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
If it fails: lemon-manuals.org.ua

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System Diagram



ENGINE CONTROLS SCHEMATICS

Module Power, Ground, Serial Data, and MIL







Engine Data Sensors - 5-Volt and Low Reference







Engine Data Sensors - Electronic Throttle Controls, MAF, Pressure, and Temperature







Engine Data Sensors - Oxygen Sensors







Engine Data Sensors - Injection Timing Controls







Ignition Controls - Ignition System







Fuel Controls - Fuel Pump Controls







Fuel Controls - Fuel Injectors







Fuel Controls - EVAP Controls







Device Controls - K18







Controlled/Monitored Subsystem and Transmission 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