NATS (Nissan Anti-Theft System) / Diesel engine — Circuit Diagram (Supplement-VII)
EL-7076wiring diagramDiesel NATS — 12-pin IMMU, separate antenna amp, CSOLU = kill mechanism. Same fundamental architecture as Supplement-VI.
Circuit Diagram
Wiring Schematic
Components (12)
Connections (11)
IGN
IGNF1IGN feed
F1
F1IMMUTo IMMU pin 2
BAT
BATF3Battery feed
BATF4Security indicator supply
F3
F3IMMUTo IMMU pin 1
F4
F4INDIndicator anode
IND
INDIMMUIndicator → IMMU pin 6
DLC
DLCIMMUDLC pins → IMMU pins 8/10/11
IMMU
IMMUANTIMMU pins 3/4/5/7 → ANT pins 1/2/3/4
IMMUCSOLUIMMU pin 12 → CSOLU (kill-line authorisation)
CSOLU
CSOLUGNDCSOLU ground
NOTE
Diesel NATS architecture. Three key differences vs gasoline:
• 12-pin IMMU (vs 8-pin gas)
• Separate NATS ANTENNA AMP module (4-pin) — gas integrates antenna in IMMU
• CSOLU (Control Solenoid Unit — diesel injection-pump fuel-cut solenoid) replaces ECM as the immobilisation actuator. Without NATS authorisation, CSOLU stays closed = no fuel = engine cranks but won't fire.
DLC routes through IMMU pins 8/10/11 for CONSULT-II programming — same overall architecture as Supplement-VI EL-6046 but with renumbered pins.
WARNING
Diesel NATS fault symptom: engine cranks but won't fire (no fuel delivery). Don't chase fuel-system parts — check NATS first. If IMMU is faulty or key is unregistered, CSOLU never opens, no fuel.