LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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900 Commemorative
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Engine Controls - Theory & Operation
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Engine Controls - Theory & Operation
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Introduction
Air Induction System
Turbochargers
Computerized Engine Controls
Notes
Engine Control Module (900 Series With MOTRONIC Ignition)
Engine Control Module (900 Series With TRIONIC And 9000 Series)
Input Devices
Notes
A/C Switch
Coolant Temperature Sensor
Knock Sensor
EGR Temperature Sensor
Gear Selector Switch
Hall Effect Sensor
IAT Sensor
MAP Sensor
Mass Airflow Meter
Oxygen Sensor
Throttle Position Sensor
Vehicle Speed Sensor
Output Signals
Notes
Airflow Meter Self-Cleaning
Idle Air Control (IAC) Valve
Canister Purge Solenoid
CHECK ENGINE Light
Cold Start Injector
EGR Control Solenoid
Fuel Pump Relay
Fuel Injectors
Idle-Up Solenoid
Ignition Coil(s)
Heated Oxygen Sensor
Secondary Air Injection Pump
Self-Diagnostics
Wastegate Solenoid
Fuel System
Fuel Delivery
Notes
Fuel Pressure Regulator
Fuel Pump
Fuel Pump Relay
Fuel Control
Cold Start Injector
ECM
Fuel Injectors
Heated Oxygen Sensor
Idle Speed
Idle Air Control (IAC) Valve
Ignition System
TRIONIC Ignition System
MOTRONIC Ignition System
Emission Systems
Engine Controls - Theory & Operation
Pulsed Secondary Air Injection
Three-Way Catalytic Converter
Fuel Evaporative System
Exhaust Gas Recirculation (EGR)
Positive Crankcase Ventilation
Secondary Air Injection System
Self-Diagnostic System
Notes
Check Engine Light
Miscellaneous Controls
Notes
A/C Clutch
Cooling Fan
Cooling Fan Motor
Cooling Fan Control Relay