Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Notes
  • Powertrain Control Module (Pcm)
  • BMW MODIC Diagnostic Tester
    • Notes
    • BMW Diagnostic Concept
    • Start Of Diagnosis
    • Vehicle Identification
    • Fault Symptom Selection
    • Test Schedule
    • Test Information
    • Measurement System
    • Expert Mode Troubleshooting
    • Control Unit Functions
    • Basic Troubleshooting (BMW Diagnostic System)
  • MOTRONIC M5.2.1 Engine Management System
    • 7-Series V12
  • MOTRONIC Me 7.2 Engine Management System
    • X5 & 7-Series V8
    • Integral Electric Throttle System (EML) Functional Description
    • PWG Signal Monitoring & PWG Failsafe Operation
    • EDK Feedback Signal Monitoring & EDK Failsafe Operation
  • Siemens Engine Management System
    • Operation
    • Ignition System
    • Motor Driven Throttle Valve
    • MDK Emergency Operation
    • Electronic Throttle Control (EDR) S62 Engine
    • Idle Control System (ZWD 5) S62 Engine
  • Input Devices (All Systems)
    • Notes
    • Malfunction Indicator Light (MIL)
    • Fuel Injectors
    • Fuel Tank Vent (Evaporation) Control
    • Fuel Pump Relay
    • Idle Speed Actuator
    • Ignition Timing & Anti-Knock Function
    • Ignition Timing Control
    • Kickdown Prevention
  • Input Devices (MOTRONIC)
    • Notes
    • Accelerator Pedal Sensor (PWG)
    • Brake Light Switch
    • Camshaft Position Sensors
    • Cruise Control Data Signal
    • EDK Throttle Position Feedback Signals
    • Electronic Throttle Valve (EDK) Control
    • Hot Film Air Mass Sensor
    • Integrated Ambient Barometric Pressure Sensor
    • Radiator Outlet Temp Sensor
    • DSC III - Road Speed Signal
  • Input Devices (Siemens System)
    • Notes
    • Camshaft Sensors
    • Camshaft Position Sensors
    • Catalytic Converter Temperature Monitoring
    • Crankshaft Sensor
    • Crankshaft Position Sensor
    • Engine Coolant Temperature Sensor
    • Hot Film Air Mass Sensor
    • Intake Air Temperature
    • Integrated Ambient Barometric Pressure Sensor
    • Knock Sensors
    • Mass Air Flow Sensor
    • Misfire Detection
    • Oil Temperature/Level Sensor
    • Oxygen Sensors
    • Power Transmission Switch
    • Throttle Progression Switch
  • Output Signals (MOTRONIC)
    • Notes
    • Fuel Pump Relay Control
    • "E" Box Fan Control
    • Secondary Air Injection
    • Electronic Throttle Valve (EDK) Control
    • Auxiliary Fan Control
  • Output Signals (Siemens System)
    • Notes
    • Auxiliary Fan Control
    • Electric Fan
    • "E" Box Fan Control
    • Engine/Vehicle Speed Limitation
    • Fuel Circuit Changeover
    • Fuel Injectors
    • Injector Control
    • Fuel Pump Module
    • Idle Control Valve
    • Ignition Coil Triggering
    • Main Relay Control
    • Non Return Fuel Rail System
    • Oil Sump Changeover Valves
    • Oxygen Sensor Heating
    • Purge Control Valve
    • Resonance/Turbulence Intake System
    • RZV Ignition System
    • Secondary Air Injection
• Fuel System
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Master Relay (DME Relay)
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Pump
    • Fuel Pressure Regulator
    • Running Losses
    • Fuel Injection
    • Cold Start Control
    • Speed Limitation
    • Deceleration Fuel Cut-Out
    • Catalytic Converter Protection
    • Throttle Angle Influence On Injector Open Time
    • Oxygen Sensor Signal Influence On Injector Open Time
    • Post Catalytic Converter Sensor Signal
    • Oxygen Sensor Heater Relay & Heating Resistor
  • Idle Speed
    • Idle Speed Control Valve
• Ignition Systems
  • Ignition Timing Control (Stationary & Rotary Systems)
  • Ignition Timing Control (Siemens)
  • Direct Ignition System (Dis)
    • Ignition Timing Control & Anti-Knock Function (6-Cylinder & V8)
    • Catalytic Converter Protection Function
• Emission Systems
  • Leak Diagnosis Test Preconditions (X5)
  • Diagnosis Module - Tank Leakage (M5 & X5)
    • Notes
    • Function
    • DC Motor LDP Inactive - Normal Purge Valve Operation
  • Leakage Diagnosis Pump (LDP)
  • Evaporative Systems Monitoring (LDP System)
  • Fuel Tank
  • Fuel Tank Vent (Evaporation) Control
• Self-Diagnostic System
  • Self-Diagnostic Feature
    • Notes
    • Malfunction Indicator Light (MIL)
• Miscellaneous Controls
  • Notes
  • Resonance System
  • Idle Speed Control
  • Intake Airflow Control
  • Variable Valve Timing System (VANOS)