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

Power, Ground, Serial Data and MIL


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Figure 2:

Engine Data Sensors - MAF, Pressure and Temperature


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Figure 3:

Engine Data Sensors - Throttle Controls


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Figure 4:

Engine Data Sensors - Oxygen Sensors


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Figure 5:

Fuel Controls - Fuel Injectors


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Figure 6:

Fuel Controls - Fuel Rail Pressure Sensor and Solenoid


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Figure 7:

Fuel Controls - Fuel System Controller


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Figure 8:

Ignition Controls - Ignition Sensors


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Figure 9:

Engine Data Sensors - Actuators


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Figure 10:

Engine Data Sensors - Actuators


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