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 Sedan Without Intelligent Key.
NO - Rear parcel shelf antenna is OK.




Diagnosis Procedure
Regarding Wiring Diagram information, refer to Remote Keyless Entry System.
1.CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1
1. Turn ignition switch OFF.





2. 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.





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





3. 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.





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






Is the inspection result normal?
YES - Replace rear parcel shelf antenna. Refer to Sedan.
NO - Replace BCM. Refer to BCM.