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
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Description
INSPECTION AND ADJUSTMENTIDLE 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 any of the following conditions:
-
Each time electric throttle control actuator or ECM is replaced.
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Idle speed or
ignition timing is out of specification.