Nissan March K13. Instruction — part 120
UNLOCK SENSOR
DLK-191
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
UNLOCK SENSOR
Component Function Check
INFOID:0000000006068639
1.
CHECK FUNCTION
1.
Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2.
Select “UNLK SEN-DR” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Unlock sensor is OK.
NO
>> Refer to
DLK-191, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000006068640
1.
CHECK UNLOCK SENSOR INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) connector.
3.
Check signal between front door lock assembly (driver side) harness connector and ground with oscillo-
scope.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK UNLOCK SENSOR CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and front door lock assembly (driver side) harness
connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-99, "Removal and Installation"
Monitor item
Condition
Status
UNLK SEN -DR
Driver side door
Lock
OFF
Unlock
ON
(+)
(–)
Signal
(Reference value)
Front door lock assembly (driver side)
Connector
Terminal
D28
4
Ground
PKIB4960J
BCM
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M65
7
D28
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M65
7
Not existed
DLK-192
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
UNLOCK SENSOR
NO
>> Repair or replace harness.
3.
CHECK UNLOCK SENSOR 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 UNLOCK SENSOR
DLK-192, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front door lock assembly (driver side).
5.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000006068641
1.
CHECK UNLOCK SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) connector.
3.
Check continuity between front door lock assembly (driver side) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front door lock assembly (driver side).
Front door lock assembly (driver side)
Ground
Continuity
Connector
Terminal
D28
3
Existed
Front door lock assembly (driver side)
Condition
Continuity
Terminal
3
4
Driver side door
Unlock
Existed
Lock
Not existed
REMOTE KEYLESS ENTRY RECEIVER
DLK-193
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
REMOTE KEYLESS ENTRY RECEIVER
Component Function Check
INFOID:0000000005949087
1.
CHECK FUNCTION
1.
Select “MULTI REMOTE ENT” of “BCM” using CONSULT-III.
2.
Select “KEYLESS LOCK” or “KEYLESS UNLOCK” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Remote keyless entry receiver is OK.
NO
>> Refer to
DLK-193, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000005949088
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 using oscilloscope.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
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.
Monitor item
Condition
Status
KEYLESS LOCK
Keyfob button
LOCK
On
UNLOCK
Off
KEYLESS UN-
LOCK
LOCK
Off
UNLOCK
On
(+)
(–)
Condition
Signal
(Reference value)
Remote keyless entry receiver
Connector
Terminal
M61
2
Ground
Waiting
Signal receiving
PIIB7728J
PIIB7729J
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M65
20
M61
2
Existed
DLK-194
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
XX-XX, "*****"
.
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 signal between remote keyless entry receiver harness connector and ground using oscilloscope.
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
XX-XX, "*****"
.
NO
>> Repair or replace harness between BCM and remote keyless entry receiver.
5.
CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
BCM
Ground
Continuity
Connector
Terminal
M65
20
Not existed
(+)
(–)
Signal
(Reference value)
Remote keyless entry receiver
Connector
Terminal
M61
4
Ground
Insert mechanical key into ignition
key cylinder
0 V
Remove mechanical key from igni-
tion key cylinder (Any door opened)
5 V
Remove mechanical key from igni-
tion key cylinder (Any door closed)
JPMIA0338JP
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M61
19
M61
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M61
19
Not existed
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