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Uses transponder technology with RED and BLUE chips to identify crypto/non-crypto transponders. BLUE chip for NATS 5.
Mounted near ignition switch or behind fascia. Controls ECM to inhibit starting. May have dongle unit.
Mounted in dashboard, indicates system status. LED shows faults when IGN is ON or accessory.
ECM received signal from IMMU indicating IMMU is malfunctioning.
Control unit is faulty.
Communication between ECM and IMMU.
IMMU receives Key ID, but verification with IMMU is incorrect.
IMMU cannot receive key ID; Key ID & Dongle unit malfunctioning.
ID verification between IMMU and ECM failed. System programming required.
Electronic interference in NATS communication lines.
Engine trouble code detected. Do not erase before checking engine diagnostics.
System shifts to stop engine if unregistered key is used or ECM/IMMU faulty after multiple attempts.
Malfunction of ECM internal circuit of IMMU communication line detected.
Procedure to program keys for NATS 2,3 & 4 (Petrol) systems via diagnostic menu.
Procedure to program keys for NATS 2,3 & 4 (Diesel) systems via diagnostic menu.
Procedure to program keys for NATS 5 systems using a security code.
General| Category | Car Alarm |
|---|---|
| Manufacturer | Nissan |
| Name | NATS (Nissan Anti-Theft System) |
| Type | Immobilizer |
| Compatibility | Nissan vehicles |
| Security Features | Engine immobilizer |
| Remote Control | Yes |
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