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

    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
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    Other materials:

    P0507 ISC System
    Description The ECM controls the engine idle speed to a specified level via the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine idli ...

    IPDM-E branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side and connector side). Is the i ...

    Noise
    Component Function Check SYMPTOM: Noise INSPECTION FLOW *1 HAC-102, "Operational Check" *2 EM-16, "Checking Drive Belts" (QR25DE) or EM-121, "Checking Drive Belts" (VQ35DE) *3 HAC-159, "Performance Chart" *4 HA-45, "Removal and Installation for ...