Engine Controls Schematics. GMC Truck Envoy XUV 2005

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2005 🢒 Envoy XUV 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 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 and RUN/START Bus Bars, IGN B Fuse Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars, IGN A and CRANK Fuses AIR, COILS, EAP, ECM, HDM, HI HDLP-LT, HI HDLP-RT, LOW HDLP-RT, LOW HDLP-LT, PCMB, and TCB1 Fuses AIR SOL and PCMI Fuses - 4.2L BACK UP, BTSI, IGNE, TBC IGN1, and TRLR B/U Fuses FRT WPR, IGN 0, RAIN, TBC ACC, TBC IG, and TCM Fuses AIR SOL and PCMI Fuses - 4.2L Power, Ground, Serial Data, and MIL BACK UP, BTSI, IGNE, TBC IGN1, and TRLR B/U Fuses FRT WPR, IGN 0, RAIN, TBC ACC, TBC IG, and TCM Fuses G101, G103, G106, and G110 Power, Ground, Data Link Connector Power, Ground, Data Link Connector
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 and Temperature Module Power, Ground, Serial Data, and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Air Intake System Description Control Module References Engine Data Sensors - Oxygen Sensors Engine Data Sensors - 5-Volt and Low Reference OBD II Symbol Description Notice
Figure 4:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Throttle Actuator Controls and VSS Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse
Figure 5:	Engine Data Sensor - Throttle Actuator Controls and VSS Master Electrical Component List Powertrain Control Module Description Control Module References Ignition Controls - Ignition System Engine Data Sensors - Oxygen Sensors OBD II Symbol Description Notice Pressure Controls, Temperature, and VSS Gages
Figure 6:	Ignition Controls - Ignition System Master Electrical Component List Powertrain Control Module Description Control Module References Ignition Controls - Sensors Engine Data Sensors - Throttle Actuator Controls and VSS OBD II Symbol Description Notice Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse AIR SOL and PCMI Fuses - 4.2L G109 G109 G109 G109 G109 G109 Gages
Figure 7:	Ignition Controls - Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Controls - Fuel Pump Controls and Fuel Injectors Ignition Controls - Ignition System OBD II Symbol Description Notice Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 8:	Fuel Controls - Fuel Pump Controls and Fuel Injectors Master Electrical Component List Fuel System Description Control Module References Fuel Controls - EVAP Controls Ignition Controls - Sensors OBD II Symbol Description Notice Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse B+ Bus - Underhood Fuse Block AIR, COILS, EAP, ECM, HDM, HI HDLP-LT, HI HDLP-RT, LOW HDLP-RT, LOW HDLP-LT, PCMB, and TCB1 Fuses G104, G105, and G107 AIR SOL and PCMI Fuses - 4.2L AIR SOL and PCMI Fuses - 4.2L Fuel Gage G201 - 2 of 2 and G305
Figure 9:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Control Module References Device Controls Fuel Controls - Fuel Pump Controls and Fuel Injectors OBD II Symbol Description Notice Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse 4WD, ENG I, HVAC, O2, SIR, and TAC Fuses
Figure 10:	Device Controls Master Electrical Component List Secondary Air Injection System Description Control Module References Controlled/Monitored Subsystem References Fuel Controls - EVAP Controls OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse G201 - 2 of 2 and G305 G104, G105, and G107
Figure 11:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Control Module References Transmission Control References - A/T Device Controls OBD II Symbol Description Notice Compressor Controls Compressor Controls Cruise Control 4.2L Starting System Charging System Gages Power, Ground, Serial Data, and Transfer Case Encoder Motor Cooling Fan Controls EBCM Power, Ground, Serial Data, Indicator, and Signal Circuits
Figure 12:	Transmission Control References - A/T Master Electrical Component List Powertrain Control Module Description Control Module References Controlled/Monitored Subsystem References OBD II Symbol Description Notice Shift Controls and Stop Lamp Switch EBCM Power, Ground, Serial Data, Indicator, and Signal Circuits PNP Switch, 4WD Signal, Serial Data, and Indicator