B2190

B2190, P1614 NATS ANTENNA AMP.

Description

Performs ID verification through BCM and NATS antenna amplifier when ignition key is inserted and ignition switch turned ON.
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 diagnostic result" with CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" NVIS.

1. CHECK NATS ANTENNA AMP. INSTALLATION

Check NATS antenna amp. installation. Refer to "Removal and Installation" Without Intelligent Key System.
Is the inspection result normal?
YES- GO TO 2
NO- Reinstall NATS antenna amp. correctly.

2. CHECK NVIS (NATS) IGNITION KEY ID CHIP

Start engine with another registered NATS ignition key.
Does the engine start?
YES- - Ignition key ID chip is malfunctioning.
- Replace the ignition key.
- Perform initialization with CONSULT.
For initialization, refer to CONSULT Operation Manual.
NO- GO TO 3

3. CHECK POWER SUPPLY FOR NATS ANTENNA AMP.

1.Turn ignition switch ON.
2.Check voltage between NATS antenna amp. connector M21 terminal 1 and ground.
1 - Ground: Battery voltage
Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace fuse or harness.

4. CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect NATS antenna amp. connector.
3.Check continuity between NATS antenna amp. connector M21 terminal 3 and ground.
3 - Ground: Continuity should exist.
Is the inspection result normal?
YES- GO TO 5
NO- - Repair or replace harness.
NOTE:
If harness is OK, replace BCM "Removal and Installation" Service and Repair. Perform initialization with
CONSULT. For initialization, refer to CONSULT Operation Manual.

5. CHECK NATS ANTENNA AMP. SIGNAL LINE- 1

1.Connect NATS antenna amp. connector.
2.Turn ignition switch ON.
3.Check voltage between NATS antenna amp. connector M21 terminal 2 and ground with analog tester.





Is the inspection result normal?
YES- GO TO 6
NO- - Repair or replace harness.
NOTE:
If harness is OK, replace BCM "Removal and Installation" Service and Repair. Perform initialization with
CONSULT. For initialization, refer to CONSULT Operation Manual.

6. CHECK NATS ANTENNA AMP. SIGNAL LINE- 2

Check voltage between NATS antenna amp. connector M21 terminal 4 and ground with analog tester.





Is the inspection result normal?
YES- NATS antenna amp. is malfunctioning. Replace NATS antenna amp. Refer to "Removal and Installation" Without Intelligent Key System.
NO- - Repair or replace harness.
NOTE:
If harness is OK, replace BCM, refer to "Removal and Installation" Service and Repair. Perform initialization with CONSULT. For initialization, refer to CONSULT Operation Manual.