Engine Controls Schematics. GMC Truck Yukon Denali 2000

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon Denali 🢒 Body and Accessories 🢒 Body Control System 🢒 Engine Controls Schematics

Engine Controls Schematics Base Engine

Figure 1:	VCM Power, Ground, MIL, and DLC Engine Controls Components Vehicle Control Module Description Ignition Controls OBD II Symbol Description Notice LIGHTING and BATTERY Fuses GAUGES Fuse Handling ESD Sensitive Parts Notice STOP/HAZ, RADIO BATT, and AUX PWR Fuses Cell 50 (2000 C/K) Handling ESD Sensitive Parts Notice IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses Cell 10: ECM 1 Fuse (5.0L/5.7L) ECM-B, HORN and A/C COMP Fuses G103 and G104 G103 and G104 G200 (1 of 4) Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN A Fuse and Ignition Switch Gauges
Figure 2:	Ignition Controls Engine Controls Components Enhanced Ignition System Description Fuel Pump Control-Single Tank VCM Power, Ground, MIL, and DLC OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse ECM 1 Fuse (5.7L) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 Handling ESD Sensitive Parts Notice
Figure 3:	Fuel Pump Control--Single Tank Engine Controls Components Fuel Supply Component Description Fuel Pump Control - Dual Tanks Ignition Controls OBD II Symbol Description Notice Engine Data Sensors-MAP, IAT, ECT, and TP ECM-B, HORN and A/C COMP Fuses A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) EVAP and EGR Controls, Fuel Tank Pressure Sensor G103 and G104 Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Gauges Battery, and Underhood Fuse Block
Figure 4:	Fuel Pump Control -- Dual Tanks Engine Controls Components Fuel Supply Component Description EXPORT-Fuel Pump Control, Single Tank Fuel Pump Control-Single Tank OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses IGN A Fuse and Ignition Switch IGN E Fuse Engine Data Sensors EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Gauges
Figure 5:	EXPORT--Fuel Pump Control, Single Tank Engine Controls Components Fuel Supply Component Description EXPORT-Fuel Pump Control, Dual Tanks Fuel Pump Control - Dual Tanks OBD II Symbol Description Notice G103 and G104 Handling ESD Sensitive Parts Notice Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses Handling ESD Sensitive Parts Notice
Figure 6:	EXPORT--Fuel Pump Control, Dual Tanks Engine Controls Components Fuel Supply Component Description Fuel Injector Controls EXPORT-Fuel Pump Control, Single Tank OBD II Symbol Description Notice G103 and G104 Handling ESD Sensitive Parts Notice Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses IGN A Fuse and Ignition Switch IGN E Fuse Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 7:	Fuel Injector Controls Engine Controls Components Central Sequential Duel Injection Fuel System Description Engine Data Sensors-MAP, IAT, ECT, and TP EXPORT-Fuel Pump Control, Dual Tanks OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ECM 1 Fuse (5.7L) ECM 1 Fuse (5.7L) Handling ESD Sensitive Parts Notice
Figure 8:	Engine Data Sensors--MAP, IAT, ECT, and TP Engine Controls Components Information Sensors/Switches Description Heated Oxygen Sensors Fuel Injector Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Handling ESD Sensitive Parts Notice EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Fuel Pump Control-Single Tank
Figure 9:	Heated Oxygen Sensors Engine Controls Components Information Sensors/Switches Description A.I.R., IAC, and MAF Engine Data Sensors-MAP, IAT, ECT, and TP OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse G105 (2 of 2) G105 (1 of 2) Handling ESD Sensitive Parts Notice
Figure 10:	A.I.R., IAC, and MAF Engine Controls Components Fuel Metering System Component Description VSS and Cruise Controls Heated Oxygen Sensors OBD II Symbol Description Notice Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch G101, G102, G108, G110, G111 and G115 Handling ESD Sensitive Parts Notice Cell 10: ENG-1 Fuse G103 and G104
Figure 11:	VSS and Cruise Controls Engine Controls Components Information Sensors/Switches Description EVAP and EGR Controls, Fuel Tank Pressure Sensor A.I.R., IAC, and MAF OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 12:	EVAP and EGR Controls, Fuel Tank Pressure Sensor Engine Controls Components Evaporative Emission Control System Operation Description Enhanced Transfer Case Interface and Upshift Indicator VSS and Cruise Controls OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Engine Data Sensors-MAP, IAT, ECT, and TP Engine Data Sensors-MAP, IAT, ECT, and TP Engine Data Sensors-MAP, IAT, ECT, and TP Fuel Pump Control-Single Tank A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 13:	Transfer Case Interface and Upshift Indicator Engine Controls Components 4L60-E Shift Solenoids, TCC/Stoplamps Switch EVAP and EGR Controls, Fuel Tank Pressure Sensor OBD II Symbol Description Notice GAUGES Fuse IGN A Fuse and Ignition Switch Gauges Indicator Control and Wheel Speed Sensors Front Axle Actuator Circuits Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 14:	4L60-E Shift Solenoids, TCC/Stoplamps Switch Engine Controls Components Electronic Component Description 4L80-E Shift Solenoids, TCC/Stoplamps Switch and TISS Transfer Case Interface and Upshift Indicator OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses AIR BAG, TURN B/U, CRANK, and TRANS Fuses IGN A Fuse and Ignition Switch Cruise Control and Stoplamp Switches (Gas Engine) VSS, TCC Signal and Brake Indicator (Gas)
Figure 15:	4L80-E Shift Solenoids, TCC/Stoplamps Switch and TISS Engine Controls Components Electronic Component Description A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) 4L60-E Shift Solenoids, TCC/Stoplamps Switch OBD II Symbol Description Notice Cruise Control and Stoplamp Switches (Gas Engine) VSS, TCC Signal and Brake Indicator (Gas) Handling ESD Sensitive Parts Notice IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses AIR BAG, TURN B/U, CRANK, and TRANS Fuses IGN A Fuse and Ignition Switch
Figure 16:	A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) Engine Controls Components Electronic Component Description A/C Compressor Controls 4L80-E Shift Solenoids, TCC/Stoplamps Switch and TISS OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Fuel Pump Control-Single Tank Engine Data Sensors-MAP, IAT, ECT, and TP EVAP and EGR Controls, Fuel Tank Pressure Sensor
Figure 17:	A/C Compressor Controls Engine Controls Components HVAC Compressor Controls Circuit Description Auxiliary Engine Cooling Fan Control (Export), A/C Recirc Door Control A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 G105 (1 of 2) Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN E Fuse BRAKE and HTR-A/C Fuses IGN B Fuse and Ignition Switch Cell 14: G200 (4 of 4)
Figure 18:	Auxiliary Engine Cooling Fan Control (Export), A/C Recirc Door Control Engine Controls Components Engine Cooling Fan Description - Electric A/C Compressor Controls OBD II Symbol Description Notice Battery, and Underhood Fuse Block Battery, and Underhood Fuse Block G103 and G104 Handling ESD Sensitive Parts Notice G112

Engine Controls Schematics CNG Interface

Figure 1:	VCM Power, Ground, MIL, and DLC Engine Controls Components Vehicle Control Module Description Ignition Controls OBD II Symbol Description Notice C017 C018 and C019 LIGHTING and BATTERY Fuses GAUGES Fuse Handling ESD Sensitive Parts Notice STOP/HAZ, RADIO BATT, and AUX PWR Fuses Cell 50 (2000 C/K) Handling ESD Sensitive Parts Notice IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses Cell 10: ECM 1 Fuse (5.0L/5.7L) ECM-B, HORN and A/C COMP Fuses G103 and G104 G103 and G104 G200 (1 of 4) Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN A Fuse and Ignition Switch Gauges
Figure 2:	Ignition Controls Engine Controls Components Enhanced Ignition System Description Fuel Pump Control VCM Power, Ground, MIL, and DLC OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse ECM 1 Fuse (5.7L) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 Handling ESD Sensitive Parts Notice C017 C018 and C019
Figure 3:	Fuel Pump Control Engine Controls Components Fuel Supply Component Description Engine Data Sensors-MAP, IAT, ECT, and TP Ignition Controls OBD II Symbol Description Notice C018 and C019 Engine Data Sensors-MAP, IAT, ECT, and TP A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) EVAP and EGR Controls, Fuel Tank Pressure Sensor ECM-B, HORN and A/C COMP Fuses G103 and G104 C018 and C019 Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Gauges Battery, and Underhood Fuse Block
Figure 4:	Engine Data Sensors--MAP, IAT, ECT, and TP Engine Controls Components Information Sensors/Switches Description Heated Oxygen Sensors Fuel Pump Control OBD II Symbol Description Notice C018 and C019 C018 and C019 C018 and C019 Handling ESD Sensitive Parts Notice A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Handling ESD Sensitive Parts Notice EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Fuel Pump Control
Figure 5:	Heated Oxygen Sensors Engine Controls Components Information Sensors/Switches Description A.I.R., IAC, and MAF Engine Data Sensors-MAP, IAT, ECT, and TP OBD II Symbol Description Notice C017 C017 IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse G105 (2 of 2) G105 (1 of 2) Handling ESD Sensitive Parts Notice
Figure 6:	A.I.R., IAC, and MAF Engine Controls Components Fuel Metering System Component Description VSS and Cruise Controls Heated Oxygen Sensors OBD II Symbol Description Notice C017 Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch G101, G102, G108, G110, G111 and G115 Handling ESD Sensitive Parts Notice Cell 10: ENG-1 Fuse G103 and G104
Figure 7:	VSS and Cruise Controls Engine Controls Components Information Sensors/Switches Description EVAP and EGR Controls, Fuel Tank Pressure Sensor A.I.R., IAC, and MAF OBD II Symbol Description Notice C017 Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 8:	EVAP and EGR Controls, Fuel Tank Pressure Sensor Engine Controls Components Evaporative Emission Control System Operation Description Enhanced A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) VSS and Cruise Controls OBD II Symbol Description Notice C018 and C019 IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Engine Data Sensors-MAP, IAT, ECT, and TP Engine Data Sensors-MAP, IAT, ECT, and TP Fuel Pump Control A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 9:	A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) Engine Controls Components Electronic Component Description A/C Compressor Controls EVAP and EGR Controls, Fuel Tank Pressure Sensor OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice C018 and C019 Fuel Pump Control Engine Data Sensors-MAP, IAT, ECT, and TP EVAP and EGR Controls, Fuel Tank Pressure Sensor
Figure 10:	A/C Compressor Controls Engine Controls Components HVAC Compressor Controls Circuit Description C018 and C019 A/T Internal Switches, TFT, PC Solenoid (Both Transmissions) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice C017 G103 and G104 G105 (1 of 2) Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN E Fuse BRAKE and HTR-A/C Fuses IGN B Fuse and Ignition Switch Cell 14: G200 (4 of 4)
Figure 11:	C018 and C019 Engine Controls Components C017 VCM Power, Ground, MIL, and DLC Ignition Controls A/C Compressor Controls Engine Data Sensors-MAP, IAT, ECT, and TP EVAP and EGR Controls, Fuel Tank Pressure Sensor Fuel Pump Control
Figure 12:	C017 Engine Controls Components C018 and C019 A.I.R., IAC, and MAF VSS and Cruise Controls A/C Compressor Controls Ignition Controls Heated Oxygen Sensors VCM Power, Ground, MIL, and DLC