Without Intelligent Key System

P1614 CHAIN OF IMMU-KEY





Description
Performs ID verification through BCM and NATS antenna amplifier when ignition knob switch is pressed.
Prohibits the release of steering lock or 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 key cylinder.
2. Turn ignition knob switch.
3. Check "Self Diagnostic Result" with CONSULT-III.
Is DTC detected?
YES - Without Intelligent Key System.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. With Intelligent Key System.
Is the inspection result normal?
YES - GO TO 2.
NO - Reinstall NATS antenna amp. correctly.
2.CHECK IGNITION KEY
Start engine with another registered ignition key.
Does the engine start?
YES - Replace ignition key. Perform initialization and registration of ignition key. Refer to "CONSULT-III
Operation Manual NATS-IVIS/NVIS"
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
Intermittent Incident.
- INSPECTION END