Engine Controls Schematics. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Engine Control Module Description Control Module References Underhood Fuse Block - PWR/TRN Relay - 1 of 2 Transmission Control References - A/T
Figure 2:	Underhood Fuse Block - PWR/TRN Relay - 1 of 2 Master Electrical Component List Engine Control Module Description Control Module References Underhood Fuse Block - PWR/TRN Relay - 2 of 2 Module Power, Ground, Serial Data, and MIL
Figure 3:	Underhood Fuse Block - PWR/TRN Relay - 2 of 2 Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5-Volt and Low Reference Underhood Fuse Block - PWR/TRN Relay - 1 of 2
Figure 4:	Engine Data Sensors - 5-Volt and Low Reference Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Engine Data Sensors - MAF, Pressure, Temperature, and VSS Underhood Fuse Block - PWR/TRN Relay - 2 of 2
Figure 5:	Engine Data Sensors - MAF, Pressure, Temperature, and VSS Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Engine Data Sensors - Oxygen Sensors Engine Data Sensors - 5-Volt and Low Reference
Figure 6:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Engine Data Sensors - Throttle Actuator Controls Engine Data Sensors - MAF, Pressure, Temperature, and VSS
Figure 7:	Engine Data Sensors - Throttle Actuator Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls - Ignition Coils 1, 3, 5, and 7 Engine Data Sensors - Oxygen Sensors
Figure 8:	Ignition Controls - Ignition Coils 1, 3, 5, and 7 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Ignition Coils 2, 4, 6, and 8 Engine Data Sensors - Throttle Actuator Controls
Figure 9:	Ignition Controls - Ignition Coils 2, 4, 6, and 8 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Sensors and DOD Controls Ignition Controls - Ignition Coils 1, 3, 5, and 7
Figure 10:	Ignition Controls - Sensors and DOD Controls Master Electrical Component List Cylinder Deactivation (Active Fuel Management) System Description Control Module References Fuel Controls - Fuel Pump and Fuel Injectors Ignition Controls - Ignition Coils 2, 4, 6, and 8
Figure 11:	Fuel Controls - Fuel Pump and Fuel Injectors Master Electrical Component List Fuel System Description Control Module References Fuel Controls - EVAP Controls Ignition Controls - Sensors and DOD Controls
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 Pump and Fuel Injectors
Figure 13:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls