Engine Control System - 6.0L (CNG) - Introduction

• Specifications
  • Compressed Natural Gas (CNG) Temperature vs Percent Full
  • Fuel Tank Pressure (FTP) Sensor Output Voltage vs Pressure
  • Fuel Rail Pressure (FRP) Sensor Output Voltage vs Pressure
  • Fuel Tank Temperature (FTT) Sensor Output Voltage vs Temperature Resistance
  • Fuel Temperature Sensor (FTS) Output Voltage vs Temperature Resistance
  • Fuel Rail Temperature (FRT) Sensor Output Voltage vs Temperature Resistance
  • Fastener Tightening Specifications
• Schematic and Routing Diagrams
  • Engine Controls Schematic Icons
  • Engine Controls Schematics
• Component Locator
  • Engine Controls Components
  • Engine Controls Component Views
  • Engine Controls Connectors
  • Powertrain Control Module (PCM) Connectors (w/o JL4)
  • Powertrain Control Module (PCM) Connectors (JL4)
  • Fuel Injection Control Module Connector
• Repair Instructions
  • Fuel Injection Control Module Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Pressure Relief Procedure
  • Fuel Tank Inspection
    • Notes
    • Tank Label Inspection Procedure
    • Tank Inspection Procedure
      • Notes
      • Dents
      • Gouges
    • Mounting Bracket Inspection Procedure
    • Removing From Service
  • Fuel Tank Cover Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Tank Venting Procedure
  • Fuel Tank Cleaning
  • Fuel Tank Replacement - Front (KL8)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Tank Replacement - Rear (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Disassembly Procedure
    • Assembly Procedure
    • Installation Procedure
  • Fuel Tank Replacement - Rear (Cutaway)
    • Tools Required
    • Removal Procedure
    • Disassembly Procedure
    • Assembly Procedure
    • Installation Procedure
  • Fill Valve Access Cover Replacement (KL6)
    • Removal Procedure
    • Installation Procedure
  • Fill Valve Access Cover Replacement (KL8)
    • Removal Procedure
    • Installation Procedure
  • Fill Valve Replacement (KL6)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Valve Replacement (KL8)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Valve Filter Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Filter Replacement (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Filter Replacement (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Tank Pressure Sensor Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • High Pressure Regulator (HPR) Replacement (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • High Pressure Regulator (HPR) Replacement (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • High Pressure Regulator (HPR) Filter Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • High Pressure Lock-Off (HPL) Solenoid Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Low Pressure Lock-Off (LPL) Solenoid Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Rail Assembly Replacement (KL6)
    • Tools Required
    • Removal Procedure
    • Disassembly Procedure
    • Assembly Procedure
    • Installation Procedure
  • Fuel Rail Assembly Replacement (KL8)
    • Tools Required
    • Removal Procedure
    • Disassembly Procedure
    • Assembly Procedure
    • Installation Procedure
  • Fuel Injector Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Rail Pressure (FRP) Sensor Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Rail Temperature (FRT) Sensor Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Line Replacement (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Line Replacement (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Fuel Rail Crossover
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Low Pressure Lock-Off (LPL) to Fuel Filter (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Low Pressure Lock-Off (LPL) to Fuel Filter (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - High Pressure Lock-Off (HPL) to High Pressure Lock-Off (HPL) (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - High Pressure Lock-Off (HPL) to High Pressure Lock-Off (HPL) (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Filter to High Pressure Regulator (HPR) (Passenger/cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Filter to High Pressure Regulator (HPR) (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Line Union (Check Valve) Replacement (Passenger/Cargo )
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fill Line Union (Check Valve) Replacement (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Tee to High Pressure Lock-Off (HPL) (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Tee to High Pressure Lock-Off (HPL) (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Tee to High Pressure Regulator (HPR) (Passenger/Cargo)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Fuel Hoses/Pipes Replacement - Tee to High Pressure Regulator (HPR) (Cutaway)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
• Description and Operation
  • Powertrain Control Module (PCM) Description
    • Powertrain Control Module (PCM)
  • Fuel Injector Control Module Description
    • Notes
    • Fuel Mode Operation (KL6 and KL8)
      • Notes
      • KL6 Operation
    • Communication Circuits
      • FRP and FRT Sensor PWM Circuits (w/o JL4)
      • FRT Sensor PWM Circuit (JL4)
      • FICM Diagnostic Circuit
  • Fuel System Description
    • Powertrain Control Module (PCM)
    • Fuel Injector Control Module (FICM)
    • Fuel Supply Components
    • Fuel Tanks
    • Fill Valve and Fill Line
    • High Pressure Lock-Off (HPL) Solenoids
    • Fuel Tank Pressure (FTP) Sensor
    • Fuel Tank Temperature (FTT) Sensor
    • Fuel Lines
      • Notes
      • High Pressure Line
      • Intermediate Pressure Fuel Hose
    • In-line Fuel Filter
    • Low Pressure Lock-Off (LPL)
    • Fuel Rail
    • Fuel Metering Components
      • Notes
      • High Pressure Regulator (HPR)
      • Gaseous Fuel Injectors
      • Fuel Rail Pressure Sensor (w/o JL4)
      • Fuel Rail Pressure Sensor (JL4)
      • Fuel Rail Temperature Sensor
    • Bi-Fuel (KL6) CNG System Operation
      • Notes
      • 60 Day Cycle
        • Notes
        • Fuel Indicator Lamp (FIL)
    • Fuel Gage Operation
      • Notes
      • Bi-Fuel (KL6) Fuel Gage Operation
    • Dedicated CNG (KL8) Fuel System Operation
• Special Tools and Equipment
  • Special Tools