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

Power, Ground, Serial Data and MIL (LAT/LE5)
Object Number: 2079711 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference (LAT/LE5)
Object Number: 2079714 Size: FS
Figure 3:

Engine Data Sensors - Pressure, Temperature and MAF/IAT (LAT/LE5)
Object Number: 2079716 Size: FS
Figure 4:

Engine Data Sensors - Heated Oxygen Sensors (HO2S) (LAT/LE5)
Object Number: 2079718 Size: FS
Figure 5:

Engine Data Sensors - APP and TAC (LAT/LE5)
Object Number: 2079720 Size: FS
Figure 6:

Ignition Controls - Ignition System (LAT/LE5)
Object Number: 1877897 Size: FS
Figure 7:

Ignition Controls - Camshaft (CMP), Crankshaft (CKP) and Knock (KS) Sensors (LAT/LE5)
Object Number: 2079726 Size: FS
Figure 8:

Fuel Controls - Fuel Injectors (LAT/LE5)
Object Number: 2079730 Size: FS
Figure 9:

Fuel Controls - Fuel Pump Control Module (LAT/LE5)
Object Number: 2079732 Size: FS
Figure 10:

Fuel Controls - Evaporative Emissions (EVAP) Controls (LAT/LE5)
Object Number: 2079736 Size: FS
Figure 11:

Secondary Air Injection (AIR) Pump
Object Number: 2102922 Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Fuel Controls - Evaporative Emissions (EVAP) Controls (LAT/LE5)
Figure 12:

Controlled/Monitored Subsystem References (LAT/LE5)
Object Number: 2079738 Size: FS