Nissan Sentra. Manual — part 243
DLK-88
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2628 OUTSIDE ANTENNA
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and outside key antenna (rear bumper) connector.
3. Check continuity between BCM harness connector and outside key antenna (rear bumper) harness con-
nector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace outside key antenna (rear bumper). (New antenna or other antenna)
2. Connect BCM and outside key antenna (rear bumper) connector.
3. Turn ignition switch ON.
4. Check signal between BCM harness connector and ground using oscilloscope.
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M83
48,49
Ground
When the trunk
lid opener switch
is operated with
ignition switch
OFF
When Intelligent
Key is in the an-
tenna detection
area (The dis-
tance between
Intelligent Key
and antenna: 80
cm or less)
When Intelligent
Key is not in the
antenna detec-
tion area (The
distance be-
tween Intelli-
gent Key and
antenna: Ap-
prox. 2 m)
JMKIA5955GB
JMKIA5954GB
BCM
Outside key antenna (rear bumper)
Continuity
Connector
Terminal
Connector
Terminal
M83
49
B79
1
Yes
48
2
BCM
Ground
Continuity
Connector
Terminal
M83
49
No
48
B2628 OUTSIDE ANTENNA
DLK-89
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Is the inspection result normal?
YES
>> Replace outside key antenna (rear bumper).
NO
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M83
49,48
Ground
When the trunk
lid opener switch
is operated with
ignition switch
OFF
When Intelligent
Key is in the an-
tenna detection
area (The dis-
tance between
Intelligent Key
and antenna: 80
cm or less)
When Intelligent
Key is not in the
antenna detec-
tion area (The
distance be-
tween Intelli-
gent Key and
antenna: Ap-
prox. 2 m)
JMKIA5955GB
JMKIA5954GB
DLK-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010291082
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector M85.
2. Check voltage between BCM connector M85 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M85 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
88
Battery power supply
12 (10A)
90
G (40A)
BCM
Ground
Voltage
Connector
Terminal
M85
88
—
Battery voltage
90
BCM
Ground
Continuity
Connector
Terminal
M85
93
—
Yes
COMBINATION METER BUZZER
DLK-91
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
COMBINATION METER BUZZER
Component Function Check
INFOID:0000000009756386
1.
CHECK FUNCTION
1. Select INTELLIGENT KEY of BCM using CONSULT.
2. Select INSIDE BUZZER in ACTIVE TEST mode.
3. Touch Key, Knob or Take Out to check that it works normally.
Is the inspection result normal?
Yes
>> Combination meter buzzer is OK.
No
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009756387
1.
CHECK METER BUZZER CIRCUIT
WCS-28, "Component Function Check"
.
Is the inspection result normal?
Yes
>> GO TO 2.
No
>> Repair or replace harness.
2.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> Inspection End.
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