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 - 1 of 2 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 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 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 - 1 of 2 Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - 5-Volt and Low Reference - 1 of 2 Module Power, Ground, Serial Data and MIL Engine Data Sensors - 5-Volt and Low Reference - 1 of 2
Figure 3:	Engine Data Sensors - 5-Volt and Low References - 2 of 2 Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Temperature, AI and MAF Engine Data Sensors - 5-Volt and Low Reference - 1 of 2 Engine Data Sensors - 5-Volt and Low Reference - 1 of 2
Figure 4:	Engine Data Sensors - Temperature, AI, and MAF Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure and High Idle Switch Engine Data Sensors - 5-Volt and Low Reference - 1 of 2 Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1, ENG 2 and SPARE Fuses - 4.3L and 6.6L
Figure 5:	Engine Data Sensors - Pressure 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 - Temperature, AI and MAF 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 6:	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 and High Idle Switch
Figure 7:	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 and the IAH Module Engine Data Sensors - EGR and Turbocharger Controls G103, G104, G105, G106, G107, G108, G300, G301 and G305
Figure 8:	Engine Data Sensors - Glow Plug Controls and the IAH Module 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 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 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 9:	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 and the IAH Module 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 10:	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 11:	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 Compressor Controls - C60 Wheel Speed Sensors and VSS - w/o JL4 Engine Cooling Schematics (6.6L)