P1614

P1614 CHAIN OF IMMU-KEY





Description
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.




DTC Logic

DTC DETECTION LOGIC

DTC DETECTION LOGIC:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Insert Intelligent Key into the key slot.
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to P1614.
NO - GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Press the push-button ignition switch.
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to P1614.
NO - INSPECTION END




Diagnosis Procedure
1. INSPECTION START
Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?
DTC confirmation procedure 1-GO TO 2.
DTC confirmation procedure 2-GO TO 4.
2.CHECK KEY SLOT INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot harness connector and ground.





Is the inspection result normal?
YES - Replace key slot. Refer to Removal And Installation.
NO - GO TO 3.
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harness connector.





3. Check continuity between key slot harness connector and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace harness or connector.
4.CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON?
YES - GO TO 5.
NO - GO TO 7.
5.CHECK KEY SLOT COMMUNICATION SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot harness connector and ground.





Is the inspection result normal?
YES - Replace key slot. Refer to Removal And Installation.
NO - GO TO 6.
6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between key slot harness connector and BCM harness connector.





3. Check continuity between key slot harness connector and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace harness or connector.
7.CHECK KEY SLOT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check continuity between key slot harness connector and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace harness or connector.
8.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END