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

Module Power, Ground, Serial Data and MIL







5-Volt and Low References







Engine Data Sensors - Pressure, Temperature, and Throttle Control







Engine Data Sensors - HO2S







Ignition Controls - Ignition System







Ignition Controls - Sensors







Fuel Controls - Fuel Injectors and Fuel Pump







Fuel Controls - EVAP Controls







Secondary Air Injection (AIR) (NU6)







Monitored/Controlled Subsystem 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