Nissan Pathfinder (2011 year). Instruction — part 483
LAN
AV BRANCH LINE CIRCUIT
LAN-77
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247798
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 AV 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 AV control unit.
2. Check the resistance between the AV control unit harness connector terminals.
-
With BOSE audio system with navigation system
-
With BOSE audio system without navigation system
-
With mid audio system
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the AV control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
• With BOSE audio system with navigation system:
AV-334, "AV CONTROL UNIT : Diagnosis Procedure"
• With BOSE audio system without navigation system:
AV-163, "AV CONTROL UNIT : Diagnosis Procedure"
• With mid audio system:
AV-64, "AV CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the AV control unit. Refer to the following.
• With BOSE audio system with navigation system:
AV-420, "Removal and Installation"
• With BOSE audio system without navigation system:
AV-256, "Removal and Installation"
• With mid audio system:
AV-113, "Removal and Installation"
YES (Past error)>>Error was detected in the AV control unit branch line.
NO
>> Repair the power supply and the ground circuit.
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M48
99
100
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M70
86
87
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M135
86
87
Approx. 54 – 66
2011 Pathfinder
LAN-78
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
I-KEY BRANCH LINE CIRCUIT
I-KEY BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247799
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.
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.
M164
2
3
Approx. 54 – 66
2011 Pathfinder
LAN
4WD BRANCH LINE CIRCUIT
LAN-79
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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4WD BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247800
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 transfer control unit connector 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 transfer control unit.
2. Check the resistance between the transfer control unit harness connector terminals.
-
All-mode 4WD models
-
Part time 4WD models
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the transfer control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the transfer control unit. Refer to the following.
• All-mode 4WD models:
• Part time 4WD models:
DLN-206, "Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the transfer control unit. Refer to the following.
• All-mode 4WD models:
DLN-140, "Removal and Installation"
• Part time 4WD models:
DLN-277, "Removal and Installation"
YES (Past error)>>Error was detected in the transfer control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Transfer control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M152
7
8
Approx. 54 – 66
Transfer control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M165
1
2
Approx. 54 – 66
2011 Pathfinder
LAN-80
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
ADP BRANCH LINE CIRCUIT
ADP BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247801
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).
-
Driver seat control unit
-
Harness connector B200
-
Harness connector B37
-
Harness connector B69
-
Harness connector M40
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 driver seat control unit.
2. Check the resistance between the driver seat control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the driver seat control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the driver seat control unit. Refer to
CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the driver seat control unit. Refer to
ADP-148, "Removal and Installation"
YES (Past error)>>Error was detected in the driver seat control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Driver seat control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B202
3
19
Approx. 54 – 66
2011 Pathfinder
LAN
BCM BRANCH LINE CIRCUIT
LAN-81
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247802
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 BCM 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 BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the BCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-55, "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.
M18
39
40
Approx. 54 – 66
2011 Pathfinder
LAN-82
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
DLC BRANCH LINE CIRCUIT
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247803
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 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 data link connector branch line circuit.
NO
>> Repair the data link connector branch line.
Data link connector
Resistance (
Ω
)
Connector No.
Terminal No.
M22
6
14
Approx. 54 – 66
2011 Pathfinder
LAN
HVAC BRANCH LINE CIRCUIT
LAN-83
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247804
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 A/C auto amp. 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 A/C auto amp.
2. Check the resistance between the A/C auto amp. harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the A/C auto amp. branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to
and Ground Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the front air control. Refer to
VTL-7, "Removal and Installation"
YES (Past error)>>Error was detected in the A/C auto amp. branch line.
NO
>> Repair the power supply and the ground circuit.
A/C auto amp. harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M50
41
40
Approx. 54 – 66
2011 Pathfinder
LAN-84
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
M&A BRANCH LINE CIRCUIT
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247805
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
MWI-88, "Removal and Installation"
.
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.
M24
12
11
Approx. 54 – 66
2011 Pathfinder
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