The air conditioner system in your NISSAN vehicle is charged with a refrigerant designed with the environment in mind.
This refrigerant does not harm the earth's ozone layer.
Special charging equipment and lubricant is required when servicing your NISSAN air conditioner.
Using improper refrigerants or lubricants will cause severe damage to your air conditioner system. For additional information, refer to "Air conditioner system refrigerant and oil recommendations" in the "Technical and consumer information" section of this manual.
It is recommended that you visit a NISSAN dealer to service your "environmentally friendly" air conditioning system.
WARNING
The air conditioner system contains refrigerant under high pressure. To avoid personal injury, any air conditioner service should be done only by an experienced technician with proper equipment.
Heater and Air Conditioner (manual)WARNING The air conditioner cooling function operates only when the engine is running. Do not leave children or adults who would normally require the assistance of others alone in your veh ...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,400 rpm under no load (for example, the shift
lever position is neutral and
engine speed is over 2,400 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
ba ...