Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » A L L Diagnostic Trouble Codes ( DTC ) » Testing and Inspection » B Code Charts » B2623 » Sedan Without Intelligent Key  
 
 
  Sedan Without Intelligent Key  
 

B2623 INSIDE KEY ANTENNA 3

Description
Detects whether keyfob is inside the vehicle.
Installed in the trunk room.

DTC Logic

DTC DETECTION LOGIC

  

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III

  1. Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "MULTI REMOTE ENTRY".
  2. Perform "MULTI REMOTE ENTRY"Self Diagnostic Result.

Is rear parcel shelf antenna DTC detected?
YES >> Refer to Diagnosis Procedure.
NO >> Rear parcel shelf antenna is OK.

Diagnosis Procedure
1.CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

  1. Turn ignition switch OFF.

  

  1. Check signal between BCM connector and ground with oscilloscope.

  

Is the Inspection result normal?
YES >> Check the condition of harness and connector.
NO >> GO TO 2

2.CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

  1. Disconnect BCM and rear parcel shelf antenna connector.

  

  1. Check continuity between BCM connector and rear parcel shelf antenna connector.

  

  1. Check continuity between BCM connector and ground.

  

Is the Inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness between BCM and rear parcel shelf antenna.

3.CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

  1. Replace rear parcel shelf antenna (new antenna or other antenna).
  2. Connect BCM and rear parcel shelf antenna connector.

  

  1. Check signal between BCM connector and ground with oscilloscope.

  

Is the Inspection result normal?
YES >> Replace rear parcel shelf antenna. Refer to See: Body and Frame\Interior Moulding / Trim\Rear Shelf\Service and Repair\Removal And Installation\Sedan.
NO >> Replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair.