Engine Controls Schematics. Cadillac STS 2009

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics

Figure 1:	ECM Power, Ground, DLC, and MIL Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5-Volt Reference Bus
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, DLC, Ground, and MIL
Figure 3:	Engine Data Sensors - Low Reference Bus Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - ECT, HO2S and MAF/IAT Sensors Engine Data Sensors - 5-Volt Reference Bus
Figure 4:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Air Intake System Description Control Module References Engine Data Sensors - Oxygen Sensors Engine Data Sensors - Low Reference Bus
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 - ECT, HO2S and MAF/IAT Sensors
Figure 6:	Engine Data Sensors - Electronic Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls - Bank 1 Ignition Coils Engine Data Sensors - Oxygen Sensors
Figure 7:	Ignition Controls - Bank 1 Ignition Coils Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Bank 2 Ignition Coils Engine Data Sensors - Electronic Throttle Controls
Figure 8:	Ignition Controls - Bank 2 Ignition Coils Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - CMP Sensors and Solenoids Ignition Controls - Bank 1 Ignition Coils
Figure 9:	Ignition Controls - CMP Sensors and Solenoids Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - CKP Sensor and Knock Sensors Ignition Controls - Bank 2 Ignition Coils
Figure 10:	Ignition Controls - CKP Sensor and Knock Sensors Master Electrical Component List Knock Sensor (KS) System Description Control Module References Fuel Controls - Fuel Injectors, Fuel Rail Pressure Sensor and High Pressure Fuel Pump Actuator Ignition Controls - CMP Sensors and Solenoids
Figure 11:	Fuel Controls - Fuel Injectors, Fuel Rail Pressure Sensor and High Pressure Fuel Pump Actuator Master Electrical Component List Fuel System Description (With LLT) Control Module References Fuel Controls - Low Pressure Fuel Pump Ignition Controls - CKP Sensor and Knock Sensors
Figure 12:	Low Pressure Fuel Pump Master Electrical Component List Fuel System Description (With LLT) Control Module References Fuel Controls - EVAP Controls Fuel Controls - Fuel Injectors, Fuel Rail Pressure Sensor and High Pressure Fuel Pump Actuator
Figure 13:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Control Module References Controlled/Monitored Subsystem References Fuel Controls - Low Pressure Fuel Pump
Figure 14:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls