With Intelligent Key System

P1614 CHAIN OF IMMU-KEY

Description

Performs ID verification through BCM and NVIS/NATS antenna amplifier when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Insert mechanical key into key cylinder.
2.Press ignition knob switch.
3.Check "Self Diagnostic Result" with CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK NATS ANTENNA AMP. INSTALLATION

Check NATS antenna amp. installation. Refer to "Removal and Installation" With Intelligent Key System.
Is the inspection result normal?
YES- GO TO 2.
NO- Reinstall NATS antenna amp. correctly.

2. CHECK MECHANICAL KEY

Start engine with another registered mechanical key.
Does the engine start?
YES- Replace mechanical key. Perform initialization and registration of mechanical key.
NO- GO TO 3.

3. 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 4.
NO- Repair or replace harness.

4. CHECK NATS ANTENNA AMP. GROUND CIRCUIT

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





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace circuit.

5. CHECK NATS ANTENNA AMP. SIGNAL CIRCUIT

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





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace circuit.

6. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END