Engine Controls Schematics. Cadillac STS 2007

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Schematics

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 Reference Bus Fuse Block Underhood Wiring Bussing 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 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 G104 (1 of 2) 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 G103 (LY7), G109 (LY7), G112 (LY7) GM LAN - High Speed, Domestic w/ UE1, w/ F55 , w/o F55 G104 (1 of 2)
Figure 2:	Engine Data Sensors - 5-Volt Reference Bus Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Low Reference Bus ECM Power, Ground, DLC, and MIL
Figure 3:	Engine Data Sensors - Low Reference Bus Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure, Temperature, MAF, VSS Engine Data Sensors - 5-Volt Reference Bus Ignition Controls - CKP, Knock Sensors, and IMRC Solenoid
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 Engine Data Sensors - Low Reference Bus 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 G104 (1 of 2) Fuse Block Underhood Wiring Bussing Fuse Block - Underhood: Starter, RUN/CRANK Relays; Starter, Starter Relay, CCP, TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses Engine Data Sensors - 5-Volt Reference Bus Engine Data Sensors - 5-Volt Reference Bus Automatic Headlamp Dimming Signals Engine Data Sensors - Low Reference Bus G104 (1 of 2)
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 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 Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 6:	Engine Data Sensors - Electronic Throttle Controls Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Bank 1 Ignition Coils Engine Data Sensors - Oxygen Sensors Engine Controls Schematic Icons
Figure 7:	Ignition Controls - Bank 1 Ignition Coils Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - Bank 2 Ignition Coils Engine Data Sensors - Electronic Throttle Controls 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 G103 (LY7), G109 (LY7), G112 (LY7)
Figure 8:	Ignition Controls - Bank 2 Ignition Coils Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - CMP Sensors and Solenoids Ignition Controls - Bank 1 Ignition Coils 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 G103 (LY7), G109 (LY7), G112 (LY7)
Figure 9:	Ignition Controls - CMP Sensors and Solenoids Master Electrical Component List Engine Control Module Description Control Module References Ignition Controls - CKP, Knock Sensors, and IMRC Solenoid Ignition Controls - Bank 2 Ignition Coils Fuse Block Underhood Wiring Bussing Ignition Controls - CKP, Knock Sensors, and IMRC Solenoid 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 Engine Data Sensors - Low Reference Bus
Figure 10:	Ignition Controls - CKP, Knock Sensors and IMRC Solenoid Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Fuel Pump and Injectors Ignition Controls - CMP Sensors and Solenoids Engine Data Sensors - Low Reference Bus G107 (LH2/LC3), G113 (LY7) Ignition Controls - CMP Sensors and Solenoids Cruise Control Schematic Icons Cruise Control Schematic Icons
Figure 11:	Fuel Controls - Fuel Pump and Injectors Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls Ignition Controls - CKP, Knock Sensors, and IMRC Solenoid Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses Fuse Block Underhood Wiring Bussing G401 (1 of 2) Fuse Block - Underhood: Odd Inj/Coils, Even Inj/Coils and Post O2 Fuses G401 (1 of 2) Engine Oil and Fuel Tank Level
Figure 12:	Fuel Controls - EVAP Controls Master Electrical Component List Engine Control Module Description Control Module References Controlled/Monitored Subsystem References Fuel Controls - Fuel Pump and Injectors 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 - Right Rear Bussing 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 Engine Data Sensors - Low Reference Bus Engine Data Sensors - 5-Volt Reference Bus Engine Data Sensors - Low Reference Bus
Figure 13:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls Starting System - LH2 Starting System - LH2 Cooling Fans Automatic Transmission Shift Lock Control Schematics Indicators A/C Refrigerant Pressure Sensor and Compressor Clutch Backup Lamps, CHMSL - Domestic and Export TCM Power, Grounds, and DLC (LY7/LH2)