Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
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Description
IDLE AIR VOLUME LEARNINGDescription 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:
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Each time electric throttle control actuator or ECM is replaced.
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Each time VVEL actuator sub assembly or VVEL control module is replaced.
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Idle speed or
ignition timing is out of specification.