LEMON Manuals
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Engine Controls - Theory & Operation
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Engine Controls - Theory & Operation
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Introduction
Computerized Engine Controls
Notes
MOTRONIC Control Unit
Input Devices
Notes
Airflow Meter/Sensor
Anti-Theft System (DWA)
Camshaft Position Sensor
Crankshaft (Speed/Position Pulse) Sensor
Engine (Coolant) Temperature Sensor
Intake Air Temperature Sensor
Knock Sensor
Heated Oxygen (Sensor) Control
Throttle Position Sensor
Vehicle (Road) Speed Sensor
Output Signals
Notes
A/C Compressor Shutoff
A/C Switch & Compressor
Malfunction Indicator Light (MIL)
Fuel Injectors
Fuel Tank Vent (Evaporation) Control
Fuel Pump Relay
Idle Speed Actuator
Ignition Timing & Anti-Knock Function
Ignition Timing Control
Kickdown Prevention
Master (Main) Relay
Fuel System
Fuel Delivery
Notes
Fuel Pump
Fuel Pump Relay
Master (Main) Relay
Fuel Pressure Regulator
Fuel Control
Notes
Catalytic Converter Protection (318i & 318is)
Fuel Injectors (318i & 318is)
Oxygen Sensor Heater Relay & Heating Resistor
Idle Speed
Idle Speed Actuator
Ignition Systems
Direct Ignition System (Dis)
Ignition Timing & Anti-Knock Function
Emission Systems
Fuel Tank Vent (Evaporation) Control
Self-Diagnostic System
Self-Diagnostic Feature
Malfunction Indicator Light (Mil)
Miscellaneous Controls
Notes
A/C Compressor Clutch
A/C Compressor Shutoff
Wiring Diagrams