NATS / Gasoline engine — Diagnostic Procedure 6 ("LOCK MODE")
EL-7071flowchartLOCK MODE escape recipe: 3 cycles of (IGN ON 5 s → IGN OFF) with a registered key. If still locked, check IMMU installation and re-init. Source heading prints 'DIAGNOSIC PROCEDURE 6' — typo for 'DIAGNOSTIC'.
NATS (Nissan Anti-Theft System) / Gasoline engine
Trouble Diagnoses (Cont'd)
DIAGNOSIC PROCEDURE 6
NOTE
Self-diagnostic results: "LOCK MODE" displayed on CONSULT-II screen.
1
A — Confirm SELF-DIAGNOSTIC RESULTS "LOCK MODE" is displayed on CONSULT-II screen.
2
1. Turn the ignition switch to OFF position. 2. Turn the ignition key switch to ON position with a registered key. (Do not start engine.) Wait 5 seconds. 3. Return the key to the OFF position. 4. Repeat steps 2 and 3 twice (total of three cycles). 5. Start the engine. Does the engine start?
Yes
System is OK. (Now the system is escaped from "LOCK MODE".)
No
3
CHECK NATS IMMU INSTALLATION. Refer to "How to Replace NATS IMMU" in EL-290.
NG
Reinstall NATS IMMU correctly.
OK
4
PERFORM INITIALIZATION. Perform initialization with CONSULT-II. For the initialization procedure, refer to "CONSULT-II operation manual NATS". Can the system be initialized? Note: If the initialization is incompleted or failed, CONSULT-II shows B message on the screen.
No
Go to DIAGNOSTIC PROCEDURE 4, EL-286 to check "CHAIN OF IMMU-KEY".
Yes (initialised)
5
System is OK.
See also
How to Replace NATS IMMU — EL-290 · EL-286 Diagnostic Procedure 4 (CHAIN OF IMMU-KEY)