Nissan Murano Z51 (2008 year). Manual — part 97
DLK-84
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2419 OPEN SWITCH
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Revision: 2008 October
2009 Murano
B2420 CLOSE SWITCH
DLK-85
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
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A
B
DLK
N
O
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B2420 CLOSE SWITCH
Description
INFOID:0000000003430094
The close switch is integrated in the door lock assembly, and it detects the close condition of the back door
lock.
DTC Logic
INFOID:0000000003430095
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door 3 times.
3.
Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003625827
1.
CHECK CLOSE SWITCH SIGNAL
Check close switch (“CLOSE SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK CLOSE SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2420
CLOSE SWITCH
When the automatic power back door control unit
detects any of the following conditions
• The change of close switch cannot be detected
for 3 second or more after starting the closure
close output for the 3rd time in a row
• Close switch
• Harness or connectors
(Close switch circuit is open or
shorted)
• Automatic back door control unit
Monitor item
Condition
Status
CLOSE SW
Back door lock
Open/Half latch
OFF
Fully closed
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
5
Ground
Battery voltage
Revision: 2008 October
2009 Murano
DLK-86
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2420 CLOSE SWITCH
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK CLOSE SWITCH
DLK-156, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003625828
COMPONENT INSPECTION
1.
CHECK CLOSE SWITCH
Check back door lock assembly (close switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
19
D179
5
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
19
Not existed
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Condition
Continuity
Back door lock assembly (close switch)
5
8
Back door lock position
Fully closed
Existed
Open/Half latch
Not existed
Revision: 2008 October
2009 Murano
B2421 CLUTCH OPERATION TIME
DLK-87
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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N
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B2421 CLUTCH OPERATION TIME
Description
INFOID:0000000003642237
The clutch operates by the power supplied from the automatic back door control unit. It performs the duty con-
trol of the power supply to control the operation speed of the back door.
DTC Logic
INFOID:0000000003430092
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003625829
1.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door control unit connector and automatic back door unit connector.
3.
Check continuity between automatic back door control unit harness connector and automatic back door
unit harness connector.
4.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2421
CLUTCH OPERA-
TION TIME
When the automatic back door control unit detects
the power distribution to the clutch for 2 minutes or
more
• Automatic back door control unit
• Harness or connectors
(Clutch circuit is shorted)
• Battery voltage (low voltage)
Automatic back door control unit
Automatic back door unit
Continuity
Connector
Terminal
Connector
Terminal
B7
32
B76
9
Existed
33
3
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B7
32
Not existed
33
Revision: 2008 October
2009 Murano
DLK-88
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2422 BACK DOOR STATE
B2422 BACK DOOR STATE
Description
INFOID:0000000003430073
The automatic back door control unit counts the pulse signal from the encoder and determines the position of
the back door.
DTC Logic
INFOID:0000000003430074
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door.
3.
Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003625830
1.
CHECK FUNCTION
Check half latch switch (“HALF LATCH SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK HALF LATCH SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2422
BACK DOOR STATE
When the automatic power back door control unit
detects a back door position malfunction according
to the pulse signal
• Back door mechanism
• Automatic back door control unit
• Back door closure
(Door open and half latch switch is
OFF)
Monitor item
Condition
Status
HALF LATCH SW
Back door lock
Fully closed/Half latch
OFF
Open
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
6
Ground
Battery voltage
Revision: 2008 October
2009 Murano
B2422 BACK DOOR STATE
DLK-89
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
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F
G
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A
B
DLK
N
O
P
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK HALF LATCH SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace back door lock assembly ground circuit.
5.
CHECK HALF LATCH SWITCH
DLK-89, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000003625831
COMPONENT INSPECTION
1.
CHECK HALF LATCH SWITCH
Check back door lock assembly (half latch switch).
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
8
D179
6
Existed
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
8
Not existed
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Back door lock position
Continuity
Back door lock assembly (half latch switch)
6
8
Open
Existed
Fully closed/Half latch
Not existed
Revision: 2008 October
2009 Murano
DLK-90
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME
B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME
Description
INFOID:0000000003443840
The automatic back door motor is integrated in the automatic back door unit. The automatic back door motor
opens/closes the back door.
DTC Logic
INFOID:0000000003443841
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door.
3.
Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003625974
1.
CHECK AUTOMATIC BACK DOOR MOTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic back door control unit connect and automatic back door unit connector.
3.
Check continuity between automatic back door control unit harness connector and automatic back door
unit harness connector.
4.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Connect automatic back door control unit connector and automatic back door motor connector.
2.
Check voltage between automatic back door unit harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2423
AUTOMATIC BACK
DOOR MOTOR OPERA-
TION TIME
When the automatic power back door control unit
and automatic back door motor operate in the same
direction for 30 seconds or more continuously
• Clutch
• Automatic back door motor
• Back door mechanism
• Automatic back door unit
• Battery voltage (low battery)
• Harness
(automatic back door motor cir-
cuit is shorted)
Automatic back door control unit
Automatic back door unit
Continuity
Connector
Terminal
Connector
Terminal
B7
27
B76
7
Existed
29
8
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B7
27
Not existed
29
Revision: 2008 October
2009 Murano
B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME
DLK-91
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace automatic back door unit. Refer to
DLK-362, "POWER BACK DOOR DRIVE ASSEMBLY
.
NO
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
(+)
Condition
Voltage (V)
(Approx.)
Automatic back door control unit
(–)
Connector
Terminal
B76
7
Ground
Automatic back
door
Active (open)
Battery voltage
Active (close)
Other than above
0
8
Ground
Automatic back
door
Active (close)
Battery voltage
Active (open)
Other than above
0
JMKIA1865ZZ
JMKIA1865ZZ
Revision: 2008 October
2009 Murano
DLK-92
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2424 CLOSURE CONDITION
B2424 CLOSURE CONDITION
Description
INFOID:0000000003510904
The back door lock assembly consists of the open switch, close switch, half latch switch and closure motor.
The automatic back door control unit determines the back door lock condition according to the signal from
each switch and performs the open/close operation of closure motor.
DTC Logic
INFOID:0000000003510905
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Operate automatic back door.
3.
Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003625836
1.
CHECK OPEN/CLOSE SWITCH SIGNAL
Check open/close switch (“OPEN SW”“CLOSE SW”) in Data Monitor mode.
Is the inspection result normal?
YES
>> Open switch is OK.
NO
>> GO TO 2.
2.
CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect back door lock assembly connector.
3.
Check voltage between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2424
CLOSURE CONDITION
When the following conditions are detected after
OPEN/CLOSE operation of the back door closure
motor
• Open switch and close switch are ON
• Harness or connector
(Open switch or close switch
circuit is shorted)
• Back door lock assembly
Monitor item
Condition
Status
OPEN SW
Back door lock
Fully closed/Half latch
OFF
Open
ON
CLOSE SW
Back door lock
Open/Half latch
OFF
Fully closed
ON
(+)
(–)
Voltage (V)
(Approx.)
Back door lock assembly
Connector
Terminal
D179
5
Ground
Battery voltage
4
Revision: 2008 October
2009 Murano
B2424 CLOSURE CONDITION
DLK-93
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
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G
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A
B
DLK
N
O
P
3.
CHECK OPEN/CLOSE SWITCH CIRCUIT
1.
Disconnect automatic back door control unit connector.
2.
Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.
3.
Check continuity between automatic back door control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic back door control unit. Refer to
DLK-379, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK CLOSE SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK CLOSE SWITCH
DLK-93, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000003625837
COMPONENT INSPECTION
1.
CHECK OPEN/CLOSE SWITCH
Check back door lock assembly (open/close switch).
Automatic back door control unit
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B8
19
D179
5
Existed
20
4
Automatic back door control unit
Ground
Continuity
Connector
Terminal
B8
19
Not existed
20
Back door lock assembly
Ground
Continuity
Connector
Terminal
D179
8
Existed
Terminal
Condition
Continuity
Back door lock assembly (close switch)
Revision: 2008 October
2009 Murano
DLK-94
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2424 CLOSURE CONDITION
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door lock assembly. Refer to
DLK-361, "DOOR LOCK : Removal and Installation"
5
8
Back door lock
Fully closed
Existed
Open/Half latch
Not existed
4
Open
Existed
Fully closed/Half latch
Not existed
Revision: 2008 October
2009 Murano
B2621 INSIDE KEY ANTENNA 1
DLK-95
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
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DLK
N
O
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B2621 INSIDE KEY ANTENNA 1
Description
INFOID:0000000003318013
Detects whether Intelligent Key is inside the vehicle.
Installed in the instrument center.
DTC Logic
INFOID:0000000003318014
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 (instrument center) is OK.
Diagnosis Procedure
INFOID:0000000003318015
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
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2621
INSIDE ANTENNA 1
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (instrument
center)
• Between BCM and Inside key an-
tenna (instrument center)
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M122
Instrument cen-
ter
78, 79
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
Revision: 2008 October
2009 Murano
DLK-96
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2621 INSIDE KEY ANTENNA 1
1.
Disconnect BCM and inside key antenna connector.
2.
Check continuity between BCM harness connector and inside key antenna (instrument center) 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 (instrument center). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (instrument center) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (instrument center). Refer to
NO
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
BCM
Inside key antenna (instrument center)
Continuity
Connector
Terminal
Connector
Terminal
M122
78
M105
2
Existed
79
1
BCM
Ground
Continuity
Connector
Terminal
M122
Instrument center
78
Not existed
79
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M122
Instrument cen-
ter
78, 79
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
Revision: 2008 October
2009 Murano
B2622 INSIDE KEY ANTENNA 2
DLK-97
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
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F
G
H
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A
B
DLK
N
O
P
B2622 INSIDE KEY ANTENNA 2
Description
INFOID:0000000003318016
Detects whether Intelligent Key is inside the vehicle.
Installed in the console.
DTC Logic
INFOID:0000000003318017
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 (console) is OK.
Diagnosis Procedure
INFOID:0000000003318018
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 (console) connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2622
INSIDE ANTENNA 2
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (console)
• Between BCM
〜
Inside key anten-
na (console)
(+)
(–)
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
Revision: 2008 October
2009 Murano
DLK-98
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2622 INSIDE KEY ANTENNA 2
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-370, "CONSOLE : Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-40, "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
Revision: 2008 October
2009 Murano
B2623 INSIDE KEY ANTENNA 3
DLK-99
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
B2623 INSIDE KEY ANTENNA 3
Description
INFOID:0000000003318019
Detects whether Intelligent Key is inside the vehicle.
Installed in the luggage room.
DTC Logic
INFOID:0000000003318020
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:0000000003318021
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
Revision: 2008 October
2009 Murano
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