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
H02S Control System
This system controls operation (
ON/
OFF) of each heater which assists activation of each
oxygen sensor. ECM (PCM) turns the each heater of oxygen sensor-1 and -2
ON (to allow the electric current to flow to the oxygen sensor heater) when the engine is running without high-load condition after specified time from engine start.
