Nissan Murano Z51. Manual — part 396
DLK-92
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2622 INSIDE ANTENNA
2.
Check continuity between BCM harness connector and inside key antenna harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and inside key antenna.
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (console). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (console) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (console). Refer to
DLK-361, "CONSOLE : Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END
BCM
Inside key antenna (console)
Continuity
Connector
Terminal
Connector
Terminal
M122
72
M305
2
Existed
73
1
BCM
Ground
Continuity
Connector
Terminal
M122
Console
72
Not existed
73
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M122
Console
72, 73
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside the
vehicle.
JMKIA0062GB
JMKIA0063GB
B2623 INSIDE ANTENNA
DLK-93
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
B2623 INSIDE ANTENNA
Description
INFOID:0000000005517530
Detects whether Intelligent Key is inside the vehicle.
Installed in the luggage room.
DTC Logic
INFOID:0000000005517531
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” of “INTELLIGENT KEY”.
2.
Perform “INTELLIGENT KEY” Self Diagnostic Result.
Is inside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Inside key antenna (luggage room) is OK.
Diagnosis Procedure
INFOID:0000000005517532
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM and inside key antenna (luggage room) connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2623
INSIDE ANTENNA 3
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (luggage room)
• Between BCM
∼
Inside key anten-
na (luggage room)
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M121
Luggage room
34, 35
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
DLK-94
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2623 INSIDE ANTENNA
2.
Check continuity between BCM harness connector and inside key antenna (luggage room) harness con-
nector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and inside key antenna (luggage room).
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (luggage room). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (luggage room) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (luggage room). Refer to
DLK-362, "LUGGAGE ROOM : Removal
.
NO
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END
BCM
Inside key antenna
Continuity
Connector
Terminal
Connector
Terminal
M121
34
B49
2
Existed
35
1
BCM
Ground
Continuity
Connector
Terminal
M121
34
Not existed
35
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M121
Luggage room
34, 35
Ground
Place Intelligent Key inside
the vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
POWER SUPPLY AND GROUND CIRCUIT
DLK-95
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000005517533
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not fusing.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
AUTOMATIC BACK DOOR CONTROL UNIT
AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure
INFOID:0000000005517534
1.
CHECK FUSE, FUSIBLE LINK AND CIRCUIT BREAKER
Check that the following fuse, fusible link and circuit breaker are not fusing.
Is the fuse fusing?
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
L
11
10
(+)
(
−
)
Voltage
(Approx.)
BCM
Connector
Terminal
M118
1
Ground
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
Fuse and fusible link No.
Signal name
J
Battery power supply
Circuit breaker
6
3
Ignition power supply
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