Engine Controls Schematics. GMC Truck Savana

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2004 🢒 Savana - AWD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data and MIL Master Electrical Component List Powertrain Control Module Description 5 Volt and Low Reference OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block IGN B Fuse, ACCY/RUN and RUN/START Bus Bars O2A, O2B, SPARE, BTSI/BU, PCM IGN 1, BTSI and TRLR BU Fuses Crank, IGN 0, TBC ACC, FR WPR, BRKS and HVAC Fuses Crank, IGN 0, TBC ACC, FR WPR, BRKS and HVAC Fuses G103, G104, G105, G106, G300 and G301 Data Link Connector (DLC)
Figure 2:	5-Volt Reference Master Electrical Component List Powertrain Control Module Description 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 Engine Data Sensors - Oxygen Sensors 5 Volt and Low Reference OBD II Symbol Description Notice IGN B Fuse, ACCY/RUN and RUN/START Bus Bars 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 Tow/Haul and Park/Neutral Position Switch Inputs and Vehicle Speed Sensor Stop Lamp, Tow/Haul, Park/Neutral Position Switch Inputs and Speed Sensors w/o JL4 Stop Lamp, Tow/Haul, Park/Neutral Position Switch Inputs and Speed Sensors G103, G104, G105, G106, G300 and G301
Figure 4:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Electronic Throttle Controls 1 of 2 (JL4) Engine Data Sensors - Pressure,Temperature and Position OBD II Symbol Description Notice IGN B Fuse, ACCY/RUN and RUN/START Bus Bars
Figure 5:	Engine Data Sensors - Throttle Actuator Controls - 1 of 2 (JL4) Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Electronic Throttle Controls 2 of 2 (JL4) Engine Data Sensors - Oxygen Sensors Engine Controls Schematic Icons IGN B Fuse, ACCY/RUN and RUN/START Bus Bars O2A, O2B, SPARE, BTSI/BU, PCM IGN 1, BTSI 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 Ignition Controls - Sensors Engine Data Sensors - Electronic Throttle Controls 1 of 2 (JL4) Engine Controls Schematic Icons JL4
Figure 7:	Ignition Controls - Sensors Master Electrical Component List Powertrain Control Module Description Ignition Controls - Ignition System Coils 1,3,5,7 Engine Data Sensors - Electronic Throttle Controls 2 of 2 (JL4) OBD II Symbol Description Notice
Figure 8:	Ignition Controls - Ignition System Coils 1, 3, 5, 7 Master Electrical Component List Powertrain Control Module Description Ignition Controls - Ignition System Coils 2,4,6,8 Ignition Controls - Sensors OBD II Symbol Description Notice IGN B Fuse, ACCY/RUN and RUN/START Bus Bars 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 9:	Ignition Controls - Ignition System Coils 2, 4, 6, 8 Master Electrical Component List Powertrain Control Module Description Fuel Controls - Fuel Pump Controls Ignition Controls - Ignition System Coils 1,3,5,7 OBD II Symbol Description Notice 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 10:	Fuel Controls - Fuel Pump Controls Master Electrical Component List Powertrain Control Module Description Fuel Controls - Fuel Injectors Ignition Controls - Ignition System Coils 2,4,6,8 OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block Gages G400 G102
Figure 11:	Fuel Controls - Fuel Injectors Master Electrical Component List Powertrain Control Module Description Fuel Controls - EVAP and Device Controls Fuel Controls - Fuel Pump Controls OBD II Symbol Description Notice IGN B Fuse, ACCY/RUN and RUN/START Bus Bars 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 Controlled/Monitored Subsystem and Transmission References Fuel Controls - Fuel Injectors OBD II Symbol Description Notice B+ Bus - Underhood Fuse Block TRLR STOP/TRN, CAN VENT, LH-LOBM, RH-LOBM, LH-HIBM and RH-HIBM Fuses IGN B Fuse, ACCY/RUN and RUN/START Bus Bars 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 and Stop Lamp Switch - w/o VSES w/o JL4
Figure 13:	Controlled/Monitored Subsystem and Transmission References Master Electrical Component List Powertrain Control Module Description Fuel Controls - EVAP and Device Controls OBD II Symbol Description Notice Compressor Controls - C60 Wheel Speed Sensors and VSS - w/o VSES Power, Ground, Serial Data, Indicator, VSS and Stop Lamp Switch - JL4 w/o JL4 Charging System Starting System Gages Indicators Tow/Haul and Park/Neutral Position Switch Inputs and Vehicle Speed Sensor Stop Lamp, Tow/Haul, Park/Neutral Position Switch Inputs and Speed Sensors Valve Controls and Switch Inputs Valve Controls and Switch Inputs Valve Controls and Switch Inputs Valve Controls and Switch Inputs