Engine Controls Schematics

WARNING: This page is about a different car, the 2007 Saturn Ion 3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, MIL, and Serial Data

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Fig 2: Engine Data Sensor - 5-Volt and Low Reference

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Fig 3: Engine Data Sensors - Pressure, Temperature, and MAF/IAT

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Fig 4: Engine Data Sensors - HO2S

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Fig 5: Engine Data Sensors - APP and TAC

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Fig 6: Ignition Controls - Ignition System

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Fig 7: Ignition Controls - Sensors

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Fig 8: Fuel Controls

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Fig 9: EVAP Controls

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Fig 10: Controlled/Monitored Subsystem References

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