Engine Controls Schematics. Chevrolet Chevy C Cab/Chassis HD (GMT 400) 2001

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Schematics

Figure 1:	PCM Power, Grounding, DLC, and MIL Master Electrical Component List CMP, CKP, and KS OBD II Symbol Description Notice ECM-B, Horn, and A/C Fuses IGN A Fuse and Ignition Switch ECM-I Fuse, 1 of 2, Fuel Injectors IGN A Fuse and Ignition Switch Indicators and Illumination Lamps Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses Gauges Fuse and Turn-B/U Fuse Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses Data Link Connector G104, L18, 1 of 2, All Except HO2S Circuit G200 G104, L18, 1 of 2, All Except HO2S Circuit HO2S Circuit
Figure 2:	CMP, CKP, and KS Master Electrical Component List Knock Sensor (KS) System Description Ignition Control, Bank 1 (Left Side) PCM Power, Grounding, DLC, and MIL OBD II Symbol Description Notice Speedometer, Tachometer, and Fuel Gauge
Figure 3:	Ignition Control, Bank 1 (Left Side) Master Electrical Component List Electronic Ignition (EI) System Description Ignition Control, Bank 2 (Right Side) CMP, CKP, and KS 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 4:	Ignition Control, Bank 2 (Right Side) Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump Controls, Single Tank 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 5:	Fuel Pump Controls, Single Tank Master Electrical Component List Fuel Pump Controls, Dual Tanks Ignition Control, Bank 2 (Right Side) OBD II Symbol Description Notice Battery and Underhood Fuse Block PCM Power, Grounding, DLC, and MIL Speedometer, Tachometer, and Fuel Gauge G105, L18, 1 of 2, All Except Ignition Coils
Figure 6:	Fuel Pump Controls, Dual Tanks Master Electrical Component List 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 ENG I and IGN-E Fuse - L18 MAP, ECT, and Air Meter (IAC&MAF) EVAP and EGR Speedometer, Tachometer, and Fuel Gauge G105, L18, 1 of 2, All Except Ignition Coils
Figure 7:	Fuel Injector Controls Master Electrical Component List MAP, ECT, and Air Meter (IAC&MAF) 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 8:	MAP, ECT, and Air Meter (IAC&MAF) Master Electrical Component List Powertrain Control Module Description HO2S Circuit Fuel Injector Controls OBD II Symbol Description Notice IGN A Fuse and Ignition Switch EVAP and EGR G104, L18, 1 of 2, All Except HO2S Circuit Oil Pressure, Coolant Temperature, and Voltage Gauges, Battery and Check Gauges Indicators
Figure 9:	HO2S Circuit Master Electrical Component List Powertrain Control Module Description VSS Circuit MAP, ECT, and Air Meter (IAC&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 10:	VSS Circuit Master Electrical Component List EVAP and EGR HO2S Circuit OBD II Symbol Description Notice Speedometer, Tachometer, and Fuel Gauge Audible Warnings Circuit
Figure 11:	EVAP and EGR Master Electrical Component List Exhaust Gas Recirculation (EGR) System Description TAC Power, Grounding, Data Circuits, and Indicator Control VSS Circuit OBD II Symbol Description Notice IGN A Fuse and Ignition Switch MAP, ECT, and Air Meter (IAC&MAF)
Figure 12:	TAC Power, Grounding, Data Circuits, and Indicator Control Master Electrical Component List Throttle Actuator Control (TAC) System Description Throttle Control Circuits EVAP and EGR OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ENG I and IGN-E Fuse - L18 G104, L18, 1 of 2, All Except HO2S Circuit IGN A Fuse and Ignition Switch Gauges Fuse and Turn-B/U Fuse Indicators and Illumination Lamps
Figure 13:	Throttle Control Circuits Master Electrical Component List Throttle Actuator Control (TAC) System Description Accelerator Pedal Position Sensor Circuits TAC Power, Grounding, Data Circuits, and Indicator Control OBD II Symbol Description Notice
Figure 14:	Accelerator Pedal Position Sensor Circuits Master Electrical Component List Throttle Actuator Control (TAC) System Description TAC Cruise Control Inputs Throttle Control Circuits OBD II Symbol Description Notice
Figure 15:	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 Ignition Switch PTO Control Provisions Brake, Cruise, SEO TP-2, and Htr-A/C Fuses PTO Control Provisions PTO Control Provisions Stop and Turn/Hazard Lamps Controls
Figure 16:	PTO Control Provisions Master Electrical Component List A/T TCC/Stop Lamp Switch, Shift Solenoids 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 Ignition Switch Instrument Lamps Dimming Circuits Instrument Lamps Dimming Circuits 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 17:	A/T TCC/Stop Lamp Switch, Shift Solenoids Master Electrical Component List Electronic Component Description A/T Internal Switches, TFT, PC Solenoid Valve PTO Control Provisions OBD II Symbol Description Notice ABS, Blower, Stop-Haz, and IGN B Fuses, and Ignition Switch Brake, Cruise, SEO TP-2, and Htr-A/C Fuses IGN A Fuse and Ignition Switch Pwr Wdos Circuit Breaker, Wiper, Radio, Clock, and Trans Fuses EBCM Stoplamp 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