Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Powertrain Management » Tune-up and Engine Performance Checks » Idle Speed » Testing and Inspection » Idle Air Volume Learning » Description  
 
 
  Description  
 

Inspection AND ADJUSTMENT

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 conditions:

  • Each time the electric throttle control actuator or ECM is replaced.
  • Idle speed or ignition timing is out of the specification.