Coupe

OUTSIDE KEY ANTENNA

Component Function Check


1. CHECK DOOR REQUEST SWITCH

Check door request switch.
- Back door request switch: Back Door Request Switch.
- Other door request switches: Refer to Coupe.
Is the inspection result normal?
YES- GO TO 2.
NO-1- Check back door request switch. Back Door Request Switch.
NO-2- Check other door request switches. Coupe.

2. CHECK FUNCTION

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


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. 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- Replace malfunctioning outside key antenna.
NO- Replace BCM. Removal And Installation.