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: 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 ...
System malfunction
If the AEB with Pedestrian Detection system
malfunctions, it will be turned off automatically,
a chime will sound, the AEB with
Pedestrian Detection system warning light
(yellow) will illuminate and the warning
message [Malfunction] will appear in the
vehicle information display.
Action to take
If ...
RCTA system limitations
WARNING
Listed below are the system limitations
for the RCTA system. Failure to operate
the vehicle in accordance with these
system limitations could result in serious
injury or death.
Always check surroundings and turn
to check what is behind you before
backing up. The radar sensors detect
ap ...
Idle air volume learning
Function diagnosis