Engine Controls Schematics. Chevrolet Express 2002

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Express 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data and MIL Master Electrical Component List Powertrain Control Module Description Engine Data Sensors: Pressure and Temperature, MAF and VSS OBD II Symbol Description Notice Battery, Auxiliary Battery, and Underhood Fuse/Relay Center Ignition A, Ignition B Fuses, and Ignition Switch Ignition A, Ignition B Fuses, and Ignition Switch Gages Fuse ECM 1 and Ignition E Fuses - 8.1L ECM B, Horn, and A/C Fuses Headlamp Switch, Instrument Cluster, Park/Neutral Position Switch G101 - Gasoline Engines Data Link Connector (DLC)
Figure 2:	Engine Data Sensors: Pressure and Temperature, MAF and VSS Master Electrical Component List Powertrain Control Module Description Engine Data Sensors: Heated Oxygen Sensors Module Power, Ground, Serial Data and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors: Heated Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors: Electronic Throttle Controls Engine Data Sensors: Pressure and Temperature, MAF and VSS OBD II Symbol Description Notice Engine 1 Fuse - 6.5L and 8.1L Ignition A, Ignition B Fuses, and Ignition Switch G103 - 8.1L Engine
Figure 4:	Engine Data Sensors: Electronic Throttle Controls Master Electrical Component List Powertrain Control Module Description Ignition Controls: Odd Ignition Coils Engine Data Sensors: Heated Oxygen Sensors OBD II Symbol Description Notice ABS, Blower, AIR, Rear Blower and ETC Fuses ABS, Blower, AIR, Rear Blower and ETC Fuses G101 - Gasoline Engines
Figure 5:	Ignition Controls: Odd Ignition Coils Master Electrical Component List Powertrain Control Module Description Engine Data Sensors: Pressure and Temperature, MAF and VSS Ignition Controls: Even Ignition Coils OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch ECM 1 and Ignition E Fuses - 8.1L G103 - 8.1L Engine
Figure 6:	Ignition Controls: Even Ignition Coils Master Electrical Component List Powertrain Control Module Description Ignition Controls: Sensors Ignition Controls: Odd Ignition Coils OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch ECM 1 and Ignition E Fuses - 8.1L G103 - 8.1L Engine
Figure 7:	Ignition Controls: Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors: Pressure and Temperature, MAF and VSS Ignition Controls: Even Ignition Coils OBD II Symbol Description Notice
Figure 8:	Fuel Controls: Fuel Pump Controls Master Electrical Component List Powertrain Control Module Description Fuel Controls: Fuel Injectors Ignition Controls: Sensors OBD II Symbol Description Notice Battery, Auxiliary Battery, and Underhood Fuse/Relay Center ECM B, Horn, and A/C Fuses G101 - Gasoline Engines G103 - 8.1L Engine Gages
Figure 9:	Fuel Controls: Fuel Injectors Master Electrical Component List Powertrain Control Module Description Fuel Controls: EVAP Controls Fuel Controls: Fuel Pump Controls OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch ECM 1 and Ignition E Fuses - 8.1L
Figure 10:	Fuel and Device Controls: EVAP and EGR Controls Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References Fuel Controls: Fuel Injectors OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse - 6.5L and 8.1L
Figure 11:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls Fuel Controls: EVAP Controls OBD II Symbol Description Notice 8.1L Engine Wheel Speed Sensors, VSS and Brake Pressure Switch Charging System: Gasoline Engines A/C Fuses, ECM-B, IGN-E, Compressor Clutch, A/C Compressor Low Pressure Cutout Switch, G101, G103 (Gasoline Engines) A/C Fuses, ECM-B, IGN-E, Compressor Clutch, A/C Compressor Low Pressure Cutout Switch, G101, G103 (Gasoline Engines)
Figure 12:	Transmission Controls Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice Solenoid and TCC/Brake Switch Controls Sensor, Solenoid and GND Controls