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
Purpose
To control spark knock (detonation), a
Knock Sensor (KS) system is used. The KS system allows the PCM to adjust ignition timing to eliminate spark knock. This provides optimal driveability and fuel economy under all operating conditions.