Infiniti G35 (V35) Sedan. Manual — part 350
B2622 INSIDE KEY ANTENNA 2
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 connector and inside key antenna connector.
3.
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and inside key antenna.
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 connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (console). Refer to
DLK-219, "CONSOLE : Removal and Installation"
.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
BCM connector
Terminal
Inside key antenna connector
Terminal
Continuity
M122
72
M146
Console
2
Existed
73
1
BCM connector
Terminal
Ground
Continuity
M122
Console
72
Not existed
73
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M122
Console
73
Ground
Place Intelligent Key inside the ve-
hicle.
Place Intelligent Key outside the
vehicle.
JMKIA0062GB
JMKIA0063GB
DLK-62
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2623 INSIDE KEY ANTENNA 3
B2623 INSIDE KEY ANTENNA 3
Description
INFOID:0000000000961132
Detects whether Intelligent Key is inside the vehicle.
Installed in the trunk room.
DTC Logic
INFOID:0000000000961133
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
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 (trunk room) is OK.
Diagnosis Procedure
INFOID:0000000000961134
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Check the condition of harness and connector.
NO
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM and inside key antenna (trunk 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 (trunk room)
• Between BCM
∼
Inside key anten-
na (trunk room)
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M121
Trunk room
35
Ground
Place Intelligent Key inside the
vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
B2623 INSIDE KEY ANTENNA 3
DLK-63
< 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 connector and inside key antenna (trunk room) connector.
3.
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness between BCM and inside key antenna (trunk room).
3.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna (trunk room). (New antenna or other antenna)
2.
Connect BCM and inside key antenna (trunk room) connector.
3.
Check signal between BCM connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (trunk room). Refer to
DLK-219, "TRUNK ROOM : Removal and
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
BCM connector
Terminal
Inside key antenna connector
Terminal
Continuity
M121
34
B49
Trunk room
2
Existed
35
1
BCM connector
Terminal
Ground
Continuity
M121
Trunk room
34
Not existed
35
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
BCM connector
Terminal
M121
Trunk room
35
Ground
Place Intelligent Key inside
the vehicle.
Place Intelligent Key outside
the vehicle.
JMKIA0062GB
JMKIA0063GB
DLK-64
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000000961135
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not fusing.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
K
11
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
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