PCM Inputs/Outputs

Inputs - Operating Conditions Read
- Air Conditioning "ON" or "OFF".
- Engine Coolant Temperature.
- Crankshaft Position.
- Exhaust Oxygen Content.
- Electronic Ignition.
- Manifold Absolute Pressure.
- Battery Voltage.
- Throttle Position.
- Vehicle Speed.
- Fuel Pump Voltage.
- Power Steering Pressure.
- Intake Air Temperature.
- Mass Air Flow.
- Engine Knock.
- Camshaft Position.

Outputs - Systems Controlled
- Evaporative Emission (EVAP) Canister Purge.
- Exhaust Gas Recirculation (EGR).
- Ignition Control.
- Fuel Control.
- Idle Air Control.
- Electric Fuel Pump.
- Air Conditioning.
- Diagnostics:
* Malfunction Indicator Lamp (Check Engine lamp).
* Data Link Connector (DLC).
* Data Output.
- Transmission Control Module.
- Alternator Gain Control.