Self Diagnosis - Theory & Operation (N63 ACTIVEHYBRID)

• Catalyst Monitoring
  • Notes
  • 1.1.1 Diagnostic Overview
  • 1.1.2 Monitoring Function
  • 1.1.3 Validation of the Calculated Sensor Signals
• Heated Catalyst Monitoring
• Misfire Monitoring
  • Notes
  • 1.3.1 Monitoring Function
  • 1.3.2 Statistics, Fault Processing
• Evaporative Emissions System
  • 1.4.1 Evaporative Purge System - Canister Purge Valve
    • Notes
    • 1.4.1.1 Diagnosis of Canister Purge Valve under Driving Conditions
  • 1.4.2 EVAP System Leak Measurement (Module DMTL)
    • Notes
    • 1.4.2.1 Monitoring Function - Leak Detection
    • 1.4.2.2 Diagnosis Frequency and MIL Illumination
  • 1.4.3 EVAP Tank Shut-Off Valve
    • Notes
    • 1.4.3.1 Monitoring Function
  • 1.4.4 EVAP Pressure Sensor
    • Notes
    • 1.4.4.1 Monitoring Function
  • 1.4.5 EVAP Pump Current (Comprehensive Component, Appendant to EVAP)
    • 1.4.5.1 Monitoring Function - Pump Current Diagnosis
• Secondary Air System Monitoring
• Fuel System Monitoring
  • 1.6.1 Lambda Adaptation
    • Notes
    • 1.6.1.1 Monitoring Function
    • 1.6.1.2 Similar Conditions Function
  • 1.6.2 Trim Control Plausibility Monitoring
    • Notes
    • 1.6.2.1 Monitoring Function
  • 1.6.3 High Pressure Fuel Control System
    • 1.6.3.1 Monitoring Function - High Pressure System
    • 1.6.3.2 Monitoring Function - Pressure Range Test
  • 1.6.4 Fuel Regulators/Valves/Sensors (Comprehensive Component, Appendant to Fuel System)
    • 1.6.4.1 Monitoring Function
    • 1.6.4.2 Fuel Rail Pressure Sensor Electrical Test
      • Notes
      • 1.6.4.2.1 Monitoring Overview
    • 1.6.4.3 Volume Control Valve Electrical Test
      • Notes
      • 1.6.4.3.1 Monitoring Function
    • 1.6.4.4 Volume Control Valve Relay Output Electrical Test
      • Notes
      • 1.6.4.4.1 Monitoring Function
  • 1.6.5 Injection Deactivation
    • Notes
    • 1.6.5.1 Monitoring Function
  • 1.6.6 Fuel Level Sensor (Comprehensive Component, Appendant to Fuel System)
    • 1.6.6.1 Monitoring Overview
    • 1.6.6.2 Fuel Level Sensor Electrical Circuit Continuity Test
      • Notes
      • 1.6.6.2.1 Monitoring Function
      • 1.6.6.2.2 FLS Diagnosis Frequency of FLS Circuit Continuity Test
    • 1.6.6.3 Fuel Level Sensor Signal Correlation Test
      • Notes
      • 1.6.6.3.1 Monitoring Function
      • 1.6.6.3.2 FLS Diagnosis Frequency of FLS Correlation Test
• Oxygen Sensor Monitoring Linear Upstream/Binary Downstream
  • 1.7.2 Upstream Oxygen Sensor Monitoring (Linear) - Slow Response
    • 1.7.2.1 Upstream Oxygen Sensor - Signal Dynamic Monitoring Slow Response
      • Notes
      • 1.7.2.1.1 Diagnosis Results
      • 1.7.2.1.2 Diagnostic Principle
    • 1.7.2.2 Upstream Oxygen Sensor - Short Circuit Monitoring
      • Notes
      • 1.7.2.2.1 Monitoring Function
    • 1.7.2.3 Upstream Oxygen Sensor - Open Circuit Monitoring
      • Notes
      • 1.7.2.3.1 Monitoring Function
    • 1.7.2.4 Upstream Oxygen Sensor - Signal Controller Monitoring
      • Notes
      • 1.7.2.4.1 Monitoring Function
    • 1.7.2.5 Upstream Oxygen Sensor - Signal Activity Test
      • Notes
      • 1.7.2.5.1 Monitoring Function
    • 1.7.2.6 Upstream Oxygen Sensor - Interchanged Sensors Test
      • Notes
      • 1.7.2.6.1 Monitoring Description
    • 1.7.2.7 Upstream Oxygen Sensor - Active Signal Test Shift to Lean/Rich)
      • Notes
      • 1.7.2.7.1 Monitoring Description
    • 1.7.2.8 Upstream Oxygen Sensor - Signal Dynamic Monitoring (Slow Response)
      • Notes
      • 1.7.2.8.1 Monitoring Function
    • 1.7.2.9 Upstream Oxygen Sensor - Signal Monitoring during DFCO
      • Notes
      • 1.7.2.9.1 Monitoring Function
    • 1.7.2.10 Upstream Oxygen Sensor - Heater Monitoring
      • Notes
      • 1.7.2.10.1 Diagnostic Overview
      • 1.7.2.10.2 Monitoring Function
    • 1.7.2.11 Upstream Oxygen Sensor - Heater Circuit Monitoring
      • Notes
      • 1.7.2.11.1 Monitoring Function
  • 1.7.4 Downstream Oxygen Sensor Monitoring (Binary) - Slow Dynamic Lean to Rich
    • 1.7.4.1 Downstream Oxygen Sensor - Signal Dynamic Monitoring Slow Response
      • Notes
      • 1.7.4.1.1 Diagnosis Result
      • 1.7.4.1.2 Diagnostic Principle
    • 1.7.4.2 Downstream Oxygen Sensor - Circuit Monitoring
      • Notes
      • 1.7.4.2.1 Monitoring Function
    • 1.7.4.3 Downstream Oxygen Sensor - Signal Dynamic Test during DFCO
      • Notes
      • 1.7.4.3.1 Monitoring Function
    • 1.7.4.4 Dynamic/Transition Time in Sensor Midpoint Range Monitoring
      • Notes
      • 1.7.4.4.1 Monitoring Function
    • 1.7.4.5 Downstream Oxygen Sensor - Signal Activity Test
      • Notes
      • 1.7.4.5.1 Monitoring Function
    • 1.7.4.6 Downstream Oxygen Sensor - Signal Check (Stuck Lean/Rich, Swap)
      • Notes
      • 1.7.4.6.1 Monitoring Function
    • 1.7.4.7 Downstream Oxygen Sensor - Heater Plausibility Monitoring
      • Notes
      • 1.7.4.7.1 Monitoring Function
    • 1.7.4.8 Downstream Oxygen Sensor - Heater Circuit Monitoring
      • Notes
      • 1.7.4.8.1 Monitoring Function
• Exhaust Gas RECIRCULATION (EGR) System Monitoring
• Positive Crankcase Ventilation System
• Engine Cooling System Monitoring
  • 1.10.1 Thermostat Monitoring
    • Notes
    • 1.10.1.1 Monitoring Function
  • 1.10.2 Engine Coolant Temperature Monitoring
    • 1.10.2.1 Engine Coolant Temperature Electrical Test
      • Notes
      • 1.10.2.1.1 Monitoring Function
    • 1.10.2.2 Engine Coolant Temperature Gradient Diagnosis
      • Notes
      • 1.10.2.2.1 Monitoring Function
    • 1.10.2.3 Engine Coolant Temperature Stuck Diagnosis
      • Notes
      • 1.10.2.3.1 Monitoring Function
    • 1.10.2.4 Engine Coolant Temperature Stuck in Range Diagnosis
      • Notes
      • 1.10.2.4.1 Monitoring Function
  • 1.10.3 Engine Off-Timer Monitoring
    • Notes
    • 1.10.3.1 General Description
    • 1.10.3.2 Error Symptoms
• Cold Start Emission Reduction Strategy Monitoring
• Air Conditioning (A/C) System Component Monitoring
• Camshaft And Crankshaft Sensor Including Valve Timing
  • 1.13.1 Camshaft Sensor
    • 1.13.1.1 Variable Camshaft Timing (Vanos) (Detecting a Mechanical IVVT Error)
      • Notes
      • 1.13.1.1.1 Control Deviation of the Camshaft Position Controller: ("target + slow response")
    • 1.13.1.2 Camshaft Position Sensor
      • 1.13.1.2.1 Monitoring Overview
      • 1.13.1.2.2 Monitoring Function
    • 1.13.1.3 Signal Plausibility Diagnosis
      • Notes
      • 1.13.1.3.1 Monitoring Overview
    • 1.13.1.4 Monitoring Function - Period Length Diagnosis
      • Notes
      • 1.13.1.4.1 Monitoring Overview
    • 1.13.1.5 Monitoring Function - Synchronization State Diagnosis
      • Notes
      • 1.13.1.5.1 Monitoring Overview
  • 1.13.2 Crankshaft/Camshaft
    • 1.13.2.1 Monitoring Function - Crankshaft Camshaft Synchronization
    • 1.13.2.2 Monitoring Function - Mechanical Reference Position Diagnosis
    • 1.13.2.3 Monitoring Function - Mechanical Chain Jump Diagnosis
  • 1.13.3 Crankshaft Position Sensor
    • Notes
    • 1.13.3.1 Diagnostic Overview
    • 1.13.3.2 Monitoring Function - Missing CKP Sensor Signal
      • Notes
      • 1.13.3.2.1 Monitoring Overview
    • 1.13.3.3 Monitoring Function - No Plausible Crankshaft Signal
      • Notes
      • 1.13.3.3.1 Monitoring Overview
    • 1.13.3.4 Monitoring Function - Wrong Tooth Number
      • Notes
      • 1.13.3.4.1 Monitoring Overview
    • 1.13.3.5 Monitoring Function - Synchronization Error
      • Notes
      • 1.13.3.5.1 Monitoring Overview
    • 1.13.3.6 Monitoring Function - Tooth Period
• Direct Ozone Reduction System Monitoring
• Comprehensive Component Monitoring OBD II Siemens VDO Function Definition
  • 1.15.1 Strategy
    • Notes
    • 1.15.1.1 Monitoring Strategy for Sensors
    • 1.15.1.2 Monitoring Strategy for Actuators
    • 1.15.1.3 Rationality Test
  • 1.15.2 Ambient Air Temperature Monitoring
    • 1.15.2.1 CAN-Based Ambient Air Temperature Signal Diagnosis
      • Notes
      • 1.15.2.1.1 Monitoring Function
    • 1.15.2.2 Ambient Air Temperature Signal Plausibility Test
      • Notes
      • 1.15.2.2.1 Monitoring Function
  • 1.15.3 Intake Air Temperature Monitoring
    • 1.15.3.1 Intake Air Temperature Sensor Plausibility Diagnosis
      • Notes
      • 1.15.3.1.1 Monitoring Function
    • 1.15.3.2 Intake Air Temperature Sensor Electrical Test
      • Notes
      • 1.15.3.2.1 Monitoring Function
  • 1.15.4 Charge Air Cooler Temperature Sensor Monitoring
    • 1.15.4.1 Charge Air Cooler Temperature Plausibility Diagnosis
      • Notes
      • 1.15.4.1.1 Monitoring Function
    • 1.15.4.2 Charge Air Cooler Temperature Gradient Diagnosis
      • Notes
      • 1.15.4.2.1 Monitoring Function
    • 1.15.4.3 Charge Air Cooler Temperature Sensor Electrical Test
      • Notes
      • 1.15.4.3.1 Monitoring Function
  • 1.15.5 Electronic Throttle Control Monitor
    • 1.15.5.1 Electronic Throttle Control Power Stage Diagnosis (H-bridge)
      • Notes
      • 1.15.5.1.1 Monitoring Function
    • 1.15.5.2 Electronic Throttle Control Motor Control Performance
      • Notes
      • 1.15.5.2.1 Monitoring Function
    • 1.15.5.3 Electronic Throttle Control Composite Error
      • Notes
      • 1.15.5.3.1 Monitoring Function
    • 1.15.5.4 Electronic Throttle Control Adaptation and Start Test
      • 1.15.5.4.1 Monitoring Function - Electronic Throttle Control Adaptation Diagnosis
      • 1.15.5.4.2 Monitoring Function - Electronic Throttle Control Start Test
      • 1.15.5.4.3 Adaptation Function
      • 1.15.5.4.4 Start Check Function
    • 1.15.5.5 Throttle Position Sensor Plausibility Test
      • Notes
      • 1.15.5.5.1 Monitoring Function
    • 1.15.5.6 Throttle Position Sensor Ratio Test
      • Notes
      • 1.15.5.6.1 Monitoring Function
    • 1.15.5.7 Throttle Position Sensor Electrical Test
      • Notes
      • 1.15.5.7.1 Monitoring Function
    • 1.15.5.8 Pedal Position Sensor
      • 1.15.5.8.1 Monitoring Function - Supply Voltage Monitoring
      • 1.15.5.8.2 Monitoring Function - Double Error
  • 1.15.6 Mass Air Flow and Manifold Absolute Pressure
    • 1.15.6.1 Mass Air Flow and Manifold Absolute Pressure Plausibility Diagnosis
      • Notes
      • 1.15.6.1.1 Monitoring Function
    • 1.15.6.2 Ambient Pressure, Boost Pressure, and Manifold Absolute Pressure
      • Notes
      • 1.15.6.2.1 Monitoring Function
  • 1.15.7 Manifold Absolute Pressure Sensor Monitoring
    • 1.15.7.1 Manifold Absolute Pressure Sensor Electrical Test
      • Notes
      • 1.15.7.1.1 Monitoring Function
  • 1.15.8 Mass Air Flow Sensor Monitoring
    • 1.15.8.1 Mass Air Flow Sensor Internal Error Diagnosis
      • Notes
      • 1.15.8.1.1 Monitoring Function
    • 1.15.8.2 Temperature Sensor Diagnosis Electrical Test
      • Notes
      • 1.15.8.2.1 Monitoring Function
    • 1.15.8.3 Temperature Sensor Diagnosis Range Test
      • Notes
      • 1.15.8.3.1 Monitoring Function
    • 1.15.8.4 Mass Air Flow Sensor Diagnosis Electrical Test
      • Notes
      • 1.15.8.4.1 Monitoring Function
    • 1.15.8.5 Mass Air Flow Sensor Diagnosis Range Test
      • Notes
      • 1.15.8.5.1 Monitoring Function
  • 1.15.9 Vehicle Speed Signal
    • 1.15.9.1 Vehicle Speed Sensor Signal Plausibility Test
      • Notes
      • 1.15.9.1.1 Monitoring Function
    • 1.15.9.2 Vehicle Speed Sensor Signal Test
      • Notes
      • 1.15.9.2.1 Monitoring Function
  • 1.15.10 Knock Sensor
    • Notes
    • 1.15.10.1 Monitoring Function
  • 1.15.11 Supercharger Boost Sensor (Pressure Up Throttle - PUT)
    • 1.15.11.1 Supercharger Boost Sensor Electrical Test
      • Notes
      • 1.15.11.1.1 Monitoring Function
    • 1.15.11.2 Ambient Pressure Sensor Electrical Test
      • Notes
      • 1.15.11.2.1 Monitoring Function
    • 1.15.11.3 Ambient Pressure Sensor Rationality Test
      • Notes
      • 1.15.11.3.1 Monitoring Function
• Listing Of All ECM Input And Output Signals
• Location Of The Data Link Connector
• Drawing And Location Of The Malfunction Indicator Light For The Following Model
• Acronyms List