Engine Controls Schematics

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

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5-Volt and Low Reference Bussing

Courtesy of GENERAL MOTORS CORP.

Fig 3: BARO, MAP, ECT, and IAT/MAF Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 4: IAT/MAF Sensor, Super Charger Boost Control Solenoid, and A/T Controls VSS References

Courtesy of GENERAL MOTORS CORP.

Fig 5: Heated Oxygen Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 6: Electronic Throttle Controls

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Control Module

Courtesy of GENERAL MOTORS CORP.

Fig 8: Fuel Pump Controls

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Injectors

Courtesy of GENERAL MOTORS CORP.

Fig 10: EVAP Solenoids, FTP Sensor, and EGR Valve

Courtesy of GENERAL MOTORS CORP.

Fig 11: Controlled/Monitored Subsystem References

Courtesy of GENERAL MOTORS CORP.

Fig 12: Automatic Transmission Controls References

Courtesy of GENERAL MOTORS CORP.

Fig 13: Secondary Air Injection (AIR) - NU3

Courtesy of GENERAL MOTORS CORP.