Engine Management - Theory & Operation

• Introduction
  • Notes
  • Inputs & Outputs
• Mode $06 Data
  • Diagnostic Instructions
• OBD Drive Cycle Information
  • Notes
  • Drive Cycle A
  • Drive Cycle B
  • Drive Cycle C
  • Drive Cycle D
  • Drive Cycle E
  • Drive Cycle F
• On Board Monitoring
  • Catalyst Monitoring
    • Catalyst Monitoring Description
    • Catalyst Monitoring Structure
    • Monitoring Cycle
      • Computation Of The Downstream Oxygen Sensor Signal Amplitudes
      • Modeling Of A Borderline Catalyst & The Downstream Oxygen Sensor Signal Amplitudes
      • Signal Evaluation
      • Fault Processing
      • Function Enable Criteria
    • Block Diagram Of System Operation
    • Catalyst Monitoring Operation
    • Catalyst Monitoring Drive Cycle Information
  • Misfire Monitoring
    • Misfire Monitoring Description
    • Misfire Monitoring Structure
    • Misfire Monitoring Cycle
      • Data Acquisition
      • Sensor Wheel Adaptation
      • Misfire Detection
      • Calculation Of The Engine Roughness
      • Detecting Of Multiple Misfiring
      • Calculation Of The Engine Roughness Threshold Value
      • Determination Of Misfiring
      • Statistics, Fault Processing
    • Fault Processing For Emissions Relevant Misfire
    • Misfire Monitoring Operation
    • Misfire Monitoring Drive Cycle Information
  • Secondary Air Injection System Monitoring
    • Secondary Air Injection System Description
    • Secondary Air Injection System Monitoring Structure
    • Secondary Air Injection System Monitoring Operation
    • Secondary Air Injection System Drive Cycle Information
  • Evaporative Emission System Leak Measurement
    • Leak Measurement Description
    • EVAP System Leak Measurement Monitoring Structure
    • EVAP System Diagnosis Frequency & MIL illumination
    • Description Of EVAP Canister Purge System Flow Check
    • EVAP Canister Purge System Monitoring Structure
    • Monitoring Cycle Of Evaporative Emission Canister Purge System Flow Check
      • Step 1 - For Rich Or Lean Mixture
      • Step 2 - For A Stoichiometric Mixture
    • Fuel Evaporative Emission System Monitoring
    • EVAP System Drive Cycle Information
  • Fuel System Monitoring
    • Fuel System Monitoring Description
      • Mixture Primary Control
      • Lambda-Control
      • Adaptive Primary Control
      • Ranges Of Learning Correction Coefficients tra & fra
      • Abbreviations For The Fuel Delivery System
      • Diagnosis Of Fuel Delivery System
    • Fuel System Monitoring Structure
    • Fuel System Monitoring & Enabling Conditions
    • Fuel System Drive Cycle Information
  • Oxygen Sensor Monitoring
    • Oxygen Sensor Monitoring Description
    • Oxygen Sensor Monitoring Structure
    • Diagnosis Procedure Of The Monitor Sensor (Downstream)
    • Oxygen Sensor Heater Monitoring Description
    • Oxygen Sensor Heater Monitoring Structure
    • Oxygen Sensor Circuit Monitoring
    • Oxygen Sensor Monitoring Drive Cycle Information
  • Thermostat Monitoring
    • Thermostat Monitoring Description
    • Thermostat Monitoring Structure
    • Thermostat Circuit Monitoring
    • Thermostat Drive Cycle Information
  • Positive Crankcase Ventilation (PCV) System Monitoring
    • PCV System Description
    • PCV Monitoring Strategy Description
    • PCV Monitoring Drive Cycle Information
  • Crankshaft Speed & Position Sensor
    • Crankshaft Speed & Position Sensor Description
    • Crankshaft Speed & Position Sensor Drive Cycle Information
  • Camshaft Position Control Interface (VANOS)
    • Camshaft Position Control Interface (VANOS) Description
    • Camshaft Position Control Interface Drive Cycle Information
  • Engine Coolant Temperature Sensor
    • Engine Coolant Temperature Sensor Description
    • Engine Coolant Temperature Drive Cycle Information
  • Mass Airflow Sensor & Intake Air Temperature Sensor
    • Mass Airflow Sensor Description
    • Mass Airflow Sensor Drive Cycle Information
  • Intake Air Temperature Sensor
    • Intake Air Temperature Interface Description
    • Intake Air Temperature Sensor Drive Cycle Information
  • Knock Sensor
    • Knock Sensor Interface Description
    • Knock Sensor Drive Cycle Information
  • Fuel Tank Level Sensor
    • Fuel Tank Level Sensor Description
    • Fuel Tank Level Sensor Drive Cycle Information
  • Throttle Position Sensor
    • Throttle Position Sensor Description
    • Throttle Position Sensor Drive Cycle Information
  • Engine Control Module Self Test
    • Engine Control Module Self Test Description
    • Engine Control Module Self Test Drive Cycle Information
  • Ambient Air Temperature Interface
    • Ambient Air Temperature Interface Description
    • Ambient Air Temperature Drive Cycle Information
  • Vehicle Speed Interface
    • Vehicle Speed Interface Description
    • Vehicle Speed Interface Monitoring Drive Cycle Information
  • Transfer Box Control Module Interface
    • Transfer Box Control Module Interface Description
    • Transfer Box Control Module Interface Drive Cycle Information
  • Can System
    • CAN System Description
    • CAN System Drive Cycle Information
  • Fuel Injectors
    • Fuel Injectors Description
    • Fuel Injectors Monitoring Drive Cycle information
  • Idle Speed Control Actuator
    • Idle Speed Control Actuator Description
    • Idle Speed Control Actuator Drive Cycle Information
  • Electronic Throttle Interface
    • Electronic Throttle Interface Description
    • Electronic Throttle Interface Drive Cycle Information