Theory and Operation: Theory/Operation
- Introduction
- Computerized Engine Controls
- Notes
- MCU Location
- MOTRONIC Control Unit (MCU)
- Input Devices
- Notes
- A/C Switch
- Airflow Meter & Air Temperature Sensor
- Coolant Temperature Sensor or Switch
- Cranking Signal
- Cylinder Identification Sensor
- Engine Speed/Reference Point Sensor
- Main Relay (Battery)
- Oxygen Sensor (Lambda Signal)
- Throttle (Position) Switch
- Transmission Range Selector (A/T Only)
- Vehicle (Road) Speed Sensor
- Output Signals
- Relays
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System