Engine Controls Schematics. Chevrolet Chevy C Cab/Chassis HD (GMT 400) 2004

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2004 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Engine 🢒 Engine Controls - 8.1L 🢒 Engine Controls Schematics

Figure 1:	PCM Power, Grounding, DLC, and MIL Master Electrical Component List Powertrain Control Module Description 5 Volt and Low Reference Busses OBD II Symbol Description Notice ECM-B, Horn IGN A Fuse and Ignition Switch ECM-I Fuse, 1 of 2 Fuel Injectors IGN A Fuse and Ignition Switch G203 Gages Fuse and Turn-B/U Fuse G203 Data Link Connector (DLC) Schematics G104, L18, 1 of 2, All Except HO2S Circuit HO2S Circuit
Figure 2:	5 Volt and Low Reference Busses Master Electrical Component List Powertrain Control Module Description MAP, ECT, VSS Circuit, and IAT/MAF PCM Power, Grounding, DLC, and MIL OBD II Symbol Description Notice
Figure 3:	MAP, ECT, VSS Circuit, and IAT/MAF Master Electrical Component List Powertrain Control Module Description HO2S Circuit 5 Volt and Low Reference Busses OBD II Symbol Description Notice IGN A Fuse and Ignition Switch G104, L18, 1 of 2, All Except HO2S Circuit L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors Speedometer, Tachometer, and Fuel Gage Oil Pressure, Coolant Temperature, and Voltage Gages, Battery, and Check Gages Indicators
Figure 4:	HO2S Circuit Master Electrical Component List Powertrain Control Module Description 2004 CK 400 Mexico TAC Power, Grounding, Data Circuits, and Indicator Control MAP, ECT, VSS Circuit, and IAT/MAF OBD II Symbol Description Notice PCM Power, Grounding, DLC, and MIL G104, L18, 1 of 2, All Except HO2S Circuit PCM Power, Grounding, DLC, and MIL
Figure 5:	TAC Power, Grounding, Data Circuits, and Indicator Control Master Electrical Component List Throttle Actuator Control (TAC) System Description 2004 CK 400 Mexico Throttle Control Circuits HO2S Circuit OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ENGI and IGN-E Fuse - L18 G104, L18, 1 of 2, All Except HO2S Circuit IGN A Fuse and Ignition Switch Gages Fuse and Turn-B/U Fuse G203
Figure 6:	Throttle Control Circuits Master Electrical Component List Throttle Actuator Control (TAC) System Description Accelerator Pedal Position Sensor Circuits 2004 CK 400 Mexico TAC Power, Grounding, Data Circuits, and Indicator Control OBD II Symbol Description Notice
Figure 7:	Accelerator Pedal Position Sensor Circuits Master Electrical Component List Throttle Actuator Control (TAC) System Description TAC Cruise Control Inputs 2004 CK 400 Mexico Throttle Control Circuits OBD II Symbol Description Notice
Figure 8:	TAC Cruise Control Inputs Master Electrical Component List Throttle Actuator Control (TAC) System Description PTO Control Provisions Accelerator Pedal Position Sensor Circuits OBD II Symbol Description Notice Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses Lighting and Battery Fuses ABS, Blower, Stop-Haz, and IGN B Fuses, and Igntion Switch PTO Control Provisions Brake, Curise, SEO TP-2, and Htr-Fuses PTO Control Provisions PTO Control Provisions Stop and Turn/Hazard Lamps Control
Figure 9:	PTO Control Provisions Master Electrical Component List Ignition Control, Bank 1 (Left Side) TAC Cruise Control Inputs OBD II Symbol Description Notice Battery and Underhood Fuse Block TAC Cruise Control Inputs ABS, Blower, Stop-Haz, and IGN B Fuses, and Igntion Switch Interior Dimming Schematics Interior Dimming Schematics TAC Cruise Control Inputs TAC Cruise Control Inputs G200 TAC Cruise Control Inputs TAC Cruise Control Inputs G105, L18, 1 of 2, All Except Ignition Coils
Figure 10:	Ignition Control, Bank 1 (Left Side) Master Electrical Component List Electronic Ignition (EI) System Description Ignition Control, Bank 1 (Right Side) PTO Control Provisions OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ECM-I Fuse, 2 of 2 Ignition Coils G105, L18, 2 of 2, Ignition Coils
Figure 11:	Ignition Control, Bank 2 (Right Side) Master Electrical Component List Electronic Ignition (EI) System Description CMP, CKP, and KS Ignition Control, Bank 1 (Left Side) OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ECM-I Fuse, 2 of 2 Ignition Coils G105, L18, 2 of 2, Ignition Coils
Figure 12:	CMP, CKP, and KS Master Electrical Component List Knock Sensor (KS) System Description Fuel Pump Controls, Single Tank Ignition Control, Bank 1 (Right Side) OBD II Symbol Description Notice G112, Lights, Right Side
Figure 13:	Fuel Pump Controls, Single Tank Master Electrical Component List Fuel System Description Fuel Pump Controls, Dual Tanks CMP, CKP, and KS OBD II Symbol Description Notice Battery and Underhood Fuse Block PCM Power, Grounding, DLC, and MIL Theft Deterrent System Schematics Data Link Connector (DLC) Schematics Speedometer, Tachometer, and Fuel Gage G105, L18, 1 of 2, All Except Ignition Coils
Figure 14:	Fuel Pump Controls, Dual Tanks Master Electrical Component List Fuel System Description Fuel Injector Controls Fuel Pump Controls, Single Tank OBD II Symbol Description Notice Battery and Underhood Fuse Block PCM Power, Grounding, DLC, and MIL IGN A Fuse and Ignition Switch ENGI and IGN-E Fuse - L18 Theft Deterrent System Schematics Data Link Connector (DLC) Schematics Speedometer, Tachometer, and Fuel Gage G105, L18, 1 of 2, All Except Ignition Coils
Figure 15:	Fuel Injector Controls Master Electrical Component List Fuel System Description Fuel Pump Controls, Dual Tanks OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ECM-I Fuse, 1 of 2 Fuel Injectors
Figure 16:	EVAP and EGR Master Electrical Component List Evaporative Emission Control System Description with FE9 and above 8600 GVW A/T TCC/Stop Lamp Switch, Shift Solenoids Fuel Injector Controls OBD II Symbol Description Notice IGN A Fuse and Ignition Switch MAP, ECT, VSS Circuit, and IAT/MAF
Figure 17:	A/T TCC/Stop Lamp Switch, Shift Solenoids Master Electrical Component List Electronic Component Description EVAP OBD II Symbol Description Notice ABS, Blower, Stop-Haz, and IGN B Fuses, and Igntion Switch Brake, Curise, SEO TP-2, and Htr-Fuses IGN A Fuse and Ignition Switch L18 TCC/Stoplamp Switch and Shift Solenoids Pwr Wdos Circuit Breaker, Wiper, Radio, Clock, and Trans Fuses L18 TCC/Stoplamp Switch and Shift Solenoids L18 TCC/Stoplamp Switch and Shift Solenoids EBCM Stop Lamp Switch and Wheel Speed Inputs
Figure 18:	A/T Internal Switches, TFT, PC Solenoid Valve Master Electrical Component List Electronic Component Description A/T TCC/Stop Lamp Switch, Shift Solenoids OBD II Symbol Description Notice L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors