Engine Controls Schematics. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2002 🢒 Sonoma Pickup - 4WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data and MIL Master Electrical Component List Service Programming System (SPS) Description Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice B+ Bus Bar Ign RUN and START Bus Bar Ign RUN and START Bus Bar TURN, SIR and GAUGES Fuses Indicators SP201 (2.2L) G103 and G105 (4.3 L)
Figure 2:	Engine Data Sensors -- Pressure and Temperature Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - MAF and VSS Module Power, Ground, Serial Data and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors -- MAF and VSS Master Electrical Component List Powertrain Control Module Description Heated Oxygen Sensors - Except NM8 Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice Ign RUN and START Bus Bar Fuel Controls - EVAP Controls Gages G103 and G105 (4.3 L) VSS Inputs, 4WD Low Indicator Signal (4.3L) Vehicle Speed Sensor
Figure 4:	Heated Oxygen Sensors - Except NM8 Master Electrical Component List Powertrain Control Module Description Ignition Controls - Ignition System and Sensors Engine Data Sensors - MAF and VSS OBD II Symbol Description Notice Ign RUN and START Bus Bar
Figure 5:	Ignition Controls -- Ignition System and Sensors Master Electrical Component List Distributor Ignition (DI) System Description Fuel Controls - Fuel Pump Controls Heated Oxygen Sensors - Except NM8 OBD II Symbol Description Notice Ign RUN and START Bus Bar VSS Inputs, 4WD Low Indicator Signal (4.3L) G103 and G105 (4.3 L) G103 and G105 (4.3 L)
Figure 6:	Fuel Controls - Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Controls - Fuel Injector Controls Ignition Controls - Ignition System and Sensors OBD II Symbol Description Notice B+ Bus Bar G102 (Except Export) G402 and G421 (Utility)
Figure 7:	Fuel Controls - Fuel Injector Controls Master Electrical Component List Fuel System Description Fuel Controls - EVAP Controls Fuel Controls - Fuel Pump Controls OBD II Symbol Description Notice Ign RUN and START Bus Bar
Figure 8:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Device Controls, Controlled/Monitored Subsystem References and M/T Fuel Controls - Fuel Injector Controls OBD II Symbol Description Notice Fuel Level Sensor Signal Fuel Level Sensor Signal Engine Data Sensors - MAF and VSS Ign RUN and START Bus Bar
Figure 9:	Device Controls, Controlled/Monitored Subsystem References, and M/T Master Electrical Component List Powertrain Control Module Description Transmission Controls - A/T Fuel Controls - EVAP Controls OBD II Symbol Description Notice Compressor Controls - 4.3L A/C Compressor Clutch Coil, Relay, Diode and High Pressure Cutoff Switch Front Axle Indicator Switch and Powertrain Control Module (PCM) Speed Sensor Signals Engine Charging Clutch Pedal Position Switch, Stop Lamp Switch, PCM and Cruise Control Module Manual Transmission - NV3500 Front Axle Indicator Switch and Powertrain Control Module (PCM) CRANK Fuse, Front Axle Indicator Switch, and Front Axle Vacuum Solenoid
Figure 10:	Transmission Controls - A/T Master Electrical Component List Powertrain Control Module Description Device Controls, Controlled/Monitored Subsystem References and M/T OBD II Symbol Description Notice Switch Inputs and PNP Switch (2.2L) Valve Controls (2.2L)