Engine Controls - System/Component Tests - 6.5L

• Model Identification
  • Notes
  • Terminology
• Introduction
• Air Induction Systems
  • Turbocharger
• Computerized Engine Controls
  • Control Unit
    • Notes
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches
  • A/C On Switch/System Test
  • Brake Switch
  • Engine Coolant Temperature (ECT) Sensor
  • Intake Air Temperature (IAT) Sensor
  • Knock Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Oxygen Sensor (O2S)
  • Oxygen Sensor Heating Element
  • Throttle Position (TP) Sensor
  • Transmission Range Switch
  • Vehicle Speed Sensor (Pm Generator)
• Relays, Solenoids, Motors & Modules
  • Relays
    • A/C Relays
    • Fuel Pump Relay
  • Solenoids
    • Notes
    • Electronic Air Control (EAC) Solenoid
    • EGR Control Solenoid
    • Torque Converter Clutch (TCC) Solenoid
• Fuel System
  • Notes
  • Normal Glow Plug Circuit Operation
    • A normal functioning system should operate as follows:
  • Preliminary Glow Plug Diagnosis
  • Inhibit Switch (Black Cap)
  • Glow Plug System Diagnosis
    • Electrical Check
  • Glow Plug Controller
  • Injection Pump Housing Leakage Test
  • Injectors
    • Test Preparation
    • Opening Pressure Test
    • Leakage Test
    • Chatter Test
    • Spray Pattern Test
• Ignition System
  • Notes
  • Timing Control Systems (C-4 & C-5)
    • C-5, Knock Sensor Circuit (Models Using External Spark Controller Module)
    • C-5, Knock Sensor Circuit (Models Using Knock Sensor With Internal Spark Controller Module)
• Emission Systems & Sub-Systems
  • Positive Crankcase Ventilation
    • Crankcase Depression Regulator (CDR)
  • Exhaust Gas RECIRCULATION (EGR)
    • EGR Valve Check
  • Vacuum Pump
• Miscellaneous ECM/Pcm/VCM Controls
  • Notes
  • Transmission (C-8)
    • Torque Converter Clutch (TCC) Solenoid
    • Converter Lock-Up Signal At Transmission
    • Converter Lock-Up Signal From ECM/PCM/VCM
    • Shift Light (Manual Transmission)
  • A/C Clutch (C-10) & Electric Cooling Fan (C-12)
  • A/C Clutch (C-10)
    • A/C Clutch Relay
  • Cooling Fan (C-12)
    • Notes
    • Cooling Fan Relay
    • Cooling Fan Motor
• Diagnostic Charts
  • Notes
  • A/C Request Signal Circuit Diagnosis
  • Auxiliary Cooling Fan Circuit Diagnosis
• Component Locations
• Wiring Diagrams
  • "C" & "K" Series Pickup, & Sierra - VIN F & P With M/T
  • "C" & "K" Series Pickup, & Sierra - VIN P With 4L60-E
  • C/K Pickup, Sierra, Suburban, TAHOE & YUKON - VIN F & S W/4L80-E
  • "P" Series - VIN F
  • "P" Series - VIN Y A/T
  • Van - VIN P