Nissan Qashqai J11. Manual — part 1871
LAN
MAIN LINE BETWEEN DLC AND CCM CIRCUIT
LAN-77
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN DLC AND CCM CIRCUIT
Diagnosis Procedure
INFOID:0000000010272938
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect the following harness connectors.
-
ECM
-
Chassis control module
4.
Check the continuity between the data link connector and the chassis control module harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the chassis con-
trol module.
NO
>> Repair the main line between the data link connector and the chassis control module.
Data link connector
Chassis control module harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M21
6
M43
4
Existed
14
3
Existed
LAN-78
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN CCM AND 4WD CIRCUIT
MAIN LINE BETWEEN CCM AND 4WD CIRCUIT
Diagnosis Procedure
INFOID:0000000010272939
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 (connector side
and harness side).
-
Harness connector M15
-
Harness connector B19
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the following harness connectors.
-
Chassis control module
-
Harness connectors M15 and B19
2.
Check the continuity between the chassis control module harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the chassis control module and the harness connector M15.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of 4WD control unit.
2.
Check the continuity between the harness connector and the 4WD control unit.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the chassis control module and the 4WD
control unit.
NO
>> Repair the main line between the harness connector B19 and the 4WD control unit.
Chassis control module harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M43
4
M15
25
Existed
3
24
Existed
Harness connector
4WD control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B19
25
B1
8
Existed
24
16
Existed
LAN
MAIN LINE BETWEEN HVAC AND LANE CIRCUIT
LAN-79
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN HVAC AND LANE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272941
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 (connector side
and harness side).
-
Harness connector M58
-
Harness connector R4
Is the inspection result normal?
YES-1 >> With automatic air conditioner: GO TO 2.
YES-2 >> Except automatic air conditioner: GO TO 4.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the following harness connectors.
-
Harness connectors M42 and M137
-
Harness connectors M58 and R4
2.
Check the continuity between the harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the A/C auto amp. and the harness connector M58.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of front camera unit.
2.
Check the continuity between the harness connector and the front camera unit harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the A/C auto amp. and the front camera unit.
NO
>> Repair the main line between the harness connector R4 and the front camera unit.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the following harness connectors.
-
A/C amp.
-
Harness connectors M58 and R4
2.
Check the continuity between the A/C amp. harness connector and the harness connector.
Is the inspection result normal?
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M42
7
M58
13
Existed
23
14
Existed
Harness connector
Front camera unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
R4
13
R1
2
Existed
14
3
Existed
A/C amp. harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M50
7
M58
13
Existed
23
14
Existed
LAN-80
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN HVAC AND LANE CIRCUIT
YES
>> GO TO 5.
NO
>> Repair the main line between the A/C amp. and the harness connector M58.
5.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of front camera unit.
2.
Check the continuity between the harness connector and the front camera unit harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the A/C amp. and the front camera unit.
NO
>> Repair the main line between the harness connector R4 and the front camera unit.
Harness connector
Front camera unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
R4
13
R1
2
Existed
14
3
Existed
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