Nissan Quest E52. Manual - part 380

 

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Nissan Quest E52. Manual - 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

 

 

 

 

 

 

 

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