B2623 INSIDE KEY ANTENNA 3
Description
Detects whether keyfob is inside the vehicle.
Installed in the trunk room.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
- Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "MULTI REMOTE ENTRY".
- 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
1.CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1
- Turn ignition switch OFF.
- 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
- Disconnect BCM and rear parcel shelf antenna connector.
- Check continuity between BCM connector and rear parcel shelf antenna connector.
- 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
- Replace rear parcel shelf antenna (new antenna or other antenna).
- Connect BCM and rear parcel shelf antenna connector.
- Check signal between BCM connector and ground with oscilloscope.
Is the Inspection result normal?
YES >> Replace rear parcel shelf antenna. Refer to See: Body and Frame\Interior Moulding / Trim\Rear Shelf\Service and Repair\Removal And Installation\Sedan.
NO >> Replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair.
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