Engine Controls - Theory & Operation
- Introduction
- Computerized Engine Controls
- Powertrain Control Module
- Input Devices
- Notes
- Auto Shutdown Relay
- Battery Temperature Sensor (BTS)
- Battery Voltage
- Brake Switch
- Camshaft Position Sensor (2.4L)
- Camshaft Position Sensor (3.7L)
- Crankshaft Position Sensor (2.4L)
- Crankshaft Position Sensor (3.7L)
- Engine Coolant Temperature Sensor
- Fuel Level Sensor
- Ignition Circuit Sense
- Intake Air Temperature Sensor
- Knock Sensors (3.7L)
- Manifold Absolute Pressure Sensor
- Oil Pressure Sensor
- Oxygen (O2) Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Transmission Temperature Sensor
- Vacuum Check Valve
- Vehicle Speed Sensor
- 5-Volt Supply
- Output Signals
- Notes
- A/C Clutch Relay
- Automatic Shutdown Relay
- Cruise Control Servo
- EVAP/Purge Solenoid
- Evaporative Emission System
- Fuel Injectors
- Fuel Pump Relay
- Generator Field
- Generator Light
- Idle Air Control Motor
- Ignition Coil
- Injection Timing
- Malfunction Indicator Light
- Oxygen Sensor Heater Relay
- Radiator Cooling Fan Relay
- Serial Communication Interface (SCI) Transmit
- Torque Converter Clutch
- Fuel Systems
- Ignition Systems
- Emission Systems & Sub-Systems
- Evaporative Emission System
- EVAP Canister
- EVAP Canister Purge Solenoid
- Fuel Filler Cap
- Leak Detection Pump System
- Notes
- LDP At Rest (Not Powered)
- Diaphragm Upward Movement
- Diaphragm Downward Movement
- Pumping Action
- EVAP Leak Detection Test Enabling Conditions
- Section 1 - P1495 Leak Detection Pump Solenoid Circuit
- Section 2 - P1494 Leak Detection Pump Switch Or Mechanical Fault
- Section 3 - P1486 EVAP Leak Monitor Pinched Hose Found
- Section 4 - No DTC Can Be Set During This Time
- Section 5 - DTC P0442, P0456, P0455 EVAP Leak Monitor & Leak Detected
- Diagnostic Tips
- Test Equipment
- On-Board Refueling Vapor Recovery
- Positive Crankcase Ventilation
- Pressure Relief/Rollover Valve
- Self-Diagnostic System
- Notes
- State Display Test Mode
- Circuit Actuation Test Mode
- Task Manager
- Test Sequence
- Malfunction Indicator Light
- Diagnostic Trouble Code Priority
- Trip Indicator
- Freeze Frame Data Storage
- Similar Conditions Window
- Monitors
- Non-Monitored Circuits
- High & Low Limits
- Trip Definition
- Serial Communications Interface (Sci) Transmit
- Miscellaneous Controls
- Wiring Diagrams