Diagnosis Procedure

OUTSIDE KEY ANTENNA


Description

Detects whether the Intelligent Key is in the operating range of the outside antennas.
Front outside antennas are integrated in front outside door handles (driver side, passenger side) to allow locking and unlocking of door locks when the Intelligent Key is present.
Rear bumper antenna is mounted on the rear bumper and is used to allow the back door handle opening of the back door when the Intelligent Key is present.





OUTSIDE KEY ANTENNA


Diagnosis Procedure

Regarding Wiring Diagram information, Intelligent Key Unit.
1.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector M70 terminals 17, 19, 37 and ground with an oscilloscope.











Is the inspection result normal?
YES - Outside key antenna is OK.
NO - GO TO 2
2.CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit connector and outside key antenna connector.
2. Check continuity between each outside key antenna harness connector (B) D15 (driver side) or D115
(passenger side), rear bumper antenna connector (C) C7 terminals 1, 2 and Intelligent Key unit harness connector (A) M70 terminals 17, 18, 19, 20, 37, and 38.










3. Check continuity between each outside key antenna harness connector terminals 1, 2 and ground.






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





3. Check signal between Intelligent Key unit connector terminals
17, 19, 37 and ground with an oscilloscope.







Is the inspection result normal?
YES - Replace outside key antenna.
NO - Replace Intelligent Key unit. Service and Repair.