Nissan Qashqai J11. Manual — part 1876
LAN
BCM BRANCH LINE CIRCUIT
LAN-97
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010376797
1.
CHECK DTC
Check DTC of the CAN gateway with CONSULT.
Is B2600-46 or B2600-55 indicated?
YES
>> Perform a diagnosis of the indicated DTC.
NO
>> GO TO 2.
2.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of BCM for damage, bend and loose connection (unit side and con-
nector side).
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the terminal and connector.
3.
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 4.
NO
>> Repair the BCM branch line.
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
BCS-128, "Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-135, "Removal and Installation"
.
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.
B4
20
40
Approx. 54 – 66
LAN-98
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272952
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
-
BCM
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of BCM.
2.
Check the continuity between the BCM harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the harness and repair the root cause (CAN communication circuit 2 side).
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Connect the connector of BCM.
2.
Disconnect the connector of NAVI control unit.
3.
Check the resistance between the NAVI control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the NAVI control unit branch line.
4.
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
AV-268, "Removal and Installation"
YES (Past error)>>Error was detected in the NAVI control unit branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Continuity
Connector No.
Terminal No.
M70
46
48
Existed
45
49
Existed
NAVI control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M48
8
17
Approx. 54 – 66
LAN
AVM BRANCH LINE CIRCUIT
LAN-99
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
AVM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272953
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).
-
Around view monitor control unit
-
BCM
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of BCM.
2.
Check the continuity between the BCM harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the harness and repair the root cause (CAN communication circuit 2 side).
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Connect the connector of BCM.
2.
Disconnect the connector of around view monitor control unit.
3.
Check the resistance between the around view monitor control unit harness connector terminals.
-
With pump control unit
-
Without pump control unit
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the around view monitor control unit branch line.
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the around view monitor control unit. Refer to
"AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the around view monitor control unit. Refer to
AV-276, "Removal and Installa-
.
YES (Past error)>>Error was detected in the around view monitor control unit branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Continuity
Connector No.
Terminal No.
M70
46
48
Existed
45
49
Existed
Around view monitor control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M7
27
28
Approx. 54 – 66
Around view monitor control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M95
12
10
Approx. 54 – 66
LAN-100
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
HVAC BRANCH LINE CIRCUIT
HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272954
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).
-
A/C amp. (Except automatic air conditioner)
-
A/C auto amp. (With automatic air conditioner)
-
Harness connector M137 (With automatic air conditioner)
-
Harness connector M42 (With automatic air conditioner)
-
BCM
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of BCM.
2.
Check the continuity between the BCM harness connector terminals.
Is the inspection result normal?
YES-1 >> Except automatic air conditioner: GO TO 3.
YES-2 >> With automatic air conditioner: GO TO 5.
NO
>> Check the harness and repair the root cause (CAN communication circuit 2 side).
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Connect the connector of BCM.
2.
Disconnect the connector of A/C amp.
3.
Check the resistance between the A/C amp. harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the A/C amp. branch line.
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C amp. Refer to the following.
• Manual air conditioning:
HAC-207, "A/C AMP. : Diagnosis Procedure"
HAC-284, "A/C AMP. : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the A/C amp. Refer to the following.
• Manual air conditioning:
HAC-226, "Removal and Installation"
• Manual heater:
HAC-295, "Removal and Installation"
YES (Past error)>>Error was detected in the A/C amp. branch line.
NO
>> Repair the power supply and the ground circuit.
5.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Connect the connector of BCM.
BCM harness connector
Continuity
Connector No.
Terminal No.
M70
46
48
Existed
45
49
Existed
A/C amp. harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M50
7
23
Approx. 54 – 66
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