Nissan Quest E52. Instruction — part 386
DLK-258
< DTC/CIRCUIT DIAGNOSIS >
SELECT UNLOCK RELAY
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK SELECTIVE UNLOCK RELAY
Check selective unlock relay.
Refer to
DLK-258, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace selective unlock relay.
6.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009649167
1.
CHECK SELECTIVE UNLOCK RELAY
1.
Turn ignition switch OFF.
2.
Remove selective unlock relay.
3.
Check the continuity between selective unlock relay terminals
under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace selective unlock relay.
Selective unlock relay
BCM
Continuity
Connector
Terminal
Connector
Terminal
M91
2
M122
50
Existed
BCM
Ground
Continuity
Connector
Terminal
M122
50
Not existed
Terminal
Condition
Continuity
4
3
No current supply
Existed
12 V direct current supply between ter-
minals 1 and 2.
Not existed
5
12 V direct current supply between ter-
minals 1 and 2.
Existed
No current supply
Not existed
JMLIA0997ZZ
UNLOCK SENSOR
DLK-259
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
UNLOCK SENSOR
Component Function Check
INFOID:0000000009649168
1.
CHECK FUNCTION
1.
Select “INTELLIGENT KEY” of “BCM” using CONSULT.
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-259, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009649169
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?
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
D48
3
Ground
7.0 - 8.0 V
PKIB4960J
BCM
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M121
31
D48
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M121
31
Not existed
DLK-260
< DTC/CIRCUIT DIAGNOSIS >
UNLOCK SENSOR
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
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-260, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front door lock assembly (driver side).
5.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009649170
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
D48
4
Existed
Front door lock assembly (driver side)
Condition
Continuity
Terminal
3
4
Driver side door
Unlock
Existed
Lock
Not existed
DOOR KEY CYLINDER SWITCH
DLK-261
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DOOR KEY CYLINDER SWITCH
WITH AUTOMATIC SLIDING DOOR
WITH AUTOMATIC SLIDING DOOR : Component Function Check
INFOID:0000000009649171
1.
CHECK FUNCTION
1.
Select “DOOR LOCK” of “BCM” using CONSULT.
2.
Select “KEY CYL LK-SW”, “KEY CYL UN-SW” in “DATA MONITOR” mode.
3.
Check that the function operates normally according to the following conditions.
Is the inspection result normal?
YES
>> Door key cylinder switch is OK.
NO
>> Refer to
DLK-261, "WITH AUTOMATIC SLIDING DOOR : Diagnosis Procedure"
.
WITH AUTOMATIC SLIDING DOOR : Diagnosis Procedure
INFOID:0000000009649172
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) connector.
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 SWITCH 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 harness connector and ground.
Monitor item
Condition
Status
KEY CYL LK-SW
Driver side door key cylinder
Lock
ON
Neutral / Unlock
OFF
KEY CYL UN-SW
Unlock
ON
Neutral / Lock
OFF
(+)
(–)
Signal
(Reference value)
Front door lock assembly (driver side)
Connector
Terminal
D48
5
Ground
7.0 - 8.0 V
6
PKIB4960J
Power window main switch
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
D5
4
D48
6
Existed
6
5
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