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)

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Electrical Diagrams



ENGINE CONTROLS SCHEMATICS

PCM Power, Ground, Communication and the MIL







5-Volt References







Low References







Engine Data Sensors - Pressure, Temperature and the Stop Lamp Switch







Engine Data Sensors - Bank 1 Oxygen Sensors







Engine Data Sensors - Bank 2 Oxygen Sensors







Engine Data Sensors - Throttle Actuator Controls







Ignition Controls - Ignition Modules







Engine Data Sensors - KS, CKP and CMP Sensors







Fuel Controls - Fuel Pump, Injectors, Rocker Arm Solenoid and Rocker Arm Switch







EVAP Controls







Controlled/Monitored Subsystem References







Transmission Controls 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