Nissan Pathfinder. Manual - part 346

 

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Nissan Pathfinder. Manual - part 346

 

 

DLK-150

< DTC/CIRCUIT DIAGNOSIS >

B2621 INSIDE ANTENNA

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1. Disconnect BCM connector and inside key antenna (instrument center) connector.

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

connector.

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 (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 using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (instrument center).

NO

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

 .

BCM

Inside key antenna (instrument center)

Continuity 

Connector

Terminal

Connector

Terminal

M80

123

M14

1

Yes

124

2

BCM

Ground

Continuity 

Connector

Terminal

M80

123

No

124

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M80

123, 124

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the 
antenna detection area

JMKIA3839GB

JMKIA5951GB

B2622 INSIDE ANTENNA

DLK-151

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2622 INSIDE ANTENNA

DTC Logic

INFOID:0000000009175690

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-151, "Diagnosis Procedure"

.

NO

>> Inside key antenna (console) is OK.

Diagnosis Procedure

INFOID:0000000009175691

Regarding Wiring Diagram information, refer to 

DLK-74, "Wiring Diagram"

.

1.

CHECK INSIDE 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-80, "Removal and Installation"

.

NO

>> GO TO 2.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2622

INSIDE ANTENNA

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

• Inside key antenna (console)
• Harness or connector

[Inside key antenna (console) cir-
cuit is open or shorted]

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M80

116, 128

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the 
antenna detection area

JMKIA3839GB

JMKIA5951GB

DLK-152

< DTC/CIRCUIT DIAGNOSIS >

B2622 INSIDE ANTENNA

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1. Disconnect BCM connector and inside key antenna (console) connector.

2. Check continuity between BCM harness connector and inside key antenna (console) harness connector.

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 (console). (New antenna or other antenna)

2. Connect BCM connector and inside key antenna (console) connector.

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

Is the inspection result normal?

YES

>> Replace inside key antenna (console). Refer to 

DLK-315, "CONSOLE : Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

BCM

Inside key antenna (console)

Continuity 

Connector

Terminal

Connector

Terminal

M80

116

M255

1

Yes

128

2

BCM

Ground

Continuity 

Connector

Terminal

M80

116

No

128

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M80

116, 128

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the 
antenna detection area

JMKIA3839GB

JMKIA5951GB

B2623 INSIDE ANTENNA

DLK-153

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2623 INSIDE ANTENNA

DTC Logic

INFOID:0000000009175692

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-153, "Diagnosis Procedure"

.

NO

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

Diagnosis Procedure

INFOID:0000000009175693

Regarding Wiring Diagram information, refer to 

DLK-74, "Wiring Diagram"

.

1.

CHECK INSIDE 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-80, "Removal and Installation"

.

NO

>> GO TO 2.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2622

INSIDE ANTENNA

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

• Inside key antenna (luggage room)
• Harness or connector

[Inside key antenna (luggage 
room) circuit is open or shorted]

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M20

100, 99

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the 
antenna detection area

JMKIA3839GB

JMKIA5951GB

 

 

 

 

 

 

 

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