Nvis (nissan vehicle immobilizer system- nats)
Wiring Diagram
Vehicle security system
Wiring diagram
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on can communication system.
Check terminals and connectors for damage, bend and loose connection.
Is the inspection resu ...
P0111 IAT Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0111
IAT SENSOR 1 B1
(Intake air temperature sensor 1
circuit range/performance bank 1)
The comparison result of signals transmitte ...
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...