Nissan Qashqai J11. Manual — part 786
DLN-60
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010755283
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?
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.
4WD control unit
—
Voltage (Approx.)
Connector
Terminal
B5
7
Ground
0 V
4WD control unit
—
Voltage
Connector
Terminal
B5
7
Ground
Battery voltage
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
POWER SUPPLY AND GROUND CIRCUIT
DLN-61
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
C
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A
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DLN
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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.
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 SOLENOID POWER SUPPLY (1)
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 7.
NO
>> GO TO 6.
6.
CHECK 4WD SOLENOID POWER SUPPLY (2)
1.
Turn the ignition switch OFF.
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
4WD control unit
—
Continuity
Connector
Terminal
B5
15
Ground
Not existed
4WD control unit
—
Voltage
Connector
Terminal
B5
9
Ground
Battery voltage
4WD control unit
—
Voltage
Connector
Terminal
B5
9
Ground
Battery voltage
DLN-62
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
POWER SUPPLY AND GROUND CIRCUIT
2.
Check the 10A fuse (#6).
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 power supply circuit. Refer to
NO
>> Repair or replace error-detected parts.
7.
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
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
4WD control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
B5
9
M2
15B
Existed
4WD control unit
—
Continuity
Connector
Terminal
B5
9
Ground
Not existed
4WD control unit
—
Continuity
Connector
Terminal
B5
10
Ground
Existed
11
4WD INDICATOR LAMP
DLN-63
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
4WD INDICATOR LAMP
Component Function Check
INFOID:0000000010755284
1.
4WD INDICATOR LAMP OPERATION CHECK
Check that 4WD indicator lamp turns ON for several seconds after the ignition switch is turned ON.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000010755285
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is any DTC detected?
YES
>> Perform trouble diagnosis for detected DTC. Refer to
NO
>> GO TO 2.
2.
CHECK 4WD MODE SWITCH
Perform the trouble diagnosis for 4WD mode switch. Refer to
.
Is the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace the error-detected parts.
3.
CHECK 4WD INDICATOR LAMP SIGNAL
With CONSULT
1.
Start the engine.
CAUTION:
Stop the vehicle.
2.
Change 4WD mode switch from "2WD” to “AUTO”.
3.
Check “4WD MODE MON” in “DATA MONITOR” for “ALL MODE AWD/4WD”.
Does the item on “DATA MONITOR” indicate “AUTO”?
YES
>> Perform the trouble diagnosis for combination meter power supply and ground circuit. Refer to
MWI-61, "COMBINATION METER : Diagnosis Procedure"
NO
>> Replace 4WD control unit. Refer to
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