Diagnostic Procedure 4

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Self-diagnostic results:

"LOCK MODE" displayed on CONSULT-II screen

CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS "LOCK MODE" is displayed on CONSULT-II screen.

Fig 1: CONSULT-II Data Display LOCK MODE
Courtesy of NISSAN MOTOR CO., U.S.A.

Is CONSULT-II screen displayed as shown?
- Yes: GO TO 2.
- No: GO TO "SYMPTOM MATRIX CHART 1 ".
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.
PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II.

For initialization, refer to "CONSULT-II Operation Manual NATS-IVIS/NVIS".

NOTE: If the initialization is not completed or malfunctions, CONSULT-II shows the message on the screen.

Fig 2: CONSULT-II Data Display INITIALIZATION FAIL
Courtesy of NISSAN MOTOR CO., U.S.A.

Can the system be initialized?
- Yes: System is OK.
- No: GO TO 4.
PERFORM INITIALIZATION WITH CONSULT-II AGAIN
1. Replace BCM.
2. Perform initialization with CONSULT-II.
  For initialization, refer to "CONSULT-II Operation Manual NATS-IVIS/NVIS".
NOTE: If the initialization is not completed or malfunctions, CONSULT-II shows the message on the screen.

Fig 3: CONSULT-II Data Display INITIALIZATION FAIL
Courtesy of NISSAN MOTOR CO., U.S.A.

Can the system be initialized?
- Yes: System is OK. (BCM is malfunctioning. Ref. part No. A)
- No:
  - ECM is malfunctioning.
  - Replace ECM. Ref. part No. B
  - Perform initialization with CONSULT-II.
    For initialization, refer to "CONSULT-II Operation Manual NATS-IVIS/NVIS".