Outside Key Antenna (Rear Bumper) Check

INTELLIGENT KEY SYSTEM


Outside Key Antenna (Rear Bumper) Check

1.CHECK REAR BUMPER ANTENNA FUNCTION
With CONSULT-III
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.