B2627

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Disconnect outside key antenna (driver side) connector.
2.Perform "INTELLIGENT KEY" Self Diagnostic Result.
Is outside key antenna DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Outside key antenna (driver side) is OK.


Diagnosis Procedure


1. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.Turn power switch OFF.
2.Check signal between BCM harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 2.

2. CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.Disconnect BCM connector and outside key antenna (driver side) connector.
2.Check continuity between BCM harness connector and outside key antenna (driver side) 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 OUTSIDE KEY ANTENNA INPUT SIGNAL 2

1.Replace outside key antenna (driver side). (New antenna or other antenna)
2.Connect BCM connector and outside key antenna (driver side) connector.
3.Check signal between BCM harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- Replace driver side outside handle.
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.