Nissan Pathfinder. Manual — part 807
LAN
ADP BRANCH LINE CIRCUIT
LAN-181
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
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ADP BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009175072
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 B54
-
CAN gateway (Models with around view monitor)
Is the inspection result normal?
YES-1 >> Models with around view monitor: GO TO 2.
YES-2 >> Models without around view monitor: GO TO 3.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of CAN gateway.
2. Check the continuity between the CAN gateway 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 CAN gateway. (Models with around view monitor)
2. Disconnect the connector of driver seat control unit.
3. Check the resistance between the driver seat control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the driver seat control unit branch line.
4.
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-161, "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.
CAN gateway harness connector
Continuity
Connector No.
Terminal No.
M5
4
6
Existed
10
12
Existed
Driver seat control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
B209
16
32
Approx. 54 – 66
LAN-182
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
PWBD BRANCH LINE CIRCUIT
PWBD BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009175073
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).
-
Automatic back door control module
-
CAN gateway (Models with around view monitor)
Is the inspection result normal?
YES-1 >> Models with around view monitor: GO TO 2.
YES-2 >> Models without around view monitor: GO TO 3.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of CAN gateway.
2. Check the continuity between the CAN gateway 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 CAN gateway. (Models with around view monitor)
2. Disconnect the connector of automatic back door control module.
3. Check the resistance between the automatic back door control module harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Replace the body harness.
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the automatic back door control module. Refer to
"AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the automatic back door control module. Refer to
YES (Past error)>>Error was detected in the automatic back door control module branch line.
NO
>> Repair the power supply and the ground circuit.
CAN gateway harness connector
Continuity
Connector No.
Terminal No.
M5
4
6
Existed
10
12
Existed
Automatic back door control module harness connector
Resistance (
Ω)
Connector No.
Terminal No.
B55
24
12
Approx. 54 – 66
LAN
BCM BRANCH LINE CIRCUIT
LAN-183
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009175074
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).
-
BCM
-
Harness connector M84 (Models without around view monitor)
-
Harness connector B101 (Models without around view monitor)
-
Harness connector B124 (Models without around view monitor)
-
Harness connector B32 (Models without around view monitor)
-
Harness connector B69 (2WD models without automatic back door system)
-
Harness connector M40 (2WD models without automatic back door system)
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-80, "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.
M19
60
59
Approx. 108 – 132
LAN-184
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 1)
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 1)
Diagnosis Procedure
INFOID:0000000009175075
1.
CHECK DTC
Check DTC of the CAN gateway with CONSULT.
Is U1010 or B2600 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 the CAN gateway for damage, bend and loose connection (unit
side and connector 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 CAN gateway.
2. Check the resistance between the CAN gateway harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the CAN gateway branch line (CAN communication circuit 1 side).
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the CAN gateway. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the CAN gateway. Refer to
LAN-109, "Removal and Installation"
.
YES (Past error)>>Error was detected in the CAN gateway branch line (CAN communication circuit 1 side).
NO
>> Repair the power supply and the ground circuit.
CAN gateway harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M5
1
7
Approx. 54 – 66
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