Diagnosis Procedure

OUTSIDE KEY ANTENNA


Description

- Detects whether Intelligent Key is outside the vehicle.
- Integrated in rear pillar finisher (LH, RH) and installed in rear bumper.




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 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 outside key antenna connector.
2. Check continuity between malfunctioning outside key antenna harness connector and BCM harness connector.





3. Check continuity between malfunctioning outside key antenna 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 oscilloscope.





Is the inspection result normal?
YES-1 - Replace malfunctioning outside key antenna (LH or RH). Refer to Removal And Installation.
YES-2 - Replace outside key antenna (rear bumper). Refer to Removal And Installation.
NO - Replace BCM. Refer to Removal And Installation.