Operation CHARM: Car repair manuals for everyone.

B2190




B2190 NATS ANTENNA AMP.

Description

Performs ID verification through BCM and NATS antenna amp. when ignition switch is ON position.
Prohibits the start of engine when an unregistered ID of ignition key is used.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Insert ignition key into the key cylinder.
2.Turn ignition switch ON.
3.Check "Self diagnosis result" with CONSULT.
Is DTC detected?
YES- .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK FUSE

Check that the following IPDM E/R fuse is not blown.





Is the fuse fusing?
YES- Is the blown fuse after repairing the affected circuit if a fuse is blown.
NO- GO TO 2.

2. CHECK NATS ANTENNA AMP. INSTALLATION

Check NATS antenna amp. Installation. Without Intelligent Key System.
Is the inspection result normal?
YES- GO TO 3.
NO- Reinstall NATS antenna amp. correctly.

3. CHECK IGNITION KEY

Start engine with another registered ignition key.
Does the engine start?
YES- Replace ignition key, then perform initialization of BCM and registration of all ignition keys using
CONSULT.
NO- GO TO 4.

4. CHECK NATS ANTENNA AMP. POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect NATS antenna amp. connector.
3.Check voltage between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 5.

5. CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1.Disconnect IPDM E/R connector.
2.Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.





3.Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace IPDM E/R. Removal And Installation Without I-Key.
NO- Repair or replace harness.

6. CHECK NATS ANTENNA AMP. GROUND CIRCUIT

Check continuity between NATS antenna amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace harness.

7. CHECK NATS ANTENNA AMP. SIGNAL

1.Connect BCM connector and NATS antenna amp. connector.
2.Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 9.
NO- GO TO 8.

8. CHECK NATS ANTENNA AMP. SIGNAL CIRCUIT

1.Disconnect NATS antenna amp. connector.
2.Check continuity between BCM harness connector and NATS antenna amp. harness connector.





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace NATS antenna amp. Without Intelligent Key System.
NO- Repair or replace harness.

9. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END