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 CONSULT screen displayed as shown above [P1610]?
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 [INITIALIZATION FAIL].
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".
NOTE:
If the initialization is not completed or malfunctions, CONSULT shows the message on the screen [INITIALIZATION FAIL].
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"