Operation CHARM: Car repair manuals for everyone.

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.