Nissan Qashqai (2007-2010). Manual — part 1808
LAN
4WD BRANCH LINE CIRCUIT
LAN-1257
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 86)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
4WD BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001058696
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the 4WD control unit connector for damage, bend and loose con-
nection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of 4WD control unit.
2.
Check the resistance between the 4WD control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the 4WD control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the 4WD control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>•Replace the 4WD control unit. Refer to the following.
- RHD models:
- LHD models:
YES (Past error)>>Error was detected in the 4WD control unit branch line.
NG
>> Repair the power supply and the ground circuit.
4WD control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M69
8
16
Approx. 54 – 66
LAN-1258
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 86)]
BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001058697
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and
connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of BCM.
2.
Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the BCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
.
YES (Past error)>>Error was detected in the BCM branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M65
19
20
Approx. 54 – 66
LAN
M&A BRANCH LINE CIRCUIT
LAN-1259
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 86)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001058698
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the combination meter for damage, bend and loose connection
(unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of combination meter.
2.
Check the resistance between the combination meter harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the combination meter branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the combination meter. Refer to
YES (Past error)>>Error was detected in the combination meter branch line.
NO
>> Repair the power supply and the ground circuit.
Combination meter harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M34
21
22
Approx. 54 – 66
LAN-1260
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 86)]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001058699
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
NAVI control unit
-
Harness connector B2
-
Harness connector M12
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of NAVI control unit.
2.
Check the resistance between the NAVI control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the NAVI control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the NAVI control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the NAVI control unit. Refer to
YES (Past error)>>Error was detected in the NAVI control unit branch line.
NO
>> Repair the power supply and the ground circuit.
NAVI control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B96
71
72
Approx. 54 – 66
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