Nissan Quest E52. Instruction — part 380

DLK-234

< DTC/CIRCUIT DIAGNOSIS >

B2627 OUTSIDE ANTENNA

B2627 OUTSIDE ANTENNA

DTC Logic

INFOID:0000000009649138

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-234, "Diagnosis Procedure"

.

NO

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

Diagnosis Procedure

INFOID:0000000009649139

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-98, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM connector and front door outside handle assembly LH connector.

2.

Check continuity between BCM harness connector and front door outside handle assembly LH harness
connector.

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2627

OUTSIDE ANTENNA

An excessive high or low voltage from front door left
outside key antenna is sent to BCM

• Front door left outside key antenna
• Harness or connector

(Front door left outside key anten-
na circuit is open or shorted)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M124

78,79

Ground

When the driver door
request switch is oper-
ated with power
switch ON

When Intelligent Key
is in the antenna de-
tection area (The dis-
tance between
Intelligent Key and an-
tenna: 80 cm or less)

When Intelligent Key
is not in the antenna
detection area (The
distance between In-
telligent Key and an-
tenna: Approx. 2 m)

JMKIA5955GB

JMKIA5954GB

B2627 OUTSIDE ANTENNA

DLK-235

< DTC/CIRCUIT DIAGNOSIS >

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 front door outside handle assembly 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 front door outside handle assembly LH (outside key antenna).

NO

>> Replace BCM. Refer to

BCS-98, "Removal and Installation"

.

BCM

Front door outside handle assembly LH

Continuity

Connector

Terminal

Connector

Terminal

M124

78

D32

1

Existed

79

2

BCM

Ground

Continuity

Connector

Terminal

M124

78

Not existed

79

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M124

78,79

Ground

When the driver door
request switch is oper-
ated with power
switch ON

When Intelligent Key
is in the antenna de-
tection area (The dis-
tance between
Intelligent Key and an-
tenna: 80 cm or less)

When Intelligent Key
is not in the antenna
detection area (The
distance between In-
telligent Key and an-
tenna: Approx. 2 m)

JMKIA5955GB

JMKIA5954GB

DLK-236

< DTC/CIRCUIT DIAGNOSIS >

B2628 OUTSIDE ANTENNA

B2628 OUTSIDE ANTENNA

DTC Logic

INFOID:0000000009649140

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-230, "Diagnosis Procedure"

.

NO

>> Outside key antenna (rear bumper) is OK.

Diagnosis Procedure

INFOID:0000000009649141

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-98, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM connector and outside key antenna (rear bumper) connector.

2.

Check continuity between BCM harness connector and outside key antenna (rear bumper) harness con-
nector.

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2628

OUTSIDE ANTENNA

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

• Outside key antenna (rear

bumper)

• Harness or connector

(Outside key antenna (rear
bumper) circuit is open or shorted)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M124

82, 83

Ground

When the back door
request switch is oper-
ated with power
switch ON

When Intelligent Key
is in the antenna de-
tection area (The dis-
tance between
Intelligent Key and an-
tenna: 80 cm or less)

When Intelligent Key
is not in the antenna
detection area (The
distance between In-
telligent Key and an-
tenna: Approx. 2 m)

JMKIA5955GB

JMKIA5954GB

B2628 OUTSIDE ANTENNA

DLK-237

< DTC/CIRCUIT DIAGNOSIS >

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 (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.

Is the inspection result normal?

YES

>> Replace outside key antenna (rear bumper).

NO

>> Replace BCM. Refer to

BCS-98, "Removal and Installation"

.

BCM

Outside key antenna (rear bumper)

Continuity

Connector

Terminal

Connector

Terminal

M124

82

B303

1

Existed

83

2

BCM

Ground

Continuity

Connector

Terminal

M124

82

Not existed

83

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M124

82, 83

Ground

When the back door
request switch is oper-
ated with power
switch ON

When Intelligent Key
is in the antenna de-
tection area (The dis-
tance between
Intelligent Key and an-
tenna: 80 cm or less)

When Intelligent Key
is not in the antenna
detection area (The
distance between In-
telligent Key and an-
tenna: Approx. 2 m)

JMKIA5955GB

JMKIA5954GB