Infiniti G37 Coupe. Manual — part 383
OUTSIDE KEY ANTENNA
DLK-93
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
OUTSIDE KEY ANTENNA
Description
INFOID:0000000001683126
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:0000000001683127
1.
CHECK DOOR REQUEST SWITCH
Check that door request switch operates normally.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Inspect door request switch. Refer to
DLK-83, "Component Function Check"
2.
CHECK FUNCTION
Be sure that Intelligent Key is in each outside key antenna detection range.
Does door lock/unlock when each request switch is pressed?
YES
>> Outside key antenna is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001683128
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
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM connector and front outside handle connector.
2.
Check continuity between BCM harness connector and outside key antenna harness connector.
Terminals
Condition
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M122
77
Ground
Request switch
is pushed
When Intelligent Key
is in the antenna de-
tection area.
75
M121
39
When Intelligent Key
is not in the antenna
detection area.
JMKIA0061GB
JMKIA0060GB
DLK-94
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
OUTSIDE KEY ANTENNA
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 outside key antenna.
3.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace outside key antenna. (New antenna or other antenna)
2.
Connect BCM connector and outside key antenna connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace outside key antenna. Refer to
DLK-230, "DOOR LOCK : Removal and Installation"
(Driver side and passenger side),
EXT-17, "Removal and Installation"
(Rear bumper)
NO
>> GO TO 4.
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
BCM connector
Terminal
Outside key antenna connector
Terminal
Continuity
M122
77
D14 (driver side)
1
Existed
76
2
75
D44 (passenger side)
1
74
2
M121
39
B63 (rear bumper)
1
38
2
BCM connector
Terminal
Ground
Continuity
M122
74
Not existed
75
76
77
M121
39
38
Terminals
Condition
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M122
77
Ground
Door request
switch is
pushed
When Intelligent Key
is in the antenna de-
tection area.
75
M121
39
When Intelligent Key
is not in the antenna
detection area.
JMKIA0061GB
JMKIA0060GB
OUTSIDE KEY ANTENNA
DLK-95
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
>> INSPECTION END
DLK-96
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
REMOTE KEYLESS ENTRY RECEIVER
REMOTE KEYLESS ENTRY RECEIVER
Description
INFOID:0000000001683129
Receives Intelligent Key operation and transmits to BCM.
Component Function Check
INFOID:0000000001683130
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
.
Diagnosis Procedure
INFOID:0000000001683131
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 7.
NO
>> GO TO 2.
2.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1.
Disconnect remote keyless entry receiver connector.
2.
Check voltage between remote keyless entry receiver harness connector and ground.
Monitor item
Condition
RKE OPE COUN1
Checks whether value changes when operating Intelligent Key.
Terminals
Condition
Signal
(Reference value)
(+)
(–)
Remote keyless
entry receiver
connector
Terminal
M104
2
Ground
Waiting
(All door closed)
When signal is received
(All door closed)
JMKIA0064GB
JMKIA0065GB
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