Nissan Pathfinder (2008 year). Manual — part 477
LAN
CAN COMMUNICATION SYSTEM
LAN-71
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ALMIA0125GB
LAN-72
< COMPONENT DIAGNOSIS >
[CAN]
MALFUNCTION AREA CHART
MALFUNCTION AREA CHART
Main Line
INFOID:0000000001316392
Branch Line
INFOID:0000000001316393
Short Circuit
INFOID:0000000001316394
Malfunction Area
Reference
Main line between TCM and data link connector
Main line between TCM and Intelligent Key unit
Main line between Intelligent Key unit and data link connector
Main line between data link connector and ABS actuator and
electric unit (control unit)
Malfunction Area
Reference
ECM branch line circuit
TCM branch line circuit
Intelligent Key unit branch line circuit
Transfer control unit branch line circuit
Driver seat control unit branch line circuit
AV control unit branch line circuit
BCM branch line circuit
Data link connector branch line circuit
A/C auto amp. branch line circuit
Combination meter branch line circuit
Steering angle sensor branch line circuit
ABS actuator and electric unit (control unit) branch line circuit
IPDM E/R branch line circuit
Malfunction Area
Reference
CAN communication circuit
LAN
MAIN LINE BETWEEN TCM AND DLC CIRCUIT
LAN-73
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN TCM AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000001316395
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 (connector side
and harness side).
-
Harness connector F14
-
Harness connector E5
-
Harness connector E152
-
Harness connector M31
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.
-
A/T assembly
-
Harness connectors F14 and E5
2.
Check the continuity between the A/T assembly harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the A/T assembly and the harness connector F14.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors E152 and M31.
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the main line between the harness connectors E5 and E152.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Check the following items again.
• Decision of CAN system type.
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F9
3
F14
2
Existed
8
3
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E5
2
E152
52G
Existed
3
51G
Existed
Harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M31
52G
M22
6
Existed
51G
14
Existed
LAN-74
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN TCM AND DLC CIRCUIT
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the TCM and the data link connector.
NO
>> Repair the main line between the harness connector M31 and the data link connector.
LAN
MAIN LINE BETWEEN TCM AND I-KEY CIRCUIT
LAN-75
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN TCM AND I-KEY CIRCUIT
Diagnosis Procedure
INFOID:0000000001318830
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 (connector side
and harness side).
-
Harness connector F14
-
Harness connector E5
-
Harness connector E152
-
Harness connector M31
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.
-
A/T assembly
-
Harness connectors F14 and E5
2.
Check the continuity between the A/T assembly harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the A/T assembly and the harness connector F14.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors E152 and M31.
2.
Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the main line between the harness connectors E5 and E152.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of Intelligent Key unit.
2.
Check the continuity between the harness connector and the Intelligent Key unit harness connector.
Is the inspection result normal?
YES (Present error)>>Check the following items again.
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F9
3
F14
2
Existed
8
3
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E5
2
E152
52G
Existed
3
51G
Existed
Harness connector
Intelligent Key unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M31
52G
M164
2
Existed
51G
3
Existed
LAN-76
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN TCM AND I-KEY CIRCUIT
• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the TCM and the Intelligent Key unit.
NO
>> Repair the main line between the harness connector M31 and the Intelligent Key unit.
LAN
MAIN LINE BETWEEN I-KEY AND DLC CIRCUIT
LAN-77
< COMPONENT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN I-KEY AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000001316398
INSPECTION PROCEDURE
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
-
Intelligent Key unit
4.
Check the continuity between the Intelligent Key unit harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)>>Check the following items again.
• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the Intelligent Key unit and the data link con-
nector.
NO
>> Repair the main line between the Intelligent Key unit and the data link connector.
Intelligent Key unit harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M164
2
M22
6
Existed
3
14
Existed
LAN-78
< COMPONENT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN DLC AND ABS CIRCUIT
MAIN LINE BETWEEN DLC AND ABS CIRCUIT
Diagnosis Procedure
INFOID:0000000001316400
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 (connector side
and harness side).
-
Harness connector M91
-
Harness connector E26
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors M91 and E26.
2.
Check the continuity between the data link connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the data link connector and the harness connector M91.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of ABS actuator and electric unit (control unit).
2.
Check the continuity between the harness connector and the ABS actuator and electric unit (control unit)
harness connector.
Is the inspection result normal?
YES (Present error)>>Check the following items again.
• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the data link connector and the ABS actuator
and electric unit (control unit).
NO
>> Repair the main line between the harness connector E26 and the ABS actuator and electric unit
(control unit).
Data link connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M22
6
M91
11
Existed
14
10
Existed
Harness connector
ABS actuator and electric unit (control unit)
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E26
11
E125
11
Existed
10
15
Existed
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