Nissan Altima (L32) 2007-2012 Service Manual: Mixture ratio self-learning value
clear
Description
This describes show to erase the mixture ratio self-learning value. For the
actual procedure, follow the instructions
in “Diagnosis Procedure”.
Special Repair Requirement
1.START
1. Start engine and warm it up to normal operating temperature.
2. Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode with CONSULT-III.
3. Clear mixture ratio self-learning value by touching “CLEAR”.
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness connector.
6. Select Service $03 with GST. Check that DTC P0102 is detected.
7. Select Service $04 with GST to erase the DTC P0102.
>> END
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps engine idle speed within
the specific range. It must be performed under the following condi ...
Other materials: ICC system limitations
WARNING
Listed below are the system limitations
for the ICC system. Failure to operate
the vehicle in accordance with these
system limitations could result in serious
injury or death:
The ICC system is primarily intended
for use on straight, dry, open roads
with light traffic. It is not advisabl ...
Rapid air pressure loss
Rapid air pressure loss or a "blow-out" can
occur if the tire is punctured or is damaged
due to hitting a curb or pothole. Rapid air
pressure loss can also be caused by driving
on under-inflated tires.
Rapid air pressure loss can affect the handling
and stability of the vehicle, especially
at highw ...
Changing engine oil and oil filter
For additional information on engine oil
and oil filter change, refer to the instructions
outlined in this section.
Vehicle set-up
1. Park the vehicle on a level surface and
apply the parking brake.
2. Run the engine until it reaches operating
temperature.
3. Turn the engine off and wait for 15 mi ...
Idle air volume learning
Function diagnosis