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 

BCS-51, "Wiring Diagram"

.

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 

DLK-91, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009756387

1.

CHECK METER BUZZER CIRCUIT

Refer to 

WCS-28, "Component Function Check"

.

Is the inspection result normal?

Yes

>> GO TO 2.

No

>> Repair or replace harness.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> Inspection End.