Check NATS Antenna Amp. Built In Key Slot

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION


Check NATS Antenna Amp. Built in Key Slot

For the circuit information of this diagnosis, refer to Engine Immobilizer System Circuit Diagram.
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot connector and ground.










OK or NG
OK - GO TO 2.
NG - Check key slot power supply circuit for open or short.
2.CHECK GROUND CIRCUIT
Check continuity between key slot connector and ground.










OK or NG
OK - GO TO 3.
NG - Repair or replace harness.
3.CHECK KEY SLOT SIGNAL
1. Connect key slot connector.
2. Check voltage between key slot connector and ground.










OK or NG
OK - Check the condition of harness and connector.
NG - Repair or replace harness between BCM and key slot.