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

Engine Controls Diagram 1:






5V and Low Reference Bus 1

Engine Controls Diagram 2:






5V and Low Reference Bus 2

Engine Controls Diagram 3:






Engine Data Sensors - Pressure, Temperature, and Extended Brake Travel

Engine Controls Diagram 4:






Engine Data Sensors - Oxygen Sensors

Engine Controls Diagram 5:






Engine Data Sensors - Throttle Actuator Controls

Engine Controls Diagram 6:






Ignition Controls - Bank 1 Ignition System

Engine Controls Diagram 7:






Ignition Controls - Bank 2 Ignition System

Engine Controls Diagram 8:






Ignition Controls - CKP and KS Sensors

Engine Controls Diagram 9:






Ignition Controls - CMP Sensors and Actuator Solenoids

Engine Controls Diagram 10:






Fuel Controls - Fuel Pump and Fuel Injectors

Engine Controls Diagram 11:






Fuel Controls - EVAP Controls and Manifold Tuning

Engine Controls Diagram 12:






Subsystem References

Engine Controls Diagram 13: