Engine Controls Schematics. Generic Unit Repair 2002

For 1990-2009 cars only

Makes 🢒 Generic 🢒 2002 🢒 Unit Repair 🢒 Engine 🢒 Engine Controls - 5.0L and 5.7L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and DLC Master Electrical Component List Powertrain Control Module Description Ignition Controls 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 Gauges Fuse ECM B, Horn, and A/C Fuses ECM 1 and Ignition E Fuses (5.0L and 5.7L) Indicators 1 of 2 (Diesel) G103 (4.3L, 5.0L, and 5.7L Engines) Ground Distribution Data Link Communications
Figure 2:	Ignition Controls Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump Controls Power, Ground, MIL and DLC OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch ECM 1 and Ignition E Fuses (5.0L and 5.7L) G103 (4.3L, 5.0L, and 5.7L Engines)
Figure 3:	Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Injector Controls Ignition Controls OBD II Symbol Description Notice Battery, Auxiliary Battery, and Underhood Fuse/Relay Center ECM B, Horn, and A/C Fuses Gauges G103 (4.3L, 5.0L, and 5.7L Engines) Ground Distribution Gauges
Figure 4:	Fuel Injector Controls Master Electrical Component List Fuel System Description Engine Data Sensors Fuel Pump Controls OBD II Symbol Description Notice ECM 1 and Ignition E Fuses (5.0L and 5.7L) Ignition A, Ignition B Fuses, and Ignition Switch ECM 1 and Ignition E Fuses (5.0L and 5.7L)
Figure 5:	Engine Data Sensors Master Electrical Component List Powertrain Control Module Description EVAP and EGR Controls Fuel Injector Controls OBD II Symbol Description Notice
Figure 6:	EVAP and EGR Controls Master Electrical Component List Evaporative Emission Control System Description Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E) Engine Data Sensors OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse (4.3L, 5.0L, and 5.7L) Fuel Pump Controls
Figure 7:	Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E) Master Electrical Component List Powertrain Control Module Description Sensor Controls: Heated Oxygen Sensor (5.7L with 4L80-E) EVAP and EGR Controls OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse (4.3L, 5.0L, and 5.7L) G103 (4.3L, 5.0L, and 5.7L Engines) Components through S152 to G103 (Gasoline Engines) G103 (4.3L, 5.0L, and 5.7L Engines)
Figure 8:	Sensor Controls: Heated Oxygen Sensor (5.7L with 4L80-E) Master Electrical Component List Powertrain Control Module Description MAF, IAC and VSS Sensor Controls: Heated Oxygen Sensor (5.0L, 5.7L with 4L60-E) OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse (4.3L, 5.0L, and 5.7L) G103 (4.3L, 5.0L, and 5.7L Engines) Components through S152 to G103 (Gasoline Engines) G103 (4.3L, 5.0L, and 5.7L Engines)
Figure 9:	MAF, IAC and VSS Master Electrical Component List Powertrain Control Module Description Secondary AIR Controls Sensor Controls: Heated Oxygen Sensor (5.7L with 4L80-E) OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse (4.3L, 5.0L, and 5.7L) Ground Distribution Gauges Wheel Speed Sensors, VSS and Brake Pressure Switch Engine Controls Schematic Icons
Figure 10:	Secondary AIR Controls Master Electrical Component List Secondary Air Injection System Description Automatic Transmission Control References 4L60-E MAF, IAC and VSS OBD II Symbol Description Notice ABS, Blower, AIR and Rear Blower Fuses Ignition A, Ignition B Fuses, and Ignition Switch Engine 1 Fuse (4.3L, 5.0L, and 5.7L) G103 (4.3L, 5.0L, and 5.7L Engines) Components through S152 to G103 (Gasoline Engines)
Figure 11:	Automatic Transmission Control References 4L80-E Master Electrical Component List Powertrain Control Module Description Cruise Control, Charging System and HVAC References Automatic Transmission Control References 4L60-E OBD II Symbol Description Notice Ignition A, Ignition B Fuses, and Ignition Switch Sensor, Solenoid and GND Controls
Figure 12:	Cruise Control, Charging System and HVAC References Master Electrical Component List Powertrain Control Module Description Automatic Transmission Control References 4L80-E OBD II Symbol Description Notice 4.3L, 5.0L and 5.7L Engines 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)