Infiniti EX35. Manual — part 461
DLK-58
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2622 INSIDE KEY ANTENNA 2
B2622 INSIDE KEY ANTENNA 2
Description
INFOID:0000000003729001
Detects whether Intelligent Key is inside the vehicle.
Installed in the console.
DTC Logic
INFOID:0000000003729002
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” of “INTELLIGENT KEY”.
2.
Perform “INTELLIGENT KEY” Self Diagnostic Result.
Is inside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Inside key antenna (console) is OK.
Diagnosis Procedure
INFOID:0000000003729003
1.
CHECK INSIDE 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 INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM and inside key antenna (console) connector.
2.
Check continuity between BCM harness connector and inside key antenna harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2622
INSIDE ANTENNA 2
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (console)
• Between BCM
∼
Inside key anten-
na (console)
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M122
Console
72, 73
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside the
vehicle.
JMKIA0062GB
JMKIA0063GB
B2622 INSIDE KEY ANTENNA 2
DLK-59
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (console). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (console) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (console). Refer to
DLK-258, "CONSOLE : Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-84, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
BCM
Inside key antenna (console)
Continuity
Connector
Terminal
Connector
Terminal
M122
72
M146
2
Existed
73
1
BCM
Ground
Continuity
Connector
Terminal
M122
Console
72
Not existed
73
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M122
Console
72, 73
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside the
vehicle.
JMKIA0062GB
JMKIA0063GB
DLK-60
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2623 INSIDE KEY ANTENNA 3
B2623 INSIDE KEY ANTENNA 3
Description
INFOID:0000000003729004
Detects whether Intelligent Key is inside the vehicle.
Installed in the luggage room.
DTC Logic
INFOID:0000000003729005
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” of “INTELLIGENT KEY”.
2.
Perform “INTELLIGENT KEY” Self Diagnostic Result.
Is inside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Inside key antenna (luggage room) is OK.
Diagnosis Procedure
INFOID:0000000003729006
1.
CHECK INSIDE 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 INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM and inside key antenna (luggage room) connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2623
INSIDE ANTENNA 3
CIRCUIT
An excessive high or low voltage from inside anten-
na is sent to BCM.
• Inside key antenna (luggage room)
• Between BCM
∼
Inside key anten-
na (luggage room)
Terminals
Condition
Signal
(Reference value)
(+)
(–)
BCM connector
Terminal
M121
Luggage room
34, 35
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
B2623 INSIDE KEY ANTENNA 3
DLK-61
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2.
Check continuity between BCM harness connector and inside key antenna (luggage room) harness con-
nector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (luggage room). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (luggage room) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (luggage room). Refer to
DLK-259, "LUGGAGE ROOM : Removal
.
NO
>> Replace BCM. Refer to
BCS-84, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
BCM
Inside key antenna
Continuity
Connector
Terminal
Connector
Terminal
M121
34
B228
2
Existed
35
1
BCM
Ground
Continuity
Connector
Terminal
M121
34
Not existed
35
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M121
Luggage room
34, 35
Ground
Place Intelligent Key inside
the vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
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