Engine Controls Schematics. GMC Truck TopKick C-Series (Conventional) C4/C5 2006

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Engine Controls Schematics

Figure 1:	Module Power Master Electrical Component List Engine Control Module Description Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL Engine Controls Schematic Icons Batteries - LG4/LG5 and B+ Bus Batteries - LG4/LG5 and B+ Bus Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars ENGINE and PCM-1 Fuses/Circuit Breakers TRANS Fuse/Circuit Breaker ENGINE and PCM-1 Fuses/Circuit Breakers ENG-2 and ENG-3 Fuses - LG5/LLY A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses TRANS Fuse/Circuit Breaker ENGINE and PCM-1 Fuses/Circuit Breakers
Figure 2:	Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL Master Electrical Component List Engine Control Module Description Engine Data Sensors - 5-Volt and Low Reference Module Power Engine Controls Schematic Icons Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars Batteries - LG4/LG5 and B+ Bus ENGINE and PCM-1 Fuses/Circuit Breakers ENGINE and PCM-1 Fuses/Circuit Breakers Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars AIRBAG, GAUGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers ENG-1 and ENG-4 Fuses - L18/LLY G100 - LLY High Speed GMLAN - LLY/L18 Splice Pack SP203 G203 - 2 of 4
Figure 3:	Engine Data Sensors - 5-Volt and Low Reference Master Electrical Component List Engine Control Module Description Engine Data Sensors - Pressure, Temperature and MAF Sensor Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL Engine Controls Schematic Icons
Figure 4:	Engine Data Sensors - Pressure, Temperature and MAF Sensor Master Electrical Component List Engine Control Module Description Engine Data Sensors - EGR and Turbocharger Engine Data Sensors - 5-Volt and Low Reference Engine Controls Schematic Icons Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL ENG-1 and ENG-4 Fuses - L18/LLY Manual Transmission Schematics Manual Transmission Schematics Transmission Controls, Speed Sensors, and Transmission Optional Connector Instrument Panel Cluster - 2 of 2
Figure 5:	Engine Data Sensors - EGR and Turbocharger Master Electrical Component List Turbocharger System Description Engine Data Sensors - APP, High Idle Switch (UZ3) and Injection Timing Controls Engine Data Sensors - Pressure, Temperature and MAF Sensor Engine Controls Schematic Icons
Figure 6:	Engine Data Sensors - APP, High Idle Switch (UZ3) and Injection Timing Controls Master Electrical Component List Accelerator Pedal Position System Description Engine Data Sensors - Glow Plug Controls Engine Data Sensors - EGR and Turbocharger Engine Controls Schematic Icons Ignition Switch - RUN and ACC/RUN Bus Bars and IGN 3 Fuse AXL/4WD, BRK, HTR/AC, and HYD/AIR BRK Fuses/Circuit Breakers Engine Controls Schematic Icons Engine Controls Schematic Icons G101 - 1 of 2
Figure 7:	Engine Data Sensors - Glow Plug Controls Master Electrical Component List Glow Plug System Description Fuel Controls - Fuel Pump, Temperature and Pressure Controls Engine Data Sensors - APP, High Idle Switch (UZ3) and Injection Timing Controls Engine Controls Schematic Icons Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL ENG-1 and ENG-4 Fuses - L18/LLY Batteries - LG4/LG5 and B+ Bus Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars DIC AIRBAG, GAUGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers TRANS Fuse/Circuit Breaker TRANS Fuse/Circuit Breaker High Speed GMLAN - LLY/L18 G119 and G120
Figure 8:	Fuel Controls - Fuel Pump, Temperature and Pressure Controls Master Electrical Component List Engine Control Module Description Fuel Controls - Fuel Heater and Water-In-Fuel Sensor Engine Data Sensors - Glow Plug Controls Engine Controls Schematic Icons ECM-B Circuit Breaker - C6/C7 and FUEL Fuse/Circuit Breaker - C4/C5/C8 Engine Controls Schematic Icons Fuel Gage G200 and G202 G100 - LLY G203 - 1 of 4
Figure 9:	Fuel Controls - Fuel Heater and Water-In-Fuel Sensor Master Electrical Component List Engine Control Module Description Fuel Controls - Fuel Injectors Fuel Controls - Fuel Pump, Temperature and Pressure Controls Engine Controls Schematic Icons ENG-1 and ENG-4 Fuses - L18/LLY Fuse Blocks, IGN-A Relay, Ground, Serial Data and MIL A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses Ignition Switch - OFF/RUN/START, RUN/START, and START Bus Bars AIRBAG, GAUGES, LT REAR TURN/STOP, and RT REAR TURN/STOP Fuses/Circuit Breakers DIC G103, G105, and G106 G200 and G202 G200 and G202
Figure 10:	Fuel Controls - Fuel Injectors Master Electrical Component List Engine Control Module Description Controlled/Monitored Subsystem References 1 of 2 Fuel Controls - Fuel Heater and Water-In-Fuel Sensor Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 11:	Controlled/Monitored Subsystem References 1 of 2 Master Electrical Component List Engine Control Module Description Controlled/Monitored Subsystem References 2 of 2 Fuel Controls - Fuel Injectors Engine Controls Schematic Icons Starting System (L18/LLY) Charging System (L18/LLY) Engine Exhaust Brake Schematics 1 of 2 2 of 2 LG4 and LLY Engine Cooling Schematics C102 - Transmission Optional Connector and Internal Mode Switch - LLY/L18 A/C Compressor Controls - L18/LLY
Figure 12:	Controlled/Monitored Subsystem References 2 of 2 Master Electrical Component List Engine Control Module Description Controlled/Monitored Subsystem References 1 of 2 Engine Controls Schematic Icons Power, Ground, Class 2 Serial Data, Transfer Case Shift Control Module and Transfer Case Encoder Motor Instrument Panel Cluster - 2 of 2 DIC Manual Transmission Schematics Manual Transmission Schematics Backup Lamps and Backup Alarm