Nissan March K13. Instruction — part 85

B2623 INSIDE ANTENNA

DLK-51

< 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 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 connector and inside key antenna (luggage room) connector.

3.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (luggage room).

NO

>> Replace BCM. Refer to

BCS-57, "Removal and Installation"

.

BCM

Inside key antenna (luggage room)

Continuity

Connector

Terminal

Connector

Terminal

M71

88

B82

1

Existed

89

2

BCM

Ground

Continuity

Connector

Terminal

M71

88

Not existed

89

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

Luggage
room

M71

88, 89

Ground

When Intelligent Key is in the
antenna detection area

When Intelligent Key is not in
the antenna detection area

JMKIA3839GB

JMKIA3838GB

DLK-52

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2626 OUTSIDE ANTENNA

B2626 OUTSIDE ANTENNA

DTC Logic

INFOID:0000000005948835

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-III.

Is DTC detected?

YES

>> Refer to

DLK-52, "Diagnosis Procedure"

.

NO

>> Outside key antenna (driver side) is OK.

Diagnosis Procedure

INFOID:0000000005948836

1.

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-57, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM connector and outside key antenna (driver side) connector.

2.

Check continuity between BCM harness connector and outside key antenna (driver side) harness connec-
tor.

DTC

CONSULT-III display

description

DTC detecting condition

Possible cause

B2626

OUTSIDE ANTENNA

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

• Outside key antenna (driver side)
• Between BCM

∼

Outside key an-

tenna (driver side)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

Driver side

M71

78, 79

Ground

When Intelligent Key is in the
antenna detection area

When Intelligent Key is not in
the antenna detection area

JMKIA3839GB

JMKIA3838GB

B2626 OUTSIDE ANTENNA

DLK-53

< 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 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 (driver side). (New antenna or other antenna)

2.

Connect BCM connector and outside key antenna (driver side) connector.

3.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace outside key antenna (driver side).

NO

>> Replace BCM. Refer to

BCS-57, "Removal and Installation"

.

BCM

Outside key antenna (driver side)

Continuity

Connector

Terminal

Connector

Terminal

M71

78

D32

1

Existed

79

2

BCM

Ground

Continuity

Connector

Terminal

M71

78

Not existed

79

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

Driver side

M71

78, 79

Ground

When Intelligent Key is in
the antenna detection area

When Intelligent Key is not
in the antenna detection
area

JMKIA3839GB

JMKIA3838GB

DLK-54

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2627 OUTSIDE ANTENNA

B2627 OUTSIDE ANTENNA

DTC Logic

INFOID:0000000005948838

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-III.

Is outside key antenna DTC detected?

YES

>> Refer to

DLK-54, "Diagnosis Procedure"

.

NO

>> Outside key antenna (passenger side) is OK.

Diagnosis Procedure

INFOID:0000000005948839

1.

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-57, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM connector and outside key antenna (passenger side) connector.

2.

Check continuity between BCM harness connector and outside key antenna (passenger side) harness
connector.

DTC

CONSULT-III display

description

DTC detecting condition

Possible cause

B2627

OUTSIDE ANTENNA

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

• Outside key antenna (passenger

side)

• Between BCM

∼

Outside key an-

tenna (passenger side)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

Passenger
side

M71

80, 81

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the
antenna detection area

JMKIA3839GB

JMKIA3838GB