness connec-
tor.
5.
Check the continuity between 4WD 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 4WD CONTROL UNIT POWER SUPPLY (3)
1.
Turn the ignition switch OFF.
2.
Check the voltage between 4WD control unit harness connector and ground.
3.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
4.
Check the voltage between 4WD control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK 4WD 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 4WD control unit harness connector and fuse block (J/B) harness connec-
tor.
4WD control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
B5
7
M3
7C
Existed
4WD control unit
—
Continuity
Connector
Terminal
B5
7
Ground
Not existed
4WD control unit
—
Voltage (Approx.)
Connector
Terminal
B5
15
Ground
Battery voltage
4WD control unit
—
Voltage
Connector
Terminal
B5
15
Ground
Battery voltage
4WD control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
B5
15
B107
6H
Existed
DLN-56
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
P1811 BATTERY VOLTAGE
5.
Check the continuity between 4WD 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 4WD CONTROL UNIT GROUND
1.
Turn the ignition switch OFF.
2.
Check the continuity between 4WD 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 4WD 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 4WD control unit. Refer to
DLN-76, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
4WD control unit
—
Continuity
Connector
Terminal
B5
15
Ground
Not existed
4WD control unit
—
Continuity
Connector
Terminal
B5
10
Ground
Existed
11
P181B INCOMPLETE SELFSHUT
DLN-57
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P181B INCOMPLETE SELFSHUT
DTC Description
INFOID:0000000010992002
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Malfunction of 4WD control unit power supply circuit (open or short)
• Battery power supply
• Ignition power supply
• Internal malfunction of 4WD 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-diagnosis for “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:0000000010992003
1.
CHECK 4WD CONTROL UNIT POWER SUPPLY (1)
1.
Turn the ignition switch OFF.
2.
Disconnect 4WD control unit harness connector.
3.
Check the voltage between 4WD control unit harness connector and ground.
4.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
5.
Check the voltage between 4WD 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 4WD control unit
was incomplete.
4WD control unit
—
Voltage (Approx.)
Connector
Terminal
B5
7
Ground
0 V
4WD control unit
—
Voltage
Connector
Terminal
B5
7
Ground
Battery voltage
DLN-58
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
P181B INCOMPLETE SELFSHUT
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK 4WD 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 4WD control unit harness connector and fuse block (J/B) harness connec-
tor.
5.
Check the continuity between 4WD 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 4WD CONTROL UNIT POWER SUPPLY (3)
1.
Turn the ignition switch OFF.
2.
Check the voltage between 4WD control unit harness connector and ground.
3.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
4.
Check the voltage between 4WD control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK 4WD 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 4WD control unit harness connector and fuse block (J/B) harness connec-
tor.
5.
Check the continuity between 4WD control unit harness connector and the ground.
4WD control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
B5
7
M3
7C
Existed
4WD control unit
—
Continuity
Connector
Terminal
B5
7
Ground
Not existed
4WD control unit
—
Voltage (Approx.)
Connector
Terminal
B5
15
Ground
Battery voltage
4WD control unit
—
Voltage
Connector
Terminal
B5
15
Ground
Battery voltage
4WD control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
B5
15
B107
6H
Existed
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст