Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Powertrain Control Module (Pcm)
  • Input Devices
    • Notes
    • A/C Switch (All Models)
    • Battery Temperature Sensor (All Models)
    • Battery Voltage (All Models)
    • Brake Switch (All Models)
    • Camshaft Position (CMP) Sensor (All Models)
    • Crankshaft Position (CKP) Sensor (All Models)
    • Cruise Control Switch (All Models)
    • Engine Coolant Temperature (ECT) Sensor (All Models)
    • Fuel Level Sensor (All Models)
    • Heated Oxygen Sensor (All Models)
    • Ignition Switch (All Models)
    • Intake Air Temperature Sensor (All Models)
    • Manifold Absolute Pressure Sensor (All Models)
    • Oil Pressure Sensor (All Models)
    • Output Speed Sensor (All Models)
    • Park/Neutral (P/N) Switch (A/T Models)
    • Power Steering Pressure (PSP) Switch (2.5L & 4.7L)
    • Rear Anti-Lock Brake System Wheel Speed Sensor (All Models)
    • Serial Communication Interface (SCI) Receive (All Models)
    • Throttle Position Sensor (All Models)
    • Transmission Governor Pressure Sensor (A/T Models)
    • Transmission Overdrive/Override (OD/OR) Switch (A/T Models)
    • Transmission Temperature Sensor (A/T Models)
  • Output Signals
    • Notes
    • A/C Clutch Relay
    • Auto Shutdown (ASD) Relay
    • Distributorless Ignition System (DIS)
    • Evaporative Canister Purge Control Solenoid (EVAP-CPCS)
    • Fuel Injectors
    • Fuel Pump Relay
    • Generator
    • Idle Air Control (IAC) Motor
    • Ignition Coil
    • In-Tank Fuel Pump
    • Limp-In Mode
    • Malfunction Indicator Light (MIL)
    • Radiator Fan Relay
    • Serial Communications Interface (SCI) Transmit
    • Shift Indicator Light
    • Speed Control Servo
    • Tachometer
    • Torque Converter Clutch (TCC) Solenoid
    • Transmission Governor Pressure Solenoid
    • Transmission Overdrive/Override (OD/OR) Switch Indicator Light
    • Transmission Overdrive (OD) Solenoid
• Fuel System
  • Fuel Delivery
    • Auto Shutdown (ASD) Relay
    • Fuel Pressure Regulator
    • In-Tank Fuel Pump
  • Fuel Control
    • Fuel Injectors
    • Modes Of Operation
    • Sequential Fuel Injection (SFI)
  • Idle Speed
    • Notes
    • Idle Air Control (IAC) Motor
• Ignition System
  • Notes
  • DISTRIBUTORLESS Ignition System (Dis)
    • Ram Pickup 8.0L
  • Hall Effect Ignition System
    • Except Ram Pickup 8.0L
• Emission Systems
  • Notes
  • Air Injection System
    • 5.9L & 8.0L Heavy Duty Cycle (HDC)
  • Crankcase Ventilation (CCV) System
    • 8.0L
  • Evaporative (EVAP) Emissions System
    • Notes
    • Evaporative Canister Purge Control Solenoid (EVAP-CPCS)
  • Positive Crankcase Ventilation (PCV)
• Self-Diagnostic System
  • Notes
  • CCD Bus
  • Malfunction Indicator Light
  • PCI Bus System
  • Serial Communications Interface (Sci)
• Miscellaneous Controls
  • Notes
  • A/C Clutch Relay
    • All Models
  • Auto Shutdown (ASD) Relay & Fuel Pump Relay
    • All Models
  • Generator
    • All Models
  • Limp-In Mode
    • All Models
  • Radiator Fan Relay
    • Dakota & Durango M/T Models
  • Shift Indicator Light
    • Dakota & Durango
  • Speed Control Servo
  • Tachometer
  • Torque Converter Clutch (TCC) Solenoid
  • Transmission Governor Solenoid
  • Transmission Overdrive/Override (Od/Or) Switch Indicator Light
  • Transmission Overdrive (Od) Solenoid