Without Intelligent Key

B2623 INSIDE KEY ANTENNA 3

Description

Detects whether keyfob is inside the vehicle.
Installed in the trunk room.


DTC Logic

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Check keyfob relative signal strength
- Confirm vehicle antenna signal strength

DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "MULTI REMOTE
ENTRY".
2.Perform "MULTI REMOTE ENTRY"Self Diagnostic Result.
Is rear parcel shelf antenna DTC detected?
YES- Refer to "Diagnosis Procedure".
NO- Rear parcel shelf antenna is OK.


Diagnosis Procedure


NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Check keyfob relative signal strength
- Confirm vehicle antenna signal strength
Regarding Wiring Diagram information, Remote Keyless Entry System Sedan.

1. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

1.Turn ignition switch OFF.





2.Check signal between BCM connector and ground with oscilloscope.





Is the inspection result normal?
YES- Check the condition of harness and connector.
NO- GO TO 2

2. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

1.Disconnect BCM and rear parcel shelf antenna connector.





2.Check continuity between BCM connector and rear parcel shelf antenna connector.





3.Check continuity between BCM connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness between BCM and rear parcel shelf antenna.

3. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

1.Replace rear parcel shelf antenna (new antenna or other antenna).
2.Connect BCM and rear parcel shelf antenna connector.





3.Check signal between BCM connector and ground with oscilloscope.





Is the inspection result normal?

YES- Replace rear parcel shelf antenna. Rear Parcel Shelf Finisher Sedan.
NO- Replace BCM. Service and Repair.