B2623

B2623 INSIDE KEY ANTENNA 3





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




DTC Logic

DTC DETECTION LOGIC

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 B2623.
NO - Inside key antenna (luggage room) is OK.




Diagnosis Procedure
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.
2. Check continuity between BCM harness connector and inside key antenna (luggage room) 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 (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 Removal and Installation.
NO - Replace BCM. Refer to Removal and Installation.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END