Engine Controls Schematics. Saturn AURA 2007

For 1990-2009 cars only

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Figure 1:	Power, Gound, Serial Data and MIL Master Electrical Component List Engine Control Module Description Control Module References 5-Volt and Low References Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1, INJ/COIL ODD/IGN/MOD, INJECTORS INJ COIL/EVEN and POST 02 Fuses and ETC Fuses Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1, INJ/COIL ODD/IGN/MOD, INJECTORS INJ COIL/EVEN and POST 02 Fuses and ETC Fuses Underhood Fuse Block IBCM1, Body Control Module (BCM) AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses Underhood Fuse Block IBCM1, Body Control Module (BCM) AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses Underhood Fuse Block IBCM1, Body Control Module (BCM) AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses G103, G104 and G105 Power, Ground and High Speed Serial Data G109
Figure 2:	5-Volt and Low References Master Electrical Component List Engine Control Module Description Control Module References ECT, MAF/IAT and MAP Sensors Power, Ground, Serial Data and MIL
Figure 3:	ECT, MAF/IAT and MAP Sensors Master Electrical Component List Engine Control Module Description Control Module References Heated Oxygen Sensors 5-Volt and Low References Underhood Fuse Block RUN/CRANK Relay, ABS, BAS PMP MAF, ECM IGN 1, IGN 1 ECM IGN 1 BAS IGN and TRANS Fuses Stop Lamps G103, G104 and G105
Figure 4:	Heated Oxygen Sensors Master Electrical Component List Engine Control Module Description Control Module References Electronic Throttle Controls ECT, MAF/IAT and MAP Sensors Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1, INJ/COIL ODD/IGN/MOD, INJECTORS INJ COIL/EVEN and POST 02 Fuses and ETC Fuses
Figure 5:	Electronic Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition System Heated Oxygen Sensors Engine Controls Schematic Icons
Figure 6:	Ignition System Master Electrical Component List Engine Control Module Description Control Module References Bank 1 Ignition Coils Electronic Throttle Controls Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 7:	Bank 1 Ignition Coils Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Bank 2 Ignition Coils Ignition System
Figure 8:	Bank 2 Ignition Coils Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Camshaft Position (CMP) Sensors and Solenoids Bank 1 Ignition Coils
Figure 9:	Camshaft Position (CMP) Sensors and Solenoids Master Electrical Component List Camshaft Actuator System Description Control Module References Fuel Pump Controls Bank 2 Ignition Coils
Figure 10:	Fuel Pump Controls Master Electrical Component List Fuel System Description Control Module References EVAP Controls, FTP Sensor, and IMT Valve Camshaft Position (CMP) Sensors and Solenoids Underhood Fuse Block RUN RLY, RBEC2, Body Control Module (BCM), HVAC BLOWER, HVAC CTRL (IGN) Rear Fuse Block, DRV ST, EMISSION 2, FUEL PUMP, PARK LAMPS and TRUNK Fuses G302 Indicators G302 G301
Figure 11:	EVAP Controls, FTP Sensor, and IMT Valve Master Electrical Component List Evaporative Emission Control System Description Control Module References Controlled/Monitored Subsystem References Fuel Pump Controls Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1, INJ/COIL ODD/IGN/MOD, INJECTORS INJ COIL/EVEN and POST 02 Fuses and ETC Fuses Underhood Fuse Block RUN RLY, RBEC2, Body Control Module (BCM), HVAC BLOWER, HVAC CTRL (IGN) Rear Fuse Block, DRV ST, EMISSION 2, FUEL PUMP, PARK LAMPS and TRUNK Fuses Underhood Fuse Block A/C Clutch and PWR/TRN Relays, A/C CLU, EMISSION 1, INJ/COIL ODD/IGN/MOD, INJECTORS INJ COIL/EVEN and POST 02 Fuses and ETC Fuses G103, G104 and G105
Figure 12:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References EVAP Controls, FTP Sensor, and IMT Valve Charging System (LY7/LZ4) Starting System (LY7/LZ4) Compressor Controls Compressor Controls Cooling Fans (w/o LAT) Indicators