Engine Controls Schematics. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 4WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground and Serial Data Master Electrical Component List Engine Control Module Description Control Module References 5-Volt and Low Reference
Figure 2:	5-Volt and Low Reference Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure and Temperature Module Power, Ground and Serial Data
Figure 3:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Heated Oxygen Sensors 5-Volt and Low Reference
Figure 4:	Engine Data Sensors - Heated Oxygen Sensors Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Throttle Controls Engine Data Sensors - Pressure and Temperature
Figure 5:	Engine Data Sensors - Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls - Ignition System Coils 1, 3, 5 and 7 Engine Data Sensors - Heated Oxygen Sensors
Figure 6:	Ignition Controls - Ignition System Coils 1, 3, 5 and 7 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Ignition System Coils 2,4, 6 and 8 Engine Data Sensors - Throttle Controls
Figure 7:	Ignition Controls - Ignition System Coils 2, 4, 6 and 8 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Sensors Ignition Controls - Ignition System Coils 1, 3, 5 and 7
Figure 8:	Ignition Controls - Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Pump Controls (except LMG/LY6/LC9) Ignition Controls - Ignition System Coils 2,4, 6 and 8
Figure 9:	Fuel Pump Controls (except LMG/LY6/LC9) Master Electrical Component List Fuel System Description Control Module References Fuel Pump Controls (LMG/LY6/LC9) Ignition Controls - Sensors
Figure 10:	Fuel Pump Controls (LMG/LY6/LC9) Master Electrical Component List Fuel System Description Control Module References Fuel Controls - Fuel Injectors Fuel Pump Controls (except LMG/LY6/LC9)
Figure 11:	Fuel Controls - Fuel Injectors Master Electrical Component List Fuel System Description Control Module References Fuel Controls - EVAP Controls Fuel Pump Controls (LMG/LY6/LC9)
Figure 12:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Control Module References Controlled/Monitored Subsystem References Fuel Controls - Fuel Injectors
Figure 13:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls