B2621

Description

- Detects whether Intelligent Key is inside the vehicle
- Installed in the instrument center


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 (instrument center) 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 (instrument center) connector.
2.Check continuity between BCM harness connector and inside key antenna (instrument center) 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 (instrument center). (New antenna or other antenna)
2.Connect BCM connector and inside key antenna (instrument center) connector.
3.Check signal between BCM harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- Replace inside key antenna (instrument center). Refer to "INSTRUMENT CENTER : 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