Diagnosis Procedure
- CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
- Turn Ignition Switch ON.
- Check signal between BCM harness connector and ground using oscilloscope.
(+) (-) Condition Signal
(Reference Value)BCM Connector Terminal M15 101, 102 Ground When pressing the Trunk Lid Opener Request Switch with all doors are locked and Ignition Switch ON When Intelligent Key is not in the antenna detection area When Intelligent Key is in the antenna detection area
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 2 .
- CHECK OUTSIDE KEY ANTENNA CIRCUIT
- Turn Ignition Switch OFF.
- Disconnect BCM connector and Outside Key Antenna (Rear Bumper) connector.
- Check continuity between BCM harness connector and Outside Key Antenna (Rear Bumper) harness connector.
BCM Outside Key Antenna (Rear Bumper) Continuity Connector Terminal Connector Terminal M15 101 B96 2 Existed 102 1 - Check continuity between BCM harness connector and ground.
BCM Ground
ContinuityConnector Terminal M15 101 Not existed 102
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness.
- CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
- Replace Outside Key Antenna (Rear Bumper). (New antenna or other antenna)
- Connect BCM and Outside Key Antenna (Rear Bumper) connector.
- Turn Ignition Switch ON.
- Check signal between BCM harness connector and ground using oscilloscope.
(+) (-) Condition Signal
(Reference Value)BCM Connector Terminal M15 101, 102 Ground When pressing the Trunk Lid Opener Request Switch with all doors are locked and Ignition Switch ON When Intelligent Key is not in the antenna detection area When Intelligent Key is in the antenna detection area
Is the inspection result normal?
YES
Replace Outside Key Antenna (Rear Bumper).
NO
Replace BCM. Refer to REMOVAL AND INSTALLATION .