GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Module Power, Ground, Serial Data, and MIL


Object Number: 1883291  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
5 Volt 1 and Low Reference
Figure 2:

5 Volt 1 and Low Reference


Object Number: 1883292  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
5 Volt 2 and Low Reference
Module Power, Ground, Serial Data, and MIL
Figure 3:

Engine Data Sensors - Pressure and Temperature


Object Number: 1883296  Size: FS
Master Electrical Component List
Control Module References
Engine Data Sensors - Heated Oxygen Sensors (HO2S)
5 Volt 2 and Low Reference
Figure 4:

Engine Data Sensors - Heated Oxygen Sensors (HO2S)


Object Number: 1883297  Size: FS
Master Electrical Component List
Control Module References
Engine Data Sensors - Throttle Controls
Engine Data Sensors - Pressure and Temperature
Figure 5:

Engine Data Sensors - Throttle Controls


Object Number: 1883298  Size: FS
Master Electrical Component List
Throttle Actuator Control (TAC) System Description
Control Module References
Igntion Controls - Ignition System Coils
Engine Data Sensors - Heated Oxygen Sensors (HO2S)
Figure 6:

Ignition Controls - Ignition System Coils


Object Number: 1883299  Size: FS
Master Electrical Component List
Electronic Ignition (EI) System Description
Control Module References
Ignition Controls - Sensors - 1 of 2
Engine Data Sensors - Throttle Controls
Figure 7:

Ignition Controls - Sensors 1 of 2


Object Number: 1883300  Size: FS
Master Electrical Component List
Electronic Ignition (EI) System Description
Control Module References
Ignition Controls - Sensors - 2 of 2
Igntion Controls - Ignition System Coils
Figure 8:

Ignition Controls - Sensors 2 of 2


Object Number: 1883301  Size: FS
Master Electrical Component List
Electronic Ignition (EI) System Description
Control Module References
Fuel Controls - Fuel Injectors
Ignition Controls - Sensors - 1 of 2
Figure 9:

Fuel Controls - Fuel Injectors


Object Number: 1883302  Size: FS
Master Electrical Component List
Fuel System Description
Control Module References
Fuel Controls - Fuel Pump Controls
Ignition Controls - Sensors - 2 of 2
Figure 10:

Fuel Controls - Fuel Pump Controls


Object Number: 1883303  Size: FS
Master Electrical Component List
Fuel System Description
Control Module References
Fuel Controls - EVAP Controls
Fuel Controls - Fuel Injectors
Figure 11:

Fuel Controls - EVAP Controls


Object Number: 1883304  Size: FS
Master Electrical Component List
Evaporative Emission Control System Description
Control Module References
Controlled/Monitored Subsystem References
Fuel Controls - Fuel Pump Controls
Figure 12:

Controlled/Monitored Subsystem References


Object Number: 1883305  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - EVAP Controls
Figure 1:

Module Power, Ground, Serial Data, and MIL (LZ4)


Object Number: 2079799  Size: FS
Figure 2:

Engine Data Sensors - 5-Volt 1 and Low Reference (LZ4)


Object Number: 2079804  Size: FS
Figure 3:

Engine Data Sensors - Pressure and Temperature (LZ4)


Object Number: 2079811  Size: FS
Figure 4:

Engine Data Sensors - Heated Oxygen Sensors (HO2S) (LZ4)


Object Number: 2079814  Size: FS
Figure 5:

Engine Data Sensors - Throttle Actuator Controls (LZ4)


Object Number: 2079818  Size: FS
Figure 6:

Ignition Controls - Ignition System (LZ4)


Object Number: 2079822  Size: FS
Figure 7:

Ignition Controls - CKP and KS Sensors (LZ4)


Object Number: 2079825  Size: FS
Figure 8:

Ignition Controls - CMP Sensors and Actuator Solenoids (LZ4)


Object Number: 2079832  Size: FS
Figure 9:

Fuel Controls - Fuel Injectors (LZ4)


Object Number: 2079836  Size: FS
Figure 10:

Fuel Controls - Fuel Pump Controls (LZ4)


Object Number: 2079841  Size: FS
Figure 11:

Fuel Controls - Evaporative Emissions (EVAP) Controls (LZ4)


Object Number: 2079846  Size: FS
Figure 12:

Controlled/Monitored Subsystem References (LZ4)


Object Number: 2079848  Size: FS