Infiniti EX35. Manual — part 468
DLK-86
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
BACK DOOR REQUEST SWITCH
YES
>> Replace BCM. Refer to
NO
>> Repair or replace harness.
3.
CHECK BACK DOOR OPENER REQUEST SWITCH GROUND CIRCUIT
Check continuity between back door opener request switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK BACK DOOR OPENER REQUEST SWITCH
DLK-86, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace back door opener request switch assembly. Refer to
EXT-48, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003728909
1.
CHECK BACK DOOR OPENER REQUEST SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect back door opener.
3.
Check back door opener request switch assembly terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace back door opener request switch assembly. Refer to
EXT-48, "Removal and Installation"
.
Back door opener request switch assembly
Ground
Continuity
Connector
Terminal
D116
2
Existed
Back door opener request switch
Back door opener request switch condition
Continuity
Terminal
1
2
Pressed
Existed
Released
Not existed
UNLOCK SENSOR
DLK-87
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
UNLOCK SENSOR
Description
INFOID:0000000003728910
Detects door lock condition of driver door.
Component Function Check
INFOID:0000000003728911
1.
CHECK FUNCTION
Check unlock sensor (“DOOR STAT SW”) in “Data Monitor” mode.
Is the inspection result normal?
YES
>> Unlock sensor is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003728912
1.
CHECK BCM OUTPUT 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.
Monitor item
Condition
DOOR STAT SW
Front door lock (driver side) LOCK: OFF
Front door lock (driver side) UNLOCK: ON
(+)
(–)
Signal
(Reference value)
Front door lock assembly (driver side)
Connector
Terminal
D15
3
Ground
JPMIA0012GB
BCM
Front door lock assembly (driver side)
Continuity
Connector
Terminal
Connector
Terminal
M123
119
D15
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
119
Not existed
DLK-88
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
UNLOCK SENSOR
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-84, "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-88, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace front door lock assembly (driver side). Refer to
DLK-244, "DOOR LOCK : Removal and
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000003728913
1.
CHECK UNLOCK SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect front door lock assembly (driver side) (unlock sensor) connector.
3.
Check front door lock assembly (driver side) (unlock sensor) terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace front lock assembly (driver side) (unlock sensor). Refer to
Front door lock assembly (driver side)
Ground
Continuity
Connector
Terminal
D15
4
Existed
Front door lock assembly (driver side) (unlock sensor)
Front door lock assembly (driver side) (unlock
sensor) condition
Continuity
Terminal
3
4
Unlock
Existed
Lock
Not existed
OUTSIDE KEY ANTENNA
DLK-89
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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OUTSIDE KEY ANTENNA
Description
INFOID:0000000003728914
Detects whether Intelligent Key is outside the vehicle.
Integrated in front outside handle (driver side, passenger side) and installed in rear bumper.
Component Function Check
INFOID:0000000003728915
1.
CHECK DOOR REQUEST SWITCH
Check door request switch. Refer to
DLK-83, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check door request switch. Refer to
.
2.
CHECK FUNCTION
Be sure that Intelligent Key is in each outside key antenna detection area.
Does door lock/unlock when each request switch is pressed?
YES
>> Outside key antenna is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003728916
1.
CHECK OUTSIDE 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
>> Replace BCM. Refer to
BCS-84, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM connector and malfunctioning front outside key antenna connector or outside key
antenna (rear bumper) connector.
2.
Check continuity between BCM harness connector and malfunctioning outside key antenna harness con-
nector.
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M122
Driver side
76, 77
Ground
Request switch
is pushed
When Intelligent Key
is in the antenna de-
tection area.
Passenger
side
74, 75
M121
Back door
38, 39
When Intelligent Key
is not in the antenna
detection area.
JMKIA0062GB
JMKIA0063GB
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