Check Outside Key Antenna (Trunk Room)

INTELLIGENT KEY SYSTEM


Check Outside Key Antenna (Trunk Room)

1.CHECK OUTSIDE KEY 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 - Outside key antenna (trunk room) is OK.
No - GO TO 2.
2.CHECK OUTSIDE KEY 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 - Check the condition of harness and connector.
NG - GO TO 3.
3.CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and outside key antenna (trunk room) connector.
2. Check continuity between Intelligent Key unit connector and outside key antenna (trunk room) 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 outside key antenna (trunk room).
4.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace outside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and outside key antenna (trunk room) connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.










OK or NG
OK - Replace malfunction front outside handle.
NG - Replace Intelligent Key unit.