Engine Controls - Theory & Operation
- Introduction
- Computerized Engine Controls
- Powertrain Control Module
- Input Devices
- Notes
- Battery Voltage
- Brake Switch
- Camshaft Position Sensor
- Clutch Interlock/Upstop Switch
- Crankshaft Position Sensor
- Cruise Control Switches (Neon)
- Cruise Control Switches (PT Cruiser)
- Engine Coolant Temperature Sensor
- Fuel Level Sensor
- Heated Oxygen Sensor
- Ignition Switch
- Inlet Air Temperature Sensor
- Input Speed Sensor (A/T)
- Knock Sensor
- Manifold Absolute Pressure Sensor
- Output Speed Sensor (A/T)
- Park/Neutral Switch
- Power Steering Pressure Switch
- Sensor Return
- Serial Communication Interface Receive
- Throttle Position Sensor
- Transmission Range Sensor (A/T)
- Transmission Temperature Sensor
- Vehicle Speed Sensor (M/T)
- Output Signals
- Notes
- A/C Clutch Relay
- Auto Shutdown Relay
- Distributorless Ignition System
- Electric EGR Transducer (PT Cruiser)
- Evaporative Canister Purge Control Solenoid
- Exhaust Gas Recirculation Solenoid (PT Cruiser)
- Fuel Injectors
- Fuel Pump Module
- Fuel Pump Relay
- Idle Air Control Motor
- Leak Detection Pump
- Malfunction Indicator Light
- Manifold Tuning Valve (Neon)
- Fuel Systems
- Ignition Systems
- Emission Systems & Sub-Systems
- Evaporative Emissions System
- Exhaust Gas RECIRCULATION System
- 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 P0456, P0442, P0455 EVAP Leak Monitor & Leak Detected
- Diagnostic Tips
- Test Equipment
- On-Board Refueling Vapor Recovery
- Pressure Relief/Rollover Valve
- Positive Crankcase Ventilation
- Self-Diagnostic System
- On-Board Diagnostics
- Data Link Connector
- Programmable Communication Interface Bus System
- Serial Communications Interface
- State Display Test Mode
- Task Manager
- Test Sequence
- Malfunction Indicator Light
- Diagnostic Trouble Code Priority
- DTC Self Erasure
- Trip Indicator
- Freeze Frame Data Storage
- Similar Conditions Window
- Monitors
- Non-Monitored Circuits
- High & Low Limits
- Trip Definition
- Miscellaneous Controls