Nissan Altima 2007-2012 Service Manual: 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 following conditions:

    Throttle valve closed position learning
     Description Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle valve by monitoring the throttle position sensor output signal. I ...

    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 ...

    Other materials:

    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 in ...

    P1723 CVT speed sensor function
    Description The vehicle speed sensor CVT [output speed sensor (secondary speed sensor)] detects the revolution of parking gear and generates a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle speed. The input speed sensor (primary speed sensor) detects the ...

    Diagnosis system (TCM)
    CONSULT-III Function (TRANSMISSION) CONSULT-III can display each diagnostic item using the diagnostic test modes shown below. FUNCTION WORK SUPPORT MODE Display Item List Engine Brake Adjustment CAUTION: Mode of ...