Engine Controls Schematics. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2002 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Controls - 4.2L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, Serial Data, and MIL Master Electrical Component List Service Programming System (SPS) Description Engine Data Sensors - 5 Volt and Low Reference OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block ACCY/RUN and RUN/START Bus Bars ACCY/RUN/START, RUN, and START Bus Bars COILS, RIDE, ECAS, IPC/DIC, FLASH, TBC 1, and PCM B Fuses PCM I Fuse IGN E, TBC IGN1, BACK UP, BTSI, and TRLR B/U Fuses IGN 0, TBC IG, TBC ACC, FRT WPR, and RAIN Fuses PCM I Fuse IGN E, TBC IGN1, BACK UP, BTSI, and TRLR B/U Fuses Indicators IGN 0, TBC IG, TBC ACC, FRT WPR, and RAIN Fuses G107 and G108 DLC and SP205
Figure 2:	Engine Data Sensors - 5 Volt and Low Reference Master Electrical Component List Service Programming System (SPS) Description Engine Data Sensors - Pressure and Temperature 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 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 Service Programming System (SPS) Description Engine Data Sensors - Electronic Throttle Controls and VSS Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice ACCY/RUN and RUN/START Bus Bars
Figure 5:	Engine Data Sensors - Electronic Throttle Controls and VSS Master Electrical Component List Throttle Actuator Control (TAC) System Description Ignition Controls - Ignition Systems Engine Data Sensors - Oxygen Sensors OBD II Symbol Description Notice Vehicle Speed Sensor Indicators
Figure 6:	Ignition Controls - Ignition Systems Master Electrical Component List Electronic Ignition (EI) System Description Ignition Controls - Sensors Engine Data Sensors - Electronic Throttle Controls and VSS OBD II Symbol Description Notice ACCY/RUN and RUN/START Bus Bars PCM I Fuse G102, G104, G105, and G109 G102, G104, G105, and G109 G102, G104, G105, and G109 G102, G104, G105, and G109 G102, G104, G105, and G109 G102, G104, G105, and G109 Indicators
Figure 7:	Ignition Controls - Sensors Master Electrical Component List Electronic Ignition (EI) System Description Fuel Controls - Fuel Pump Controls and Fuel Injectors Ignition Controls - Ignition Systems OBD II Symbol Description Notice
Figure 8:	Fuel Controls - Fuel Pump Controls and Fuel Injectors Master Electrical Component List Fuel System Description Fuel Controls - Evap Controls Ignition Controls - Sensors OBD II Symbol Description Notice ACCY/RUN and RUN/START Bus Bars B+ Bus - Underhood Fuse Block G107 and G108 COILS, RIDE, ECAS, IPC/DIC, FLASH, TBC 1, and PCM B Fuses PCM I Fuse PCM I Fuse G201 - 2 of 2, G305 and G306
Figure 9:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Controls - Fuel Pump Controls and Fuel Injectors OBD II Symbol Description Notice ACCY/RUN and RUN/START Bus Bars
Figure 10:	Controlled/Monitored Subsystem References Master Electrical Component List Service Programming System (SPS) Description Transmission Control References - A/T Fuel Controls - Evap Controls OBD II Symbol Description Notice A/C Compressor Controls and Pressure Sensors A/C Compressor Control and Pressure Sensors Cruise Control Switch Starting System Charging System Power, Ground, Serial Data, and Gages Power, Ground, Serial Data, and Gages Power, Ground, Serial Data, and Encoder Motor Engine Cooling Schematics Module Power, Ground, Serial Data, Indicator, Torque and Vehicle Speed Signals
Figure 11:	Transmission Control References - A/T Master Electrical Component List Service Programming System (SPS) Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice Internal Controls Internal Controls Internal Controls Internal Controls Automatic Transmission Inputs and Indicator