Diagnosis Procedure 5

NATS (Nissan Anti-Theft System)

Diagnosis Procedure 5

Self-diagnostic results:
"LOCK MODE" displayed on CONSULT screen

1. CONFIRM SELF-DIAGNOSTIC RESULTS

Confirm SELF-DIAGNOSTIC RESULTS "LOCK MODE" is displayed on CONSULT screen.
Is "LOCK MODE" displayed?
Yes- GO TO 2
No- GO TO Trouble Diagnosis .

2. ESCAPE FROM LOCK MODE

1.Turn ignition switch OFF.
2.Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
3.Return the key to OFF position. Wait 5 seconds.
4.Repeat steps 2 and 3 twice (total of three cycles).
5.Start the engine.
Does engine start?
Yes- System is OK (Now system is escaped from "LOCK MODE").
No- GO TO 3

3. PERFORM INITIALIZATION WITH CONSULT

Perform initialization with CONSULT.
For initialization, refer to "CONSULT Operation Manual.
NOTE:
If the initialization is not completed or malfunctions, CONSULT shows the message on the screen.
Can the system be initialized?
Yes- System is OK.
No- GO TO 4

4. PERFORM INITIALIZATION WITH CONSULT AGAIN

1.Replace BCM.
2.Perform initialization with CONSULT.
For initialization, refer to "CONSULT Operation Manual NATS".
NOTE:
If the initialization is not completed or malfunctions, CONSULT shows the message on the screen.
Can the system be initialized?
Yes- System is OK. (BCM is malfunctioning.)
No-ECM is malfunctioning.
- Replace ECM.
- Perform initialization with CONSULT
- For initialization, refer to "CONSULT Operation Manual NATS"