P1614

P1614 CHAIN OF IMMU-KEY

Description

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


DTC 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.
Is DTC detected?
YES- Go to .
NO- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE 2

1.Press the push-button ignition switch.
2.Check "Self diagnostic result" with CONSULT.
Is DTC detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. INSPECTION START

Check the case in which DTC is detected.
- Case1: It is detected when Intelligent Key is inserted into key slot.
- Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected?
Case1. - GO TO 2.
Case2. - 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. Removal And Installation.
NO- GO TO 3.

3. CHECK KEY SLOT CIRCUIT

1.Disconnect BCM connector M122.
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- Replace BCM. Removal And Installation.
NO- Repair or replace harness.

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. Removal And Installation.
NO- GO TO 6.

6. CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT

1.Disconnect BCM connector M122.
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- Replace BCM. Removal And Installation.
NO- Repair or replace harness.

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.

8. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END