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

Powertrain Controls




Power, Ground and MIL




Data Link Connector




Bank 1 Ignition Coil/Modules




Bank 2 Ignition Coil/Modules




Engine Speed Output, CKP, CMP and Knock Sensors




Fuel System




Injector Circuits




Information Sensors




Heated Oxygen Sensors




AIR and IAC




TCS Retard Signal, VSS Output and VSS Signal




[1][2]EVAP and EGR




Oil Level, ETC, Cruise Control and Generator




Clutch Anticipate Switch, Reverse Inhibit and Skip Shift Solenoids




Automatic Transmission, Stop Lamp Switch




Automatic Transmission, PNP Switch




A/C System




Engine Cooling Fans