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 ...

    Other materials:

    Lifting point
    Special Service Tool The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here. CAUTION: • Every time the vehicle is lifted up, maintain the complete vehicle curb condition. • Since the vehicle's center of gravity changes when removing main ...

    Front bumper
    Removal and Installation 1. Front bumper supports 2. Front bumper side bracket 3. Reinforcement bracket 4. Front bumper reinforcement 5. Front energy absorbing foam 6. Front bumper fascia 7. Tow hook cover 8. Front grille 9. License plate bracket 10. Fog lamp finisher (if equipped) 11. ...

    Instrument panel
    1. Instrument brightness control/Trip computer reset switch 2. Vents 3. Headlight/fog light (if so equipped)/turn signal switch 4. Driver supplemental air bag/horn 5. Meters and gauges 6. Paddle shift controls (if so equipped) 7. Windshield wiper/washer switch 8. Hazard warning flasher ...