Engine Controls Schematics. GMC Truck GMC C Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Engine Controls Schematics

Figure 1:	Cell 21: MIL, PCM Power and Ground Engine Controls Components Powertrain Control Module Description Cell 21: Serial Data OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Electronic Brake Control ModuLe Cell 10: Underhood Bussed Electrical Center, Data Link Connector Cell 10: Underhood Bussed Electrical Center, Electronic Brake Control ModuLe Cell 10: Underhood Bussed Electrical Center, Secondary Air Injection Pump Relay Power Distribution Schematics Cell 81: Left Bussed Electrical Center, Splice Pack SP205, Splice PackSP203 Cell 14: Vehicle Control Module, S103, G102
Figure 2:	Cell 21: Serial Data Engine Controls Components Powertrain Control Module Description Cell 21: Ignition Controls - Odd Cell 21: MIL, PCM Power and Ground OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Data Link Connector Cell 10: Underhood Bussed Electrical Center, Data Link Connector Cell 50 Cell 14: Vehicle Control Module, S103, G102 Cell 14: Vehicle Control Module, S103, G102 Cell 14: Vehicle Control Module, S103, G102 Cell 14: Vehicle Control Module, S103, G102 Cell 14: Vehicle Control Module, S103, G102 Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Figure 3:	Cell 21: Ignition Controls - Odd Engine Controls Components Powertrain Control Module Description Cell 21: Ignition Controls - Even Cell 21: Serial Data OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Crankshaft Position Sensor, Fuel Injector 8 Ground Distribution Schematics
Figure 4:	Cell 21: Ignition Controls - Even Engine Controls Components Powertrain Control Module Description Cell 21: CMP, CKP, KS Cell 21: Ignition Controls - Odd OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Crankshaft Position Sensor, Fuel Injector 8 Cell 14: Underhood Bussed Electrical Center, Windshield Wiper Motor
Figure 5:	Cell 21: CMP, CKP, KS Engine Controls Components Powertrain Control Module Description Cell 21: Fuel Controls Cell 21: Ignition Controls - Even OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice
Figure 6:	Cell 21: Fuel Controls Engine Controls Components Powertrain Control Module Description Cell 21: Fuel Injectors Cell 21: CMP, CKP, KS OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 14: Vehicle Control Module, S103, G102 Cell 14: Vehicle Control Module, S103, G102 Cell 10: Underhood Bussed Electrical Center, Data Link Connector
Figure 7:	Cell 21: Fuel Injectors Engine Controls Components Powertrain Control Module Description Cell 21: ECT, IAC, IAT, MAF, MAP, TP Cell 21: Fuel Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Crankshaft Position Sensor, Fuel Injector 8 Cell 10: Crankshaft Position Sensor, Fuel Injector 8
Figure 8:	Cell 21: ECT, IAC, IAT, MAF, MAP, TP Engine Controls Components Powertrain Control Module Description Cell 21: Oxygen Sensors Cell 21: Fuel Injectors OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Bussed Fuses Cell 14: Vehicle Control Module, S103, G102
Figure 9:	Cell 21: Oxygen Sensors Engine Controls Components Powertrain Control Module Description Cell 21: Secondary AIR Controls Cell 21: ECT, IAC, IAT, MAF, MAP, TP OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Bussed Fuses Cell 14: Underhood Bussed Electrical Center, Windshield Wiper Motor
Figure 10:	Cell 21: Secondary AIR Controls Engine Controls Components Powertrain Control Module Description Cell 21: VSS Cell 21: Oxygen Sensors OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Bussed Fuses Cell 10: Underhood Bussed Electrical Center, Headlamp Dimmer Switch Cell 14: Underhood Bussed Electrical Center, Windshield Wiper Motor
Figure 11:	Cell 21: VSS Engine Controls Components Powertrain Control Module Description Cell 21: EVAP Controls Cell 21: Secondary AIR Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice
Figure 12:	Cell 21: EVAP Controls Engine Controls Components Powertrain Control Module Description Cell 21: Engine Oil Level, Engine Coolant Level, 4WD Switches, Cruise Input, Generator Input Cell 21: VSS OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Underhood Bussed Electrical Center, Bussed Fuses
Figure 13:	Cell 21: Engine Oil Level, Engine Coolant Level, 4WD Switches, Cruise Input, Generator Input Engine Controls Components Powertrain Control Module Description Cell 21: Stoplamp/CPP Switches Cell 21: EVAP Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 14: Vehicle Control Module, S103, G102
Figure 14:	Cell 21: Stoplamp/CPP Switches Engine Controls Components Powertrain Control Module Description Cell 21: Stoplamp Switch, Transmission Controls (4L80-E) Cell 21: Engine Oil Level, Engine Coolant Level, 4WD Switches, Cruise Input, Generator Input OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module
Figure 15:	Cell 21: Stoplamp Switch, Transmission Controls (4L60-E) Engine Controls Components Powertrain Control Module Description Cell 21: PNP Switch, Tow/Haul Switch Cell 21: Stoplamp Switch, Transmission Controls (4L80-E) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module Power Distribution Schematics Cell 44: Left Bussed Electrical Center, Splice Pack SP205
Figure 16:	Cell 21: Stoplamp Switch, Transmission Controls (4L80-E) Engine Controls Components Powertrain Control Module Description Cell 21: Stoplamp Switch, Transmission Controls (4L60-E) Cell 21: Stoplamp/CPP Switches OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module Power Distribution Schematics Cell 44: Left Bussed Electrical Center, Splice Pack SP205
Figure 17:	Cell 21: PNP Switch, Tow/Haul Switch Engine Controls Components Powertrain Control Module Description Cell 21: A/C Controls Cell 21: Stoplamp Switch, Transmission Controls (4L60-E) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 50 Cell 14: Horn Switch, C201C, C207C Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch Cell 14: Vehicle Control Module, S103, G102
Figure 18:	Cell 21: A/C Controls Engine Controls Components Powertrain Control Module Description Cell 21: PNP Switch, Tow/Haul Switch OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 14: Underhood Bussed Electrical Center, Windshield Wiper Motor