Nissan X-Trail 32. Manual - part 452

 

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Nissan X-Trail 32. Manual - part 452

 

 

B2621 INSIDE ANTENNA

DLK-149

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2621 INSIDE ANTENNA

DTC Description

INFOID:0000000010708103

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Inside key antenna (instrument center)
• Harness or connector [inside key antenna (instrument center) circuit is open or shorted]

FAIL-SAFE

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-149, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010708104

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch ON.

2.

Check signal between BCM harness connector and ground with oscilloscope.

DTC No.

CONSULT screen items (Trou-

ble diagnosis content)

DTC detecting condition

B2621–00

INSIDE ANTENNA

(Inside antenna)

An excessive high or low voltage from inside key antenna (instrument cen-
ter) is sent to BCM.

DLK-150

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

B2621 INSIDE ANTENNA

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-121, "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 (instrument center) connector.

3.

Check continuity between BCM harness connector and inside key antenna (instrument center) harness
connector.

4.

Check continuity between BCM harness connector and ground.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M86

116

Ground

Ignition switch 
ON and any 
door is open

When Intelligent 
Key is not in the 
antenna detec-
tion area

When Intelligent 
Key is in the an-
tenna detection 
area

117

When Intelligent 
Key is not in the 
antenna detec-
tion area

When Intelligent 
Key is in the an-
tenna detection 
area

JMMIA1652GB

JMMIA1653GB

JSMIA1348GB

JSMIA1406GB

BCM

Inside key antenna (instrument center)

Continuity 

Connector

Terminal

Connector

Terminal

M86

116

M17

2

Existed

117

1

BCM

Ground

Continuity 

Connector

Terminal

M86

116

Not existed

117

B2621 INSIDE ANTENNA

DLK-151

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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 (instrument center). (New antenna or other antenna)

2.

Connect BCM connector and inside key antenna (instrument center) connector.

3.

Check signal between BCM harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (instrument center).

NO

>> Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M86

116

Ground

Ignition switch 
ON and any 
door is open

When Intelligent 
Key is not in the 
antenna detec-
tion area

When Intelligent 
Key is in the an-
tenna detection 
area

117

When Intelligent 
Key is not in the 
antenna detec-
tion area

When Intelligent 
Key is in the an-
tenna detection 
area

JMMIA1652GB

JMMIA1653GB

JSMIA1348GB

JSMIA1406GB

DLK-152

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

B2622 INSIDE ANTENNA

B2622 INSIDE ANTENNA

DTC Description

INFOID:0000000010708105

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Inside key antenna (luggage room)
• Harness or connector [inside key antenna (luggage room) circuit is open or shorted]

FAIL-SAFE

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-152, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010708106

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch ON.

2.

Check signal between BCM harness connector and ground using oscilloscope.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

B2622–00

INSIDE ANTENNA

(Inside antenna)

An excessive high or low voltage from inside key antenna (luggage room) 
is sent to BCM

 

 

 

 

 

 

 

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