Intelligent key system/engine start function
Wiring diagram














Nissan vehicle immobilizer systemnats
Wiring Diagram









Vehicle security system
Wiring diagram










Ecu diagnosis information
Basic inspectionP0420 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
P1588 G Sensor
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P1588
G Sensor
(Gravity Sensor Circuit)
When the following diagnosis conditions are
satisfied and the detection conditi ...
Basic inspection
Diagnosis and repair workflow
Trouble diagnosis flow chart
Trouble diagnosis procedure
Interview with customer
Interview with the customer is important to detect the root cause of can
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosi ...