Nissan Versa Sedan. Manual — part 188

DLK-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2623 INSIDE ANTENNA

B2623 INSIDE ANTENNA

DTC Logic

INFOID:0000000009268745

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Select INTELLIGENT KEY of BCM using CONSULT.

2. Select INSIDE ANT DIAGNOSIS in WORK SUPPORT mode.

3. Perform inside key antenna (INSIDE ANT DIAGNOSIS) on WORK SUPPORT of INTELLIGENT KEY.

4. Check BCM for DTC.
Is inside key antenna DTC detected?

YES

>> Refer to

DLK-70, "Diagnosis Procedure"

.

NO

>> Inside key antenna (trunk room) is OK.

Diagnosis Procedure

INFOID:0000000009268746

Regarding Wiring Diagram information, refer to

DLK-37, "INTELLIGENT KEY SYSTEM : Wiring Diagram"

.

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1. Turn ignition switch ON.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-69, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector and inside key antenna (trunk room) connector.

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2623

INSIDE ANTENNA 3

An excessive high or low voltage from inside anten-
na (trunk room) is sent to BCM

• Inside key antenna (trunk room)
• Between BCM Inside key antenna

(trunk room)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M98

88
89

Ground

When Intelligent Key is in the anten-
na detection area

When Intelligent Key is not in the an-
tenna detection area

JMKIA3839GB

JMKIA5951GB

B2623 INSIDE ANTENNA

DLK-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH 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 inside key antenna (trunk room) harness connec-

tor.

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 INSIDE KEY ANTENNA INPUT SIGNAL 2

1. Replace inside key antenna (trunk room). (New antenna or other antenna)

2. Connect BCM connector and inside key antenna (trunk room) connector.

3. Turn ignition switch ON.

4. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (trunk room).

NO

>> Replace BCM. Refer to

BCS-69, "Removal and Installation"

.

BCM

Inside key antenna (trunk room)

Continuity

Connector

Terminal

Connector

Terminal

M98

88

B48

1

Yes

89

2

BCM

Ground

Continuity

Connector

Terminal

M98

88

No

89

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M98

88
89

Ground

When Intelligent Key is in the anten-
na detection area

When Intelligent Key is not in the an-
tenna detection area

JMKIA3839GB

JMKIA5951GB

DLK-72

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2626 OUTSIDE ANTENNA

B2626 OUTSIDE ANTENNA

DTC Logic

INFOID:0000000009268747

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?

YES

>> Refer to

DLK-72, "Diagnosis Procedure"

.

NO

>> Outside key antenna (LH) is OK.

Diagnosis Procedure

INFOID:0000000009268748

Regarding Wiring Diagram information, refer to

DLK-37, "INTELLIGENT KEY SYSTEM : Wiring Diagram"

.

1.

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1. Turn ignition switch ON.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-69, "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 (LH) connector.

3. Check continuity between BCM harness connector and outside key antenna (LH) harness connector.

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2626

OUTSIDE ANTENNA
1

An excessive high or low voltage from outside key
antenna (LH) is sent to BCM

• Outside key antenna (LH)
• Between BCM Outside key anten-

na (LH)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M98

78
79

Ground

When the driver door
request switch is op-
erated 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

B2626 OUTSIDE ANTENNA

DLK-73

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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 (LH). (New antenna or other antenna)

2. Connect BCM connector and outside key antenna (LH) connector.

3. Turn ignition switch ON.

4. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace outside key antenna (LH).

NO

>> Replace BCM. Refer to

BCS-69, "Removal and Installation"

.

BCM

Outside key antenna (LH)

Continuity

Connector

Terminal

Connector

Terminal

M98

78

D6

1

Yes

79

2

BCM

Ground

Continuity

Connector

Terminal

M98

78

No

79

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M98

78
79

Ground

When the driver
door request switch
is operated with igni-
tion 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