Nissan Altima 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

    Idle air volume learning
     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 ...

    Function diagnosis
    ...

    Other materials:

    Thermostat and thermostat housing
    Removal and Installation 1. Gasket 2. Thermostat assembly WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator. REMOVAL CAUTION: Perform when engine is cool. 1. Drain engine coolant from the radiat ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dr ...

    Audio unit (coupe)
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram — Coupe ...