Engine Controls Schematics

Fig 1: Power, Ground, MIL and DLC

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Data Sensors, 5-Volt Reference Bussing

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - Pressure, Temp and MAF/IAT

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors, HO2S

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors, APP and TAC

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls - 1 of 2

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls - 2 of 2

Courtesy of GENERAL MOTORS CORP.

Fig 8: CKP, CMP, Knock Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Controls

Courtesy of GENERAL MOTORS CORP.

Fig 10: EVAP Controls

Courtesy of GENERAL MOTORS CORP.

Fig 11: AIR, EGR

Courtesy of GENERAL MOTORS CORP.

Fig 12: Controlled/Monitored Subsystem References

Courtesy of GENERAL MOTORS CORP.