Nissan Pathfinder. Manual — part 777
LAN
MAIN LINE BETWEEN IPDM-E AND ABS CIRCUIT
LAN-61
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
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B
A
O
P
N
MAIN LINE BETWEEN IPDM-E AND ABS CIRCUIT
Diagnosis Procedure
INFOID:0000000009174952
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
-
IPDM E/R
-
ABS actuator and electric unit (control unit)
4. Check the continuity between the IPDM E/R harness connector and the ABS actuator and electric unit
(control 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 IPDM E/R and the ABS actuator and
electric unit (control unit).
NO
>> Repair the main line between the IPDM E/R and the ABS actuator and electric unit (control unit).
IPDM E/R harness connector
ABS actuator and electric unit (control unit)
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E119
29
E125
25
Existed
28
15
Existed
LAN-62
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN ABS AND DLC CIRCUIT
MAIN LINE BETWEEN ABS AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000009174953
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 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.
-
ABS actuator and electric unit (control unit)
-
Harness connectors E152 and M31.
2. Check the continuity between the ABS actuator and electric unit (control unit) harness connector and the
harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the ABS actuator and electric unit (control unit) and the harness
connector E152.
3.
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 CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the ABS actuator and electric unit (control
unit) and the data link connector.
NO
>> Repair the main line between the harness connector M31 and the data link connector.
ABS actuator and electric unit (control unit) harness
connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E125
25
E152
36G
Existed
15
35G
Existed
Harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M31
36G
M22
6
Existed
35G
14
Existed
LAN
MAIN LINE BETWEEN DLC AND 4WD CIRCUIT
LAN-63
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN DLC AND 4WD CIRCUIT
Diagnosis Procedure
INFOID:0000000009174954
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 M40
-
Harness connector B69
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 M40 and B69.
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 M40.
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 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 4WD control
unit.
NO
>> Repair the main line between the harness connector B69 and the 4WD control unit.
Data link connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M22
6
M40
89A
Existed
14
90A
Existed
Harness connector
4WD control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B69
89A
B67
8
Existed
90A
16
Existed
LAN-64
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN DLC AND ADP CIRCUIT
MAIN LINE BETWEEN DLC AND ADP CIRCUIT
Diagnosis Procedure
INFOID:0000000009174955
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 M40
-
Harness connector B69
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 M40 and B69.
2. Check the continuity between the data link connector and the harness connector.
-
Without around view monitor
-
With around view monitor
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the data link connector and the harness connector M40.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors B54 and B200.
2. Check the continuity between the harness connectors
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 driver seat
control unit.
NO
>> Repair the main line between the harness connectors B69 and B54.
Data link connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M22
6
M40
89A
Existed
14
90A
Existed
Data link connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M22
13
M40
89A
Existed
12
90A
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B69
89A
B54
2
Existed
90A
1
Existed
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