Nissan Altima Owners Manual: F.M.V.S.S./C.M.V.S.S. certification label
The Federal/Canadian Motor Vehicle Safety Standard (F.M.V.S.S./C.M.V.S.S.) certification label is affixed as shown. This label contains valuable vehicle information, such as: Gross Vehicle Weight Ratings (GVWR), Gross Axle Weight Rating (GAWR), month and year of manufacture, Vehicle Identification Number (VIN), etc. Review it carefully.
Engine serial number
The number is stamped on the engine as shown.
...
Emission control information label
The emission control information label is attached
to the underside of the hood as shown. ...
Other materials:
BCM (Body control module)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti-pinch
3: With LH and RH front window anti-pinch
4: With Intelligent Key
5: Without Intelligent Key
Wiring Diagram-Sedan
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P0441 evap control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0441 is displayed with other DTC such as P2122, P2123, P2127, P2128 or
P2138, first perform
trouble diagnosis for other DTC.
In this evaporative emission (EVAP) control system, purge flow occurs during
non-closed throttle conditions.
Purge vo ...
On board diagnostic (OBD) system
Diagnosis Description
INTRODUCTION
The ECM has an on board diagnostic system, which detects malfunctions related
to engine sensors or actuators.
The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in ...