Diagnosis Procedure

OUTSIDE KEY ANTENNA


Description

Detects whether Intelligent Key is outside the vehicle.
Integrated in front outside handle (driver side, passenger side) and installed in back door.




OUTSIDE KEY ANTENNA


Diagnosis Procedure

1.CHECK OUTSIDE 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 - Replace BCM. Refer to Removal and Installation
NO - GO TO 2.
2.CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect BCM connector and malfunctioning front outside key antenna connector or outside key antenna (rear bumper) connector.
2. Check continuity between BCM harness connector and malfunctioning outside key antenna 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 malfunctioning outside key antenna. (New antenna or other antenna)
2. Connect BCM connector and malfunctioning outside key antenna (New antenna or other antenna) connector.
3. Check signal between BCM harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES-1 - Replace malfunctioning front outside handle (LH or RH). Refer to Removal and Installation.
YES-2 - Replace outside key antenna (Back door). Refer to Removal and Installation.
NO - Replace BCM. Refer to Removal and Installation.