B2623

Description

- Detects whether Intelligent Key is inside the vehicle
- Installed in the trunk room


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Perform inside key antenna ("INSIDE ANT DIAGNOSIS") on "Work Support" of "INTELLIGENT KEY".
2.Perform "INTELLIGENT KEY" Self Diagnostic Result.
Is inside key antenna DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inside key antenna (trunk 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 oscilloscope.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK INSIDE KEY ANTENNA CIRCUIT

1.Disconnect BCM connector and inside key antenna (trunk room) connector.
2.Check continuity between BCM harness connector and inside key antenna (trunk 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 (trunk room). (New antenna or other antenna)
2.Connect BCM and inside key antenna (trunk room) connector.
3.Check signal between BCM harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- Replace inside key antenna (trunk room). Refer to "TRUNK ROOM : Removal and Installation" Removal and Installation.
NO- Replace BCM. Refer to "Removal and Installation" Removal and Installation.

4. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END