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
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Other materials: Tachometer
5 inch (13 cm) Type A (if so equipped)
The tachometer indicates engine speed in
revolutions per minute (rpm).
Do not rev the engine into the red zone 1.
7 inch (18 cm) Type B (if so equipped)
CAUTION
When engine speed approaches the
red zone, shift to a higher gear or reduce
engine speed. Operati ...
Vehicle Dynamic Control (VDC) system
The VDC system uses various sensors to
monitor driver inputs and vehicle motion.
Under certain driving conditions, the VDC
system helps to perform the following
functions:
Controls brake pressure to reduce wheel
slip on one slipping drive wheel so power
is transferred to a non-slipping drive
w ...
Operating range
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range from the request
switch (if so equipped) 1.
When the Intelligent Key battery is discharged
or strong radio waves are present
near the operating location, the Intelligent
Key system’s op ...