April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Controls Schematics

Fig 1: Power, Ground, Serial Data and MIL

GM2032782

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Data Sensors - MAF and ECT

GM2032787

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - Oxygen Sensors

GM2032789

Courtesy of GENERAL MOTORS CORP.

Fig 4: Electronic Throttle Controls

GM2032795

Courtesy of GENERAL MOTORS CORP.

Fig 5: Ignition System

GM2032798

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls - Sensors

GM2032800

Courtesy of GENERAL MOTORS CORP.

Fig 7: Fuel Injectors and Fuel Pump

GM2032803

Courtesy of GENERAL MOTORS CORP.

Fig 8: EVAP Controls

GM2032807

Courtesy of GENERAL MOTORS CORP.

Fig 9: Controlled/Monitored Subsystems

GM2032835

Courtesy of GENERAL MOTORS CORP.