Infiniti FX35, FX50 (S51). Manual - part 485

 

  Index      Infiniti     Infiniti FX35, FX50 (S51) - service repair manual 2010 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  483  484  485  486   ..

 

 

Infiniti FX35, FX50 (S51). Manual - part 485

 

 

B2622 INSIDE KEY ANTENNA 2

DLK-63

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2622 INSIDE KEY ANTENNA 2

Description

INFOID:0000000005239530

Detects whether Intelligent Key is inside the vehicle.
Installed in the console.

DTC Logic

INFOID:0000000005239531

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” in “INTELLIGENT KEY”.

2.

Perform “INTELLIGENT KEY” Self Diagnostic Result.

Is inside key antenna DTC detected?

YES

>> Refer to 

DLK-63, "Diagnosis Procedure"

.

NO

>> Inside key antenna (console) is OK.

Diagnosis Procedure

INFOID:0000000005239532

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM and inside key antenna (console) connector.

2.

Check continuity between BCM harness connector and inside key antenna harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2622

INSIDE ANTENNA 2 
CIRCUIT

An excessively high or low voltage from inside an-
tenna is sent to BCM.

• Inside key antenna (console)
• Between BCM and Inside key an-

tenna (console)

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M122

Console

72, 73

Ground

Place Intelligent Key inside the 
vehicle.

Place Intelligent Key outside the 
vehicle. 

JMKIA0062GB

JMKIA0063GB

DLK-64

< DTC/CIRCUIT DIAGNOSIS >

B2622 INSIDE KEY ANTENNA 2

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 and inside key antenna (console) connector.

3.

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

Is the inspection result normal?

YES

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

DLK-281, "CONSOLE : Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-83, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

BCM

Inside key antenna (console)

Continuity 

Connector

Terminal

Connector

Terminal

M122

72

M146

2

Existed

73

1

BCM

Ground

Continuity 

Connector

Terminal

M122

Console

72

Not existed

73

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M122

Console

72, 73

Ground

Place Intelligent Key inside the 
vehicle.

Place Intelligent Key outside the 
vehicle. 

JMKIA0062GB

JMKIA0063GB

B2623 INSIDE KEY ANTENNA 3

DLK-65

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2623 INSIDE KEY ANTENNA 3

Description

INFOID:0000000005239533

Detects whether Intelligent Key is inside the vehicle.
Installed in the luggage room.

DTC Logic

INFOID:0000000005239534

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “Work Support” in “INTELLIGENT KEY”.

2.

Perform “INTELLIGENT KEY” Self Diagnostic Result.

Is inside key antenna DTC detected?

YES

>> Refer to 

DLK-65, "Diagnosis Procedure"

.

NO

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

Diagnosis Procedure

INFOID:0000000005239535

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1.

Disconnect BCM and inside key antenna (luggage room) connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2623

INSIDE ANTENNA 3 
CIRCUIT

An excessively high or low voltage from inside an-
tenna is sent to BCM.

• Inside key antenna (luggage room)
• Between BCM and Inside key an-

tenna (luggage room)

Terminals

Condition

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal

M121

Luggage room

34, 35

Ground

Place Intelligent Key inside the 
vehicle.

Place Intelligent Key outside 
the vehicle. 

JMKIA0062GB

JMKIA0063GB

DLK-66

< DTC/CIRCUIT DIAGNOSIS >

B2623 INSIDE KEY ANTENNA 3

2.

Check continuity between BCM harness connector and inside key antenna (luggage room) harness con-
nector.

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 and inside key antenna (luggage room) connector.

3.

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

Is the inspection result normal?

YES

>> Replace inside key antenna (luggage room). Refer to 

DLK-282, "LUGGAGE ROOM : Removal

and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-83, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

BCM

Inside key antenna

Continuity 

Connector

Terminal

Connector

Terminal

M121

34

B228

2

Existed

35

1

BCM

Ground

Continuity 

Connector

Terminal

M121

Luggage room

34

Not existed

35

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M121

Luggage room

34, 35

Ground

Place Intelligent Key inside 
the vehicle.

Place Intelligent Key outside 
the vehicle. 

JMKIA0062GB

JMKIA0063GB

 

 

 

 

 

 

 

Content   ..  483  484  485  486   ..