Mike's Workshop Manuals
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2009
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CTS V, Automatic
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Repair and Diagnosis
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Different variant/trim
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Section 2 (Engine Controls And Fuel - 3.6L - Introduction)
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Schematic and Routing Diagrams
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Engine Controls Schematics
Engine Controls Schematics
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Module Power, Ground, Serial Data & MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt & Low Reference - 1 of 2
Courtesy of GENERAL MOTORS CORP.
Fig 3: 5-Volt & Low Reference - 2 of 2
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Pressure, Temperature, & Throttle Controls
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - HO2S
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition System Coils 1, 3, & 5 - LLT
Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition System Coils 1, 3, & 5 - LP1/LY7
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Ignition System Coils 2, 4, & 6 - LLT
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls - Ignition System Coils 2, 4, & 6 - LP1/LY7
Courtesy of GENERAL MOTORS CORP.
Fig 10: Ignition Controls - Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - Fuel Injectors, Pressure & Fuel Pump Controls - LLT
Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Controls - Fuel Injectors & Fuel Pump Controls - LP1/LY7
Courtesy of GENERAL MOTORS CORP.
Fig 13: Fuel Controls - EVAP Controls & Manifold Tuning
Courtesy of GENERAL MOTORS CORP.
Fig 14: Monitored/Controlled Subsystem References
Courtesy of GENERAL MOTORS CORP.