GM Service Manual Online
For 1990-2009 cars only

Engine Controls Schematics European Emissions

Figure 1:

Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)


Object Number: 1456546  Size: FS
Master Electrical Component List
Engine Data Sensors - Pressure and Temperature
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
Shift and Pressure Control Solenoids
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
Power Steering, Shift Program, Air Bag, Seat Belt, Oil Pressure, MIL, ABS, TCS, Parking Brake, and Charging Waring Lamps
Figure 2:

Engine Data Sensors - Pressure And Temperature


Object Number: 1471519  Size: FS
Master Electrical Component List
Engine Data Sensors - Oxygen Sensors (O2S)
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Vehicle Speed Sensor (VSS)
Figure 3:

Engine Data Sensors - Oxygen Sensors (O2S)


Object Number: 1471520  Size: FS
Master Electrical Component List
Ignition Controls - Ignition System
Engine Data Sensors - Pressure and Temperature
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.2L
Figure 4:

Ignition Controls - Ignition System


Object Number: 1471521  Size: FS
Master Electrical Component List
Ignition Controls - Sensors
Engine Data Sensors - Oxygen Sensors (O2S)
I/P Fuse Block - CLSTR, AIR BAG, BCK/UP, and ENG FUSE BOX DRL Fuses
Underhood Fuse Block - FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Figure 5:

Ignition Controls - Sensors


Object Number: 1471522  Size: FS
Master Electrical Component List
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Ignition Controls - Ignition System
G104 - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.5L
Figure 6:

Fuel Controls - Fuel Pump Controls And Fuel Injectors


Object Number: 1471523  Size: FS
Master Electrical Component List
Fuel Controls - EVAP Controls
Ignition Controls - Sensors
I/P Fuse Block - CLSTR, AIR BAG, BCK/UP, and ENG FUSE BOX DRL Fuses
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.5L
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.5L
Figure 7:

Fuel Controls - EVAP Controls


Object Number: 1471524  Size: FS
Master Electrical Component List
Device Controls
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.5L
Figure 8:

Device Controls


Object Number: 1471526  Size: FS
Master Electrical Component List
Controlled/Monitored Subsystem References
Fuel Controls - EVAP Controls
Underhood Fuse Block - FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Underhood Fuse Block - FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Figure 9:

Controlled/Monitored Subsystem References


Object Number: 1471527  Size: FS
Master Electrical Component List
Device Controls
Powers, Grounds, Wheel Speed Sensors
Power, Ground and Gages - 1.8L/2.0L
MR-140
Compressor Controls - HV-240
Compressor Controls - HV-240

Engine Controls Schematics Non European Emissions

Figure 1:

Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)


Object Number: 1471574  Size: FS
Master Electrical Component List
Engine Data Sensors - Pressure and Temperature, Oxygen Sensor (O2S)
Underhood Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
I/P Fuse Block - ECM Fuse
Module Power, Ground, Malfunction Indicator Lamp (MIL), Hold Lamp and Serial Data
MR140
I/P Fuse Block - ECM Fuse
Power, Ground and Gages - 1.8L/2.0L
Figure 2:

Engine Data Sensors - Pressure and Temperature, Oxygen Sensor (O2S)


Object Number: 1471547  Size: FS
Master Electrical Component List
Ignition Controls - Ignition System
Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
Vehicle Speed Sensor (VSS)
Figure 3:

Ignition Controls - Ignition System


Object Number: 1471548  Size: FS
Master Electrical Component List
Ignition Controls - Sensors
Engine Data Sensors - Pressure and Temperature, Oxygen Sensor (O2S)
Power, Ground and Gages - 1.8L/2.0L
Underhood Fuse Block - FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Figure 4:

Ignition Controls - Sensors


Object Number: 1471549  Size: FS
Master Electrical Component List
Fuel Controls - Fuel Pump Controls and Fuel Injectors
Ignition Controls - Ignition System
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - 1.5L
Engine Data Sensors - Oxygen Sensors (O2S)
Figure 5:

Fuel Controls - Fuel Pump Controls And Fuel Injectors


Object Number: 1471551  Size: FS
Master Electrical Component List
Device Controls
Ignition Controls - Sensors
Power, Ground and Gages - 1.8L/2.0L
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - FUEL PUMP Relay and FUEL PUMP and IGN COIL Fuses
Figure 6:

Device Controls


Object Number: 1471552  Size: FS
Master Electrical Component List
Controlled/Monitored Subsystem References
Warning Lamps, Serial Data, Rough Road
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Underhood Fuse Block - MAIN Relay and ECM, ENG SNSR, and INJ Fuses - MR-140
Figure 7:

Controlled/Monitored Subsystem References


Object Number: 1471578  Size: FS
Master Electrical Component List
Device Controls
Power, Ground and Gages - 1.8L/2.0L
MR-140
Compressor Controls - MR-140
Compressor Controls - MR-140