P1614

P1614 CHAIN OF IMMU-KEY





Description
Performs ID verification through BCM and NATS antenna amp. when ignition switch is ON position.
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 the key cylinder.
2. Turn ignition switch ON.
3. Check "Self diagnosis result" with CONSULT-III.
Is DTC detected?
YES - P1614.
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. B2190.
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. Perform initialization and registration and registration of ignition key. Refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS".
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. 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