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)
Or, hide this message:
temporarily or
permanently
Idle Air Adjusting Unit (IAA)
This unit consists of an auxiliary air control valve, FICD solenoid valve and idle adjusting screw. The IAA receives the signal from the ECU and controls the
idle speed at the preset value.