LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
2006
>>
STS V
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System - 4.4L - Introduction (2 Of 2)
>>
Schematic and Routing Diagrams
>>
Engine Controls Schematics
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Engine Controls Schematics
Fig 1: ECM Power, Ground, Serial Data, and MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temperature, MAF, VSS
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Oxygen Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Electronic Throttle Controls
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition System Bank 1
Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition System Bank 2
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - CMP Sensors and Solenoids
Courtesy of GENERAL MOTORS CORP.
Fig 9: Crankshaft Position (CKP) Sensor and Knock Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - Injectors and Pump
Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - EVAP, Fuel Tank Pressure (FTP) Sensor, Vacuum Bypass Valve
Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References
Courtesy of GENERAL MOTORS CORP.
Fig 13: Charge Air Cooler (CAC) Coolant Pump
Courtesy of GENERAL MOTORS CORP.
Fig 14: Engine Data Sensors - IAT 2, BARO, SCIAP
Courtesy of GENERAL MOTORS CORP.