Engine Controls Schematics. Chevrolet Chevy C Cab/Chassis HD (GMT 400) 2002

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Engine 🢒 Engine Controls - 6.5L 🢒 Engine Controls Schematics

Figure 1:	PCM Power, Grounding, DLC, and MIL Master Electrical Component List Powertrain Control Module Description L65 5 Volt and Low Reference Circuits 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 (Diesel) IP Illumination Lamps and Indicator Lamps IGN A Fuse and Ignition Switch Gauges and Turn-B/U Fuses Datalink Connector Schematic G104 (L65)
Figure 2:	5 Volt and Low Reference Circuits Master Electrical Component List Powertrain Control Module Description L65 Wastegate Solenoid, Boost Sensor, IAT Sensor, and ECT Sensor PCM Power, Grounding, DLC, MIL, and Service Throttle Lamps OBD II Symbol Description Notice
Figure 3:	Wastegate Solenoid, Boost Sensor, IAT Sensor, ECT Sensor, and PTO Master Electrical Component List Powertrain Control Module Description L65 Acc. Ped. Pos. Sen., Stoplamp Sw., Cruise Control Switch Inputs L65 5 Volt and Low Reference Circuits OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ENG-I and ECM-I Fuses (Diesel) L65 CKP and Injection Timing Stepper Motor L65 CKP and Injection Timing Stepper Motor L65 A/T Internal Switches, TFT, PC Solenoid Valve
Figure 4:	Accelerator Pedal Position Module and Service Throttle Soon Indicator Master Electrical Component List Fuel System Description L65 Vehicle Speed Sensor Circuit L65 Wastegate Solenoid, Boost Sensor, IAT Sensor, and ECT Sensor OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Gauges and Turn-B/U Fuses IP Illumination Lamps and Indicator Lamps
Figure 5:	VSS Circuit Master Electrical Component List L65 CKP and Injection Timing Stepper Motor L65 Acc. Ped. Pos. Sen., Stoplamp Sw., Cruise Control Switch Inputs OBD II Symbol Description Notice Gauges and Turn-B/U Fuses IGN A Fuse and Ignition Switch Fuel Gauge, Tachometer, and Speedometer G104 (L65)
Figure 6:	CMP, CKP and Injection Timing Stepper Motor Master Electrical Component List Fuel System Description L65 Glowplug Control Circuit L65 Vehicle Speed Sensor Circuit OBD II Symbol Description Notice L65 Wastegate Solenoid, Boost Sensor, IAT Sensor, and ECT Sensor L65 Wastegate Solenoid, Boost Sensor, IAT Sensor, and ECT Sensor L65 A/T Internal Switches, TFT, PC Solenoid Valve L65 Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor
Figure 7:	Glow Plug Control Circuit Master Electrical Component List Glow Plug System Description L65 Fuel Pump Controls - Single Tank L65 CKP and Injection Timing Stepper Motor OBD II Symbol Description Notice IGN A Fuse and Ignition Switch Gauges and Turn-B/U Fuses IP Illumination Lamps and Indicator Lamps ENG-I and ECM-I Fuses (Diesel) IGN A Fuse and Ignition Switch Battery and Underhood Fuse Block G105 and G106 (L65)
Figure 8:	Fuel Pump Controls, Single Tank Master Electrical Component List L65 Fuel Pump Controls - Dual Tanks L65 Glowplug Control Circuit OBD II Symbol Description Notice Battery and Underhood Fuse Block ECM-B, Horn, and A/C Fuses G104 (L65) Datalink Connector Schematic
Figure 9:	Fuel Pump Controls, Dual Tanks Master Electrical Component List L65 Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor L65 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) Fuel Gauge, Tachometer, and Speedometer G104 (L65) Datalink Connector Schematic
Figure 10:	Water-in-Fuel Sensor, Fuel Heater, and Fuel Temperature Sensor Master Electrical Component List L65 Fuel Solenoid Driver and Engine Shut Off Solenoid L65 Fuel Pump Controls - Dual Tanks OBD II Symbol Description Notice IGN A Fuse and Ignition Switch IP Illumination Lamps and Indicator Lamps ENG-I and ECM-I Fuses (Diesel) G105 and G106 (L65) L65 CKP and Injection Timing Stepper Motor
Figure 11:	Fuel Solenoid Driver and Engine Shut Off Solenoid Master Electrical Component List Fuel System Description L65 Monitor and Control: A/C, ABS, and Cruise Control L65 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 (Diesel)
Figure 12:	5 Volt and Low Reference Circuits Master Electrical Component List Powertrain Control Module Description L65 A/T TCC/Stoplamps Switch, Shift Solenoids L65 Fuel Solenoid Driver and Engine Shut Off Solenoid OBD II Symbol Description Notice ABS, Blower, Stop-Haz, and IGN B Fuses and Ignition Switch L65 Cruise Control Circuits EBCM Power, Grounding, DLC, and Indicator Lamps Datalink Connector Schematic Air Conditioning Compressor Control (L65) EBCM Stoplamp switch and Wheel Speed Inputs
Figure 13:	A/T TCC/Stop Lamps Switch and Shift Solenoids Master Electrical Component List Electronic Component Description L65 A/T Internal Switches, TFT, PC Solenoid Valve L65 Monitor and Control: A/C, ABS, and Cruise Control OBD II Symbol Description Notice Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr 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 TCC/Stoplamps Switch and Shift Sensors ENG-I and ECM-I Fuses (Diesel) TCC/Stoplamps Switch and Shift Sensors TCC/Stoplamps Switch and Shift Sensors TCC/Stoplamps Switch and Shift Sensors EBCM Stoplamp switch and Wheel Speed Inputs Stop Lamps and Turn/Hazard Lamps Controls
Figure 14:	A/T Internal Switches, TFT, PC Solenoid Valve, and Input Shaft Speed Sensor Master Electrical Component List Electronic Component Description L65 A/T TCC/Stoplamps Switch, Shift Solenoids OBD II Symbol Description Notice Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors Pressure Switch, TFT Sensor, PC Sol Valve, and Shaft Speed Sensors L65 CKP and Injection Timing Stepper Motor L65 Wastegate Solenoid, Boost Sensor, IAT Sensor, and ECT Sensor