Nissan Altima 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
Idle air volume learning
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 fol ...
Other materials:
Battery
How to Handle Battery
CAUTION:
• If it becomes necessary to start the engine with a booster battery and jumper
cables, use a 12-volt
booster battery.
• After connecting battery cables, ensure that they are tightly clamped to
battery terminals for good
contact.
• Never add distill ...
Precaution
HANDLING PRECAUTIONS FOR PLASTICS
Precautions For Plastics
1. When repairing and painting a portion of the body adjacent to plastic
parts, consider their characteristics
(influence of heat and solvent) and remove them if necessary or take suitable
measures to protect them.
2. Plastic par ...
Vehicle security indicator
Description
• Vehicle security indicator is built in combination meter.
• NVIS (Nissan Vehicle Immobilizer System-NATS) and vehicle security system
conditions are indicated by
blink or illumination of vehicle security indicator.
Component Function Check
1.CHECK FUNCTION
1. Perform ...