Engine Controls Schematics. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LBZ and LLY) 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5-Volt and Low Reference B+ Bus - Underhood Fuse Block - Diesel ABS/VSES, FOH/ECM/TCM BATT, PCM BATT, and TRLR Fues ABS/VSES, FOH/ECM/TCM BATT, PCM BATT, and TRLR Fues Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses BRK, CRNK, FRT WPR, HVAC, ING 0, TBC ACCY and TBC/TCM ACCY Fuses BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses G103, G104, G105, G106, G107, G108, G300, G301 and G305 High Speed GMLAN and Splice Pack SP250 - Diesel Power, Ground, DLC and Splice Pack SP200
Figure 2:	Engine Data Sensors - 5-Volt and Low References Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors Pressure, Temperature, MAF and High Idle Switch Module Power, Ground, Serial Data and MIL
Figure 3:	Engine Data Sensors - Pressure, Temperature, MAF, and High Idle Switch Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - EGR and Turbocharger Controls Engine Data Sensors - 5-Volt and Low Reference Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1, ENG 2 and SPARE Fuses - 4.3L and 6.6L Ignition Switch - ACCY/RUN/START, RUN, START Bus Bars and IGN A Fuse BRK, CRNK, FRT WPR, HVAC, ING 0, TBC ACCY and TBC/TCM ACCY Fuses G304
Figure 4:	Engine Data Sensors - EGR and Turbocharger Controls Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pedal Position and Injector Timing Engine Data Sensors Pressure, Temperature, MAF and High Idle Switch
Figure 5:	Engine Data Sensors - Pedal Position and Injector Timing Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Glow Plug Controls Engine Data Sensors - EGR and Turbocharger Controls G103, G104, G105, G106, G107, G108, G300, G301 and G305
Figure 6:	Engine Data Sensors - Glow Plug Controls Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Fuel Pump, Temperature and Pressure Controls Engine Data Sensors - Pedal Position and Injector Timing Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses BRK, CRNK, FRT WPR, HVAC, ING 0, TBC ACCY and TBC/TCM ACCY Fuses BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses B+ Bus - Underhood Fuse Block - Diesel B+ Bus - Underhood Fuse Block - Diesel Indicators High Speed GMLAN and Splice Pack SP250 - Diesel G103, G104, G105, G106, G107, G108, G300, G301 and G305
Figure 7:	Fuel Controls - Fuel Pump, Temperature, and Pressure Controls Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Fuel Injectors Engine Data Sensors - Glow Plug Controls B+ Bus - Underhood Fuse Block - Diesel Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse Gages G103, G104, G105, G106, G107, G108, G300, G301 and G305 G102 G400
Figure 8:	Fuel Controls - Fuel Injectors Master Electrical Component List Engine Control Module Description Control Module References Controlled/Monitored Subsystem References Fuel Controls - Fuel Pump, Temperature and Pressure Controls Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 9:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - Fuel Injectors Power, Ground, Serial Data, Indicator and Stop Lamp Switch - w/o JL4 Starting System - Diesel Gages Indicators Charging System - Diesel Stop Lamp Switch 6.6L Shift Controls and PNP Switch Pressure Controls, Tow/Haul Switch, Temperature and Speed Sensors Engine Cooling Schematics (6.6L) Compressor Controls - C60 Wheel Speed Sensors and VSS - w/o JL4