Antenna - Keyless Entry: Testing and Inspection

OUTSIDE KEY ANTENNA

Description

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


Component Function Check


1. CHECK DOOR REQUEST SWITCH

Check door request switch. Refer to "Component Function Check" Door Request Switch (front door) or "Component Function Check" Back Door Request Switch (back door).
Is the inspection result normal?
YES- GO TO 2.
NO-1- Check front door opener request switch. Refer to "Component Function Check" Door Request Switch.
NO-2- Check back door request switches. Refer to "Component Function Check" Back Door Request Switch.

2. CHECK FUNCTION

Be sure that Intelligent Key is in each outside key antenna detection area.
Does door lock/unlock when each request switch is pressed?
YES- Outside key antenna is OK.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.Turn ignition switch OFF.
2.Check signal between BCM harness connector and ground with oscilloscope.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" 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 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 with oscilloscope.





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