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

Module Power, Ground, Serial Data and MIL


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Figure 2:

Engine Data Sensors - 5-Volt and Low Reference


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Figure 3:

Engine Data Sensors - Pressure, Temperature and Position


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Figure 4:

Engine Data Sensors - Oxygen Sensors (1 of 2)


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Figure 5:

Engine Data Sensors - Oxygen Sensors (2 of 2)


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Figure 6:

Throttle Controls


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Figure 7:

Bank 1 Ignition Coils


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Figure 8:

Bank 2 Ignition Coils


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Figure 9:

Ignition Controls - CKP, CMP and Knock Sensors


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Figure 10:

Fuel Pump Flow Control Module 5.3L


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Figure 11:

Fuel Controls - Fuel Pump Controls


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Figure 12:

Fuel Controls - Fuel Injectors


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Figure 13:

Fuel Controls - EVAP and Device Controls


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Figure 14:

Controlled/Monitored Subsystem and Transmission References


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