Overhead Console Area Antenna

OVERHEAD CONSOLE AREA ANTENNA





Description
Detects whether Intelligent Key is inside the vehicle.




Component Function Check
1.CHECK INSIDE KEY ANTENNA INPUT SIGNAL
With CONSULT-III
1. Check "ANTENNA" in "Active Test" mode with CONSULT-III.
2. Touch "ROOM ANT2".
3. When Intelligent Key is in overhead console area antenna detection area, hazard lamps flash.





Is the inspection result normal?
YES - Overhead console area antenna is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, Intelligent Key System.
1.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.










Is the inspection result normal?
YES - Overhead console area antenna is OK.
NO - GO TO 2
2.CHECK INSIDE KEY ANTENNA
1. Disconnect Intelligent Key unit connector and overhead console area antenna connectors.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 33, 34 and overhead console area antenna harness connector (B) R210 terminals 1, 2.










3. Check continuity between Intelligent Key unit harness connector
(A) M70 terminals 33, 34 and ground.






Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness between Intelligent Key unit and overhead console area antenna.
3.CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
1. Replace inside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit connector.





3. Check signal between Intelligent Key unit connector and ground with oscilloscope.





Is the inspection result normal?
YES - Replace overhead console area antenna.
NO - Replace Intelligent Key unit. Service and Repair.