Nissan Qashqai (2007-2010). Manual — part 1687
![](/vehicle/qul/ene/lirlel/itr.png)
LAN
M&A BRANCH LINE CIRCUIT
LAN-773
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 51)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001056931
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
![](/vehicle/qul/ene/lirlel/geemingenown.png)
LAN-774
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 51)]
DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001056933
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 data link connector for damage, bend and loose connection
(connector side and harness side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification?
YES (Present error)>>Check the CAN system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO
>> Repair the data link connector branch line.
Data link connector
Resistance (
Ω
)
Connector No.
Terminal No.
M4
6
14
Approx. 54 – 66
![](/vehicle/qul/ene/lirlel/eneng.png)
LAN
EPS BRANCH LINE CIRCUIT
LAN-775
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 51)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
EPS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001056934
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 EPS control unit 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 EPS control unit.
2.
Check the resistance between the EPS control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the EPS control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the EPS control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the EPS control unit. Refer to
YES (Past error)>>Error was detected in the EPS control unit branch line.
NO
>> Repair the power supply and the ground circuit.
EPS control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M37
8
6
Approx. 54 – 66
![](/vehicle/qul/ene/lirlel/zwhe.png)
LAN-776
< COMPONENT DIAGNOSIS >
[CAN SYSTEM (TYPE 51)]
I-KEY BRANCH LINE CIRCUIT
I-KEY BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000001056935
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 Intelligent Key unit 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 Intelligent Key unit.
2.
Check the resistance between the Intelligent Key unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the Intelligent Key unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the Intelligent Key unit. Refer to
KEY UNIT : Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the Intelligent Key unit. Refer to
SEC-11, "Component Parts Location"
YES (Past error)>>Error was detected in the Intelligent Key unit branch line.
NO
>> Repair the power supply and the ground circuit.
Intelligent Key unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M40
2
3
Approx. 54 – 66
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