Daytona IROC R/T L4-135 2213cc 2.2L DOHC Turbo VIN A FI (1993)
Powertrain Control Module: Description and Operation
General Operation
INPUT OPERATION
The PCM determines current engine operating conditions by interpreting inputs from various sensors and switches.
Sensor Inputs
- Engine Coolant Temperature (ECT) Sensor
- Manifold Absolute Pressure (MAP) Sensor
- Throttle Position Sensor (TPS)
- Heated Oxygen Sensor (O2S)
- Vehicle Speed Sensor (VSS)
- Distributor (Hall Effect) Pick-up
- Throttle Body Temperature Sensor
Other Inputs
- A/C Request
- Brake Switch
- Park/Neutral Switch
- Speed Control System Controls
- Self Test Input (STI)
- Battery Voltage (B+)
OUTPUT OPERATION
The PCM then actuates various output devices to achieve the best compromise between power, fuel consumption, and emissions.
Outputs
- Air Conditioning Clutch (ACC) Relay
