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

Electrical Diagrams



ENGINE CONTROLS SCHEMATICS

Power, Ground, MIL, and DLC







Engine Data Sensors, 5V Reference Bussing







Engine Data Sensors, Pressure, Temp, and MAF/IAT







Engine Data Sensors, HO2S







Engine Data Sensors, APP and TAC







Ignition Controls, CKP, CMP, Knock Sensors







Fuel Controls







EVAP Controls







EGR and EVAP Purge







Controlled and Monitored Subsystem References







Automatic Transmission Controls References







Locations: The locations for the Connectors, Grounds, Splices, and Grommets shown within these diagrams can be found via their numbers at Vehicle Locations. Locations