Nissan Murano Z51. Manual — part 401
DLK-112
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
KEY CYLINDER SWITCH
Description
INFOID:0000000005517564
Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals.
Component Function Check
INFOID:0000000005517565
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
DLK-55, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
DLK-112, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000005517566
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side).
3.
Check voltage between front door lock assembly (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1.
Disconnect power window main switch connector.
2.
Check continuity between power window main switch harness connector and front door lock assembly
(driver side) harness connector.
3.
Check continuity between power window main switch connector and ground.
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
(+)
(–)
Voltage (V)
(Approx.)
Front door lock assembly (driver side)
Connector
Terminal
D9
5
Ground
5
6
Power window main switch
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
D5
4
D9
6
Existed
6
5
KEY CYLINDER SWITCH
DLK-113
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-119, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to
DLK-113, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front door lock assembly (driver side). Refer to
DLK-321, "DOOR ASSEMBLY : Removal
.
5.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005517567
COMPONENT INSPECTION
1.
CHECK DOOR KEY CYLINDER SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) (key cylinder switch) connector.
3.
Check front door lock assembly (driver side) (key cylinder switch) terminals.
Is the inspection result normal?
YES
>> Door key cylinder switch is OK.
NO
>> Replace front door lock assembly (driver side). Refer to
DLK-321, "DOOR ASSEMBLY : Removal
.
Power window main switch
Ground
Continuity
Connector
Terminal
D5
4
Not existed
6
Front door lock assembly (driver side)
Ground
Continuity
Connector
Terminal
D9
4
Existed
Terminal
Key position
Continuity
Front door lock assembly (driver side) connector
5
4
Unlock
Existed
Neutral / Lock
Not existed
6
Lock
Existed
Neutral / Unlock
Not existed
DLK-114
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
REMOTE KEYLESS ENTRY RECEIVER
Description
INFOID:0000000005517568
Receives Intelligent Key operation and transmits to BCM.
Component Function Check
INFOID:0000000005517569
1.
CHECK FUNCTION
With CONSULT-III
Check remote keyless entry receiver (“RKE OPE COUN1”) in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Remote keyless entry receiver is OK.
NO
>> Refer to
DLK-114, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000005517570
1.
CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between remote keyless entry receiver harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
1.
Disconnect BCM connector and remote keyless entry receiver connector
2.
Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
3.
Check continuity between BCM harness connector and ground.
Monitor item
Condition
RKE OPE COUN1
Checks whether value changes when operating Intelligent Key.
(+)
(–)
Condition
Signal
(Reference value)
Remote keyless entry receiver
Connector
Terminal
M78
2
Ground
Waiting
(All door closed)
When signal is received
(All door closed)
JMKIA0064GB
JMKIA0065GB
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M122
83
M78
2
Existed
REMOTE KEYLESS ENTRY RECEIVER
DLK-115
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> Repair or replace harness between BCM and remote keyless entry receiver.
3.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1.
Disconnect remote keyless entry receiver.
2.
Check voltage between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
3.
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> Repair or replace harness between BCM and remote keyless entry receiver.
5.
CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES
>> Replace remote keyless entry receiver. Refer to
DLK-368, "Removal and Installation"
NO
>> GO TO 6.
6.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3
BCM
Ground
Continuity
Connector
Terminal
M122
83
Not existed
(+)
(–)
Signal
(Reference value)
Remote keyless entry receiver
Connector
Terminal
M78
4
Ground
JMKIA0064GB
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M122
103
M78
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M122
103
Not existed
Remote keyless entry receiver
Ground
Continuity
Connector
Terminal
M78
1
Existed
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