Nissan Altima (L32) 2007-2012 Service Manual: Mixture ratio self-learning value
clear
Description
This describes how 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. Make sure 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 each engine idle speed
within the specific range. It must be performed under any of the following ...
Other materials: Chassis Control (if so equipped)
The chassis control is an electric control
module that includes the following functions:
Intelligent Trace Control
Active Ride Control
Intelligent Trace Control (I-TC)
This system senses driving based on the
driver’s steering and acceleration/braking
patterns, and controls brake pressure at
in ...
Manual anti-glare rearview mirror
(if so equipped)
Use the night position 1 to reduce glare
from the headlights of vehicles behind you
at night.
Use the day position 2 when driving in
daylight hours.
WARNING
Use the night position only when necessary,
because it reduces rear view
clarity.
Automatic anti-glare rearview mirror
(if so equipped)
The ...
System temporarily unavailable
For vehicles with the 7 inch (18 cm) display
When radar blockage is detected, the system
will be deactivated automatically. The
"Unavailable: Side Radar Obstruction"
warning message will appear in the vehicle
information display.
The systems are not available until the
conditions no longer exist.
...
Idle air volume learning
Function diagnosis