On Board Diagnostics
- Introduction
- Diagnostic Trouble Codes
- Mode $06 Data
- Onboard Monitoring
- 4.1 Catalyst Monitoring
- 4.2 Misfire Monitoring
- 4.2.1 Description
- 4.2.2 Misfire Monitor Process Hierarchy
- 4.2.3 Strategy Description
- Introduction
- Recording segment time and position, and its manipulation
- Adjustment of crank angle tolerance
- Misfire 'signal' calculation
- Misfire judgement
- Catalyst damage judgement
- Storing adaption values in back-up memory
- Excess emissions judgement
- Monitor execution check
- Adaptive learning execution check
- Rough road and low fuel level judgement
- 4.2.4 Misfire Malfunction Criteria
- 4.2.5 Misfire Enable Criteria
- 4.3 Evaporative Emission System Monitoring
- 4.4 Secondary Air System Monitoring (Naturally Aspirated Engines)
- 4.5 Fuel System Monitoring
- 4.6 Exhaust Gas Recirculation (EGR) Monitoring
- 4.7 Oxygen Sensor Monitoring
- 4.8 Thermostat Monitoring
- 4.9 Positive Crankcase Ventilation (PCV) System Monitoring
- 4.10 Idle Speed Control
- 4.11 Crankshaft Position Sensor
- 4.12 Camshaft Position Sensors
- 4.13 Engine Coolant Temperature Sensor
- 4.14 Manifold Absolute Pressure Sensor
- 4.16 Barometric Pressure Sensor
- 4.17 Fuel Rail Pressure Sensor
- 4.18 Intake Air Temperature Sensor
- 4.19 Engine Oil Temperature Sensor
- 4.20 Fuel Rail Temperature Sensor
- 4.21 Knock Sensor
- 4.22 ECM Power Supplies
- 4.23 Engine Control Module Self Test
- 4.24 Engine Starting
- 4.25 Accelerator Pedal Position Sensor
- 4.26 Throttle Control System
- 4.27 Torque Monitoring
- 4.28 Vehicle Speed Signal
- 4.29 Fuel Injectors
- 4.30 Ignition Amplifiers/Coils
- 4.31 Variable Valve Timing
- 4.32 Supercharger Intercooler Water Pump
- 4.33 Controller Area Network System
- 4.34 Fuel Level Sensor
- 4.35 Engine Off Timer
- 4.36 Ambient Air Temperature