Section 249 (Engine Control System - Theory & Operation)
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Notes
- Powertrain Control Module
- Input Devices
- Notes
- A/C Compressor Clutch Relay
- A/C Pressure Sensor & Switch
- A/C Evaporator Temperature Sensor
- Battery Voltage
- Brake Switch Feedback
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Engine Coolant Temperature Sensor
- Generator "L" Light Circuit (Charge Indicator)
- Generator "F" Field Circuit
- Heated Oxygen Sensor
- Ignition/Crank Signal
- Intake Air Temperature Sensor
- Knock Sensor
- Mass Airflow Sensor
- Overdrive Off Indicator
- Park/Neutral Position Switch
- Power Steering Pressure Switch
- Rocker Arm Oil Pressure Switch
- RPM Reference Signal
- Throttle Position Sensor
- Vehicle Speed Sensor
- Output Signals
- Notes
- A/C Compressor Clutch
- EVAP Canister Purge Valve
- CMP Actuator Solenoid Valve
- Cooling Fan Relay
- Direct Ignition System
- Fuel Injectors
- Fuel Pump & Fuel Pump Relay
- Idle Air Control Valve
- Knock Sensor
- Malfunction Indicator Light
- Power Steering Pressure Switch
- Pressure Control Solenoid Valve (A/T)
- Park/Neutral Position Switch
- Self-Diagnostics
- Serial Data
- Shift Solenoids (Electronically-Controlled Transmission)
- Torque Converter Clutch
- Fuel Systems
- Ignition Systems
- Emission Systems & Sub-Systems
- Notes
- Catalytic Converter
- Evaporative Emission Control
- Notes
- EVAP Purge Valve Operation
- EVAP Vent Valve Operation
- EVAP Canister
- EVAP Canister Purge Valve
- EVAP Canister Vent Valve
- EVAP Pressure Switching Solenoid
- EVAP Service Port
- Fuel Tank Pressure Sensor
- Large Leak Test
- Pressure Switching Solenoid Operation
- Small Leak Test
- On-Board Refueling Vapor Recovery System
- Fill Limiter Vent Valve
- Positive Crankcase Ventilation
- Self-Diagnostic System
- Variable Valve Timing System
- Miscellaneous Controls