Outside Key Antenna (Rear Bumper) Check

INTELLIGENT KEY SYSTEM

Outside Key Antenna (Rear Bumper) Check

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 Intelligent Key relative signal strength
- Confirm vehicle Intelligent Key antenna signal strength

1. CHECK REAR BUMPER ANTENNA FUNCTION

With CONSULT
1.Check the operation with ("ANTENNA") in the ACTIVE TEST.
2.Touch "BD/TR ANT" on screen.
3.Carry the Intelligent Key into the antenna detection area.





Do the hazard lamps flash?
Yes- Rear bumper antenna is OK.
No- GO TO 2

2. CHECK REAR BUMPER ANTENNA INPUT SIGNAL 1

1.Turn ignition switch OFF.
2.Check signal between Intelligent Key unit connector and ground with oscilloscope.











OK or NG
OK- Rear bumper antenna is OK.
NG- GO TO 3

3. CHECK REAR BUMPER ANTENNA CIRCUIT

1.Disconnect Intelligent Key unit and rear bumper antenna connector.
2.Check continuity between Intelligent Key unit connector and rear bumper antenna connector.










3.Check continuity between Intelligent Key unit connector and ground.






OK or NG
OK- GO TO 4
NG- Repair or replace harness between Intelligent Key unit and rear bumper antenna.

4. CHECK REAR BUMPER ANTENNA INPUT SIGNAL 2

1.Replace rear bumper antenna (new antenna or other antenna).
2.Connect Intelligent Key unit and rear bumper antenna connector.
3.Check signal between Intelligent Key unit connector and ground with oscilloscope.










OK or NG
OK- Replace rear bumper antenna.
NG- Replace Intelligent Key unit. Service and Repair.