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.


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.


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:

    Front seat
    Exploded View DRIVER'S SEAT 1. Headrest 2. Headrest holder (locked) 3. Headrest holder (free) 4. Seatback board 5. Seatback assembly 6. Slide cover 7. Seat belt buckle 8. Seat harness 9. Seat cushion heater unit 10. Seat cushion 11. Seat trim 12. Front leg covers 13. Seat cushion fr ...

    B2556 push-button ignition switch
    Description The switch that changes the power supply position. BCM maintains the power supply position status. BCM changes the power supply position with the operation of the push-button ignition switch. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATIO ...

    P2119 electric throttle control actuator
    Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The throttle position sensor detects the throttle valve position, and the openi ...