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Engine Controls - System/Component Tests
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Engine Controls - System/Component Tests
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Introduction
Computerized Engine Controls
Electronic Control Module (ECM)
Connector & Terminal Identification
Ground Circuits
Power Circuits (Ignition Off)
Power Circuits (Ignition On)
Power Circuits (Cranking)
Engine Sensors & Switches
A/C Switch
Mass Airflow (MAF) Sensor
Camshaft Position (CMP) Sensor
Crankshaft Position (CKP) Sensor
Engine Coolant Temperature (ECT) Sensor
Fuel Level Sensor
Fuel Temperature Sensor
Knock Sensor
Oxygen Sensor (O2S)
Inhibitor Switch
Pressure Sensor
Throttle Position (TP) Sensor
Vehicle Speed Sensor (VSS)
Relays & Solenoids
Relays
Cooling Fan Relay
Fuel Pump Relay
Main Relay
Solenoids
EGR Solenoid Valve
Purge Control Solenoid Valve
Fuel System
Fuel Delivery
Fuel Control
Feedback System
Fuel Injector(s)
Idle Control System
System Inspection
Idle Air Control Solenoid Valve
Ignition System
Notes
Timing Control Systems
Electronic Advance
Knock Sensor
Emission Systems & Sub-Systems
Exhaust Gas RECIRCULATION (EGR)
EGR System Inspection
EGR Solenoid
EGR System
EGR Valve
Fuel Evaporative System (EVAP)
Notes
System Test
Charcoal Canister
EVAP Pressure Sensor
Purge Control Solenoid Valve
2-Way Valve
Positive Crankcase Ventilation (PCV)
Component Locations