Engine Controls - Basic Testing - 4.0L
- Introduction
- Computerized Engine Controls
- Powertrain Control Module (Pcm)
- Input Devices
- Notes
- A/C Pressure Switch & Evaporator Switch
- Generator
- Automatic Shutdown (ASD) Relay Input Signal
- Battery Voltage Signal
- Brake Switch
- Camshaft Position (CMP) Sensor
- Crankshaft Position (CKP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Heated Oxygen Sensor (HO2S)
- Ignition Circuit
- Intake Air Temperature (IAT) Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Park/Neutral Switch
- Power Steering Pressure Switch
- Serial Communications Interface (SCI) Receive
- Cruise Control Switches
- Throttle Position (TP) Sensor
- Vehicle Speed Sensor (VSS)
- Vehicle Theft Alarm (Grand Cherokee)
- Output Signals
- Notes
- A/C Compressor Clutch Relay
- Generator Light
- Automatic Shutdown (ASD) Relay
- Cruise Control Servo
- EGR Valve Control Solenoid
- Evaporative Emission System
- Fuel Injectors
- Fuel Pump Relay
- Idle Air Control (IAC) Motor
- Ignition Coil
- Injection Timing
- Malfunction Indicator Light (MIL)
- Radiator Cooling Fan Relay
- Serial Communication Interface (SCI) Transmit
- Upshift Indicator Light (M/T)
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Controls
- Wiring Diagrams