Nvis (nissan vehicle immobilizer system- nats)
Wiring Diagram







Vehicle security system
Wiring diagram












Ecu diagnosis information
Basic inspectionPreparation
Special Service Tools
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
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Standardized relay
Description
Normal open, normal closed and mixed type relays
Relays can mainly be divided into three types: normal open, normal closed and
mixed type relays.
Type of standardized relays
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Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal
Check the terminals and connectors of the a/c auto amp. For damage, bend
and loose connection (unit
side and connector side).
Is the inspection result normal?
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