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

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Electrical Diagrams



ENGINE CONTROLS SCHEMATICS

Power, Ground, Serial Data, DIC, and Indicators







Engine Data Sensors - 5-Volt Reference Bus







Engine Data Sensors - Low Reference Bus







Engine Data Sensors - BARO, ECT, MAF, and IAT Sensors







Engine Data Sensors - Heated Oxygen Sensors (HO2S)







Engine Data Sensors - Throttle Actuator Control (TAC) System







Ignition Controls - Bank 1 IGN Coils







Ignition Controls - Bank 2 IGN Coils







Ignition Controls - Sensors and CMP Actuator Solenoids







Ignition Controls - Crankshaft Position Sensor (CKP) and Knock Sensors (KS)







Fuel Controls - Fuel Injectors, Fuel Pump and Sender Assembly







Fuel Controls - EVAP Controls and IMRC Solenoid







Controlled/Monitored 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