Operation CHARM: Car repair manuals for everyone.
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

Test HX: Evaporative Emission (EVAP) System and Monitor



Evaporative Emission (EVAP) System and Monitor































EVAP Canister Vent Valve Connector - For applications using the engine off natural vacuum (EONV) EVAP leak check monitor, KAPWR provides voltage to the EVAP canister vent valve instead of VPWR.





Harness Side






EVAP Purge Valve Connector





Harness Side






Fuel Tank Pressure (FTP) Sensor Connector





Harness Side






Powertrain Control Module (PCM) Connector - For PCM connector views or reference values, refer to Reference Values.





Harness Side