Engine Controls Schematics. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Express - AWD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data and MIL Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - 5 Volt and Low Reference OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse BTSI, BTSI/BU, O2A, O2B, PCM IGN 1, SPARE and TRLR BU Fuses BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses G103, G104, G105, G106, G300 and G301 Data Link Connector (DLC) Schematics
Figure 2:	Engine Data Sensors - 5-Volt and Low Reference Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Pressure, Temperature and Position Module Power, Ground, Serial Data and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - Pressure, Temperature and Position Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Oxygen Sensors Engine Data Sensors - 5 Volt and Low Reference OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L Pressure Controls, Temperature and VSS Pressure Controls, Temperature and VSS w/o JL4 Pressure Controls, Temperature and VSS G103, G104, G105, G106, G300 and G301
Figure 4:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Throttle Actuator Controls 1 of 2 (JL4) Engine Data Sensors - Pressure, Temperature and Position OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
Figure 5:	Engine Data Sensors - Throttle Actuator Controls - 1 of 2 (JL4) Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Throttle Actuator Controls 2 of 2 (JL4) Engine Data Sensors - Oxygen Sensors OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse BTSI, BTSI/BU, O2A, O2B, PCM IGN 1, SPARE and TRLR BU Fuses G102
Figure 6:	Engine Data Sensors - Throttle Actuator Controls - 2 of 2 (JL4) Master Electrical Component List Powertrain Control Module Description Control Module References Ignition Controls - Ignition System Coils 1, 3, 5, 7 Engine Data Sensors - Throttle Actuator Controls 1 of 2 (JL4) OBD II Symbol Description Notice JL4
Figure 7:	Ignition Controls - Ignition System Coils 1, 3, 5, 7 Master Electrical Component List Powertrain Control Module Description Control Module References Ignition Controls - Ignition System Coils 2, 4, 6, 8 Engine Data Sensors - Throttle Actuator Controls 2 of 2 (JL4) OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L G102
Figure 8:	Ignition Controls - Ignition System Coils 2, 4, 6, 8 Master Electrical Component List Powertrain Control Module Description Control Module References Ignition Controls - Sensors Ignition Controls - Ignition System Coils 1, 3, 5, 7 OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L G102
Figure 9:	Ignition Controls - Sensors Master Electrical Component List Powertrain Control Module Description Control Module References Fuel Controls - Fuel Pump Controls Ignition Controls - Ignition System Coils 2, 4, 6, 8 OBD II Symbol Description Notice
Figure 10:	Fuel Controls - Fuel Pump Controls Master Electrical Component List Powertrain Control Module Description Control Module References Fuel Controls - Fuel Injectors Ignition Controls - Sensors OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block G400 G102 Gages
Figure 11:	Fuel Controls - Fuel Injectors Master Electrical Component List Powertrain Control Module Description Control Module References Fuel Controls - EVAP and Device Controls Fuel Controls - Fuel Pump Controls OBD II Symbol Description Notice Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L
Figure 12:	Fuel Controls - EVAP and Device Controls Master Electrical Component List Powertrain Control Module Description Control Module References Controlled/Monitored Subsystem and Transmission References Fuel Controls - Fuel Injectors OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block ABS, AUX PWR, BLOW, CAN VENT, CIGAR, IPC, PCM BAT, STOP LP and TRLR Fuses Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L ENG 1 and ENG 2 Fuses - 4.8L, 5.3L and 6.0L Gages Power, Ground, Serial Data, Indicator, VSS and Stop Lamp Switch - JL4 Power, Ground, Serial Data, Indicator and Stop lamp Switch - w/o JL4 w/o JL4
Figure 13:	Controlled/Monitored Subsystem and Transmission References Master Electrical Component List Powertrain Control Module Description Control Module References Fuel Controls - EVAP and Device Controls OBD II Symbol Description Notice Compressor Controls (C60) Power, Ground, Serial Data, Indicator, VSS and Stop Lamp Switch - JL4 Wheel Speed Sensors and VSS - w/o JL4 Power, Ground, Serial Data, Indicator, VSS and Stop Lamp Switch - JL4 w/o JL4 Charging System Starting System Gages Indicators PNP Switch, Serial Data and Indicator PNP Switch, Serial Data and Indicator Shift Controls and Stop Lamp Switch Shift Controls and Stop Lamp Switch Pressure Controls, Temperature and VSS Pressure Controls, Temperature and VSS