ECC CEC System/Tests: Description
The Electronic Concentrated Engine Control System (ECCS) is a computerized emission, ignition, and fuel control system. A single control unit monitors a variety of sensors, including the following:
- Air Conditioning Switch
- Mass Air Flow Meter
- Crankshaft Angle Sensor
- Temperature Sensor
- Detonation Sensor (Turbo Models)
- Oxygen Sensor
- Park/Neutral Switch (300ZX Turbo)
- Rear Defogger Switch (Maxima)
- Throttle Valve Switch
- Vehicle Speed Sensor (300ZX Turbo)
The computer processes information from these sensors and controls these engine functions:
- Air Injection (Maxima)
- Air Regulator Control
- EGR Operation
- Engine Idle Speed
- Fuel Injectors
- Fuel Pump Operation
- Ignition Timing and Dwell
- Mixture Ratio