Engine Controls Schematics. Cadillac STS 2007

For 1990-2009 cars only

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Figure 1:	ECM Power, Ground, Serial Data, and MIL Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5-Volt and Low References 1 of 2 Fuse Block Underhood Wiring Bussing Fuse Block Underhood Wiring Bussing Fuse Block Underhood Wiring Bussing Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block Underhood Wiring Bussing Engine Data Sensors - Pressure, Temperature, MAF, VSS Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block - Underhood: Starter, RUN/CRANK Relays; Starter, Starter Relay, CCP, TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses G100 (LH2/LC3) GM LAN - High Speed, Domestic w/ UE1 G104 (1 of 2)
Figure 2:	Engine Data Sensors - 5-Volt and Low Reference Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - CMP Sensors and Solenoids ECM Power, Ground, Serial Data, and MIL
Figure 3:	Ignition Controls - CMP Sensors and Solenoids Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure, Temperature, MAF, VSS Engine Data Sensors - 5-Volt and Low References 1 of 2
Figure 4:	Engine Data Sensors - Pressure, Temperature, MAF, VSS Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Oxygen Sensors Ignition Controls - CMP Sensors and Solenoids ECM Power, Ground, Serial Data, and MIL Automatic Headlamp Dimming Signals 07 STS Ground Distribution - G100 (LH2/LC3)
Figure 5:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Electronic Throttle Controls Engine Data Sensors - Pressure, Temperature, MAF, VSS Fuse Block - Underhood: Main, Low Speed, Hi Speed, and S/P Fan Relays, V8 ECM, PRE O2/CAM, HFV6 ECM, Low Speed Fan, Hi Speed Fan Fuses
Figure 6:	Engine Data Sensors - Electronic Throttle Controls Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Ignition System Bank 1 Engine Data Sensors - Oxygen Sensors
Figure 7:	Ignition Controls - Ignition System Bank 1 Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Ignition System Bank 2 Engine Data Sensors - Electronic Throttle Controls Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses G107 (LH2/LC3), G113 (LY7)
Figure 8:	Ignition Controls - Ignition System Bank 2 Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - CMP Sensors and Solenoids Ignition Controls - Ignition System Bank 1 Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses G107 (LH2/LC3), G113 (LY7)
Figure 9:	Ignition Controls - CMP Sensors and Solenoids Master Electrical Component List Engine Control Module Description Control Module References Crankshaft Position (CKP) Sensor and Knock Sensors Ignition Controls - Ignition System Bank 2
Figure 10:	Crankshaft Position (CKP) Sensor and Knock Sensors Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Injector and Pump Ignition Controls - CMP Sensors and Solenoids Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 11:	Fuel Controls - Injectors and Pump Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor Crankshaft Position (CKP) Sensor and Knock Sensors Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses G401 (1 of 2) G401 (1 of 2) Engine Oil and Fuel Tank Level
Figure 12:	Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Controlled/Monitored Subsystem References Fuel Controls - Injector and Pump Fuse Block - Underhood: Main, Low Speed, Hi Speed, and S/P Fan Relays, V8 ECM, PRE O2/CAM, HFV6 ECM, Low Speed Fan, Hi Speed Fan Fuses Fuse Block - Left Rear Bussing Engine Data Sensors - 5-Volt and Low References 1 of 2
Figure 13:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor TCM Power, Grounds, and DLC (LY7/LH2) Starting System - LH2 Charging System Cooling Fans Automatic Transmission Shift Lock Control Schematics Indicators A/C Refrigerant Pressure Sensor and Compressor Clutch Backup Lamps, CHMSL - Domestic and Export Engine Oil and Fuel Tank Level