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
A/C Signal: Description and Operation
The ECU energizes the A/C relay to engage the compressor clutch when it receives an "ON" signal from the A/C switch. Concurrently, the ECU makes adjustments to fuel injection quantity,
idle speed and
ignition timing to maintain smooth engine operation.