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Engine Controls Schematics

Fig 1: ECM Power, Ground, MIL, and Serial Data

GM1899454

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5-Volt Reference Bussing

GM1899472

Courtesy of GENERAL MOTORS CORP.

Fig 3: Low Reference Bussing

GM1899476

Courtesy of GENERAL MOTORS CORP.

Fig 4: MAF/IAT, ECT, MAP Sensors, and Stop Lamp Switch Signal

GM1899480

Courtesy of GENERAL MOTORS CORP.

Fig 5: Heated Oxygen Sensors

GM1899484

Courtesy of GENERAL MOTORS CORP.

Fig 6: Electronic Throttle Controls

GM1899485

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Coils Bank 1

GM1899486

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Coils Bank 2

GM1899490

Courtesy of GENERAL MOTORS CORP.

Fig 9: CMP and KS Sensors

GM1899492

Courtesy of GENERAL MOTORS CORP.

Fig 10: CMP Sensors, and Actuators

GM1899494

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Injectors

GM1899497

Courtesy of GENERAL MOTORS CORP.

Fig 12: EVAP Solenoids, and FTP Sensor

GM1899498

Courtesy of GENERAL MOTORS CORP.

Fig 13: Fuel Pump Controls

GM1899503

Courtesy of GENERAL MOTORS CORP.

Fig 14: Controlled/Monitored Subsystem References

GM1899505

Courtesy of GENERAL MOTORS CORP.