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, MIL, and Service Throttle Indicators Master Electrical Component List Powertrain Control Module Description Glow Plug Control Circuit OBD II Symbol Description Notice Battery and Underhood Fuse Block ECM-B, Horn, and A/C Fuses IGN A Fuse and Ignition Switch ENG-I and ECM-I Fuses (L65) Indicators and Illumination Lamps IGN A Fuse and Ignition Switch Gauges Fuse and Turn-B/U Fuse Lighting and Battery Fuses Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses G104, L65 G200 G104, L65
Figure 2:	Glow Plug Control Circuit Master Electrical Component List Glow Plug System Description CKP and Injection Timing Stepper Motor PCM Power, Grounding, DLC, MIL, and Service Throttle Indicators OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Gauges Fuse and Turn-B/U Fuse Indicators and Illumination Lamps ENG-I and ECM-I Fuses (L65) IGN A Fuse and Ignition Switch Battery and Underhood Fuse Block G105 and G106 (L65 Except Frame Ground)
Figure 3:	CKP and Injection Timing Stepper Motor Master Electrical Component List Fuel System Description Fuel Pump Controls, Single Tank Glow Plug Control Circuit OBD II Symbol Description Notice Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO A/T Internal Switches, TFT, PC Solenoid Valve, and Input Shaft Speed Sensor
Figure 4:	Fuel Pump Controls, Single Tank Master Electrical Component List Fuel Pump Controls, Dual Tanks CKP and Injection Timing Stepper Motor OBD II Symbol Description Notice Battery and Underhood Fuse Block ECM-B, Horn, and A/C Fuses G104, L65
Figure 5:	Fuel Pump Controls, Dual Tanks Master Electrical Component List Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor Fuel Pump Controls, Single Tank OBD II Symbol Description Notice Battery and Underhood Fuse Block ECM-B, Horn, and A/C Fuses IGN A Fuse and Ignition Switch Air Conditioning Compressor Control (L65) Speedometer, Tachometer, and Fuel Gauge G104, L65
Figure 6:	Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor Master Electrical Component List Fuel Solenoid Driver and Engine Shut Off Solenoid Fuel Pump Controls, Dual Tanks OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Indicators and Illumination Lamps Gauges Fuse and Turn-B/U Fuse IGN A Fuse and Ignition Switch ENG-I and ECM-I Fuses (L65) G105 and G106 (L65 Except Frame Ground)
Figure 7:	Fuel Solenoid Driver and Engine Shut Off Solenoid Master Electrical Component List Fuel System Description Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ENG-I and ECM-I Fuses (L65)
Figure 8:	Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO Master Electrical Component List VSS Circuit Fuel Solenoid Driver and Engine Shut Off Solenoid OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ENG-I and ECM-I Fuses (L65) CKP and Injection Timing Stepper Motor CKP and Injection Timing Stepper Motor A/T Internal Switches, TFT, PC Solenoid Valve, and Input Shaft Speed Sensor
Figure 9:	VSS Circuit Master Electrical Component List Accelerator Pedal Position, Clutch Pedal Position Switch, and Cruise Control Switch Inputs Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO OBD II Symbol Description Notice Gauges Fuse and Turn-B/U Fuse IGN A Fuse and Ignition Switch Speedometer, Tachometer, and Fuel Gauge G104, L65
Figure 10:	Accelerator Pedal Position, Clutch Pedal Position Switch, and Cruise Control Switch Inputs Master Electrical Component List Fuel System Description A/T TCC/Stop Lamps Switch and Shift Solenoids Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO OBD II Symbol Description Notice ABS, Blower, Stop-Haz, and IGN B Fuses, and Ignition Switch A/T TCC/Stop Lamps Switch and Shift Solenoids EBCM Stoplamp Switch and Wheel Speed Inputs
Figure 11:	A/T TCC/Stop Lamps Switch and Shift Solenoids Master Electrical Component List Electronic Component Description A/T Internal Switches, TFT, PC Solenoid Valve, and Input Shaft Speed Sensor Accelerator Pedal Position, Clutch Pedal Position Switch, and Cruise Control Switch Inputs OBD II Symbol Description Notice Lighting and Battery Fuses Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses 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 ENG-I and ECM-I Fuses (L65) EBCM Stoplamp Switch and Wheel Speed Inputs Stop and Turn/Hazard Lamps Controls
Figure 12:	A/T Internal Switches, TFT, PC Solenoid Valve, and Input Shaft Speed Sensor Master Electrical Component List Electronic Component Description A/T TCC/Stop Lamps Switch and Shift Solenoids OBD II Symbol Description Notice CKP and Injection Timing Stepper Motor Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO