Section 20 (Engine Controls - System & Component Testing - 6.6L)

• Introduction
• Component Locations
• Computerized Engine Controls
  • Notes
  • Engine Control Module & Fuel Injector Control Module
    • Notes
    • Ground Circuits
    • Power Circuits
    • ECM/FICM Harness Resistance
• Sensors & Switches
  • Notes
  • Accelerator Pedal Position Sensor
  • Boost Sensor
  • Camshaft Position Sensor
  • Crankshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Fuel Rail Pressure Sensor
  • Intake Air Temperature Sensor
  • Transmission Range Switch
  • Vehicle Speed Sensor
• Modules, Motors, Relays & Solenoids
  • Notes
  • A/C Compressor Clutch Relay
  • Ignition Relay
    • Notes
    • Description
    • Diagnostic Procedures
  • Torque Converter Clutch Solenoid
• Fuel Systems
  • Contaminants In Fuel Diagnosis
    • Description
  • Fuel Heater Inoperative
    • Notes
    • Description
    • Test Description
    • Diagnostic Procedures
  • Fuel Heater Always On
    • Notes
    • Description
    • Test Description
    • Diagnostic Procedures
  • Fuel Injector Balance Test With Tech 2
    • Notes
    • Description
    • Test Description
    • Diagnostic Procedures
  • Fuel Specific Gravity Test
    • Description
    • Diagnostic Procedures
  • Fuel System Cleaning
    • Cleaning Water From Fuel System
    • Cleaning Gasoline From Fuel System
  • Fuel Tank Leak Test
    • Description
    • Diagnostic Procedures
  • Glow Plug System Diagnosis
    • Notes
    • Description
    • Diagnostic Aids
    • Test Description
    • Diagnostic Procedures
• Idle Control System
• Emission Systems & Sub-Systems
  • Notes
  • Exhaust Gas RECIRCULATION
• Miscellaneous Controls
  • Notes
  • A/C Compressor Clutch Controls
  • Transmission
• Wiring Diagrams
  • Sierra 2500HD
  • Sierra 3500
  • SILVERADO 2500HD
  • SILVERADO 3500