Nissan X-Trail 32. Instruction — part 1513
LAN-92
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
PWBD BRANCH LINE CIRCUIT
PWBD BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010715332
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 automatic back door 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 automatic back door control unit.
2.
Check the resistance between the automatic back door control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the automatic back door control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the automatic back door control unit. Refer to
"AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"
(RHD models) or
MATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"
(LHD models).
Is the inspection result normal?
YES (Present error)>>Replace the automatic back door control unit. Refer to
(RHD models) or
DLK-633, "Removal and Installation"
(LHD models).
YES (Past error)>>Error was detected in the automatic back door control unit branch line.
NG
>> Repair the power supply and the ground circuit.
Automatic back door control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B24
24
12
Approx. 54 – 66
LAN
SONAR BRANCH LINE CIRCUIT
LAN-93
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
SONAR BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010715333
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).
-
Sonar control unit
-
Harness connector B8
-
Harness connector B60
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 sonar control unit.
2.
Check the resistance between the sonar control unit harness connector terminals.
-
Without Park Assist
-
With Park Assist
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the sonar control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the sonar control unit. Refer to
(without Park Assist) or
SN-233, "SONAR CONTROL UNIT : Diagnosis Proce-
(with Park Assist).
Is the inspection result normal?
YES (Present error)>>Replace the sonar control unit. Refer to
SN-111, "Removal and Installation"
(without
Park Assist) or
SN-237, "Removal and Installation"
(with Park Assist).
YES (Past error)>>Error was detected in the sonar control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Sonar control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B101
5
6
Approx. 54 – 66
Sonar control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B129
24
23
Approx. 54 – 66
LAN-94
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
BCM BRANCH LINE CIRCUIT
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010715334
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
BCS-114, "Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-121, "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.
B47
20
40
Approx. 108 – 132
LAN
AV BRANCH LINE CIRCUIT
LAN-95
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010715335
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).
-
NAVI control unit
-
BCM
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of BCM.
2.
Check the continuity between the BCM 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). Refer to
.
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of NAVI control unit.
2.
Check the resistance between the NAVI control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the AV control unit branch line.
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the NAVI control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the NAVI control unit. Refer to
AV-262, "Removal and Installation"
YES (Past error)>>Error was detected in the NAVI control unit branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Continuity
Connector No.
Terminal No.
M87
46
48
Existed
45
49
Existed
NAVI control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M27
8
17
Approx. 54 – 66
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