LEMON Manuals
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Engine Controls - System/Component Tests
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Engine Controls - System/Component Tests
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Introduction
Notes
Terminology
Computerized Engine Controls
Electronic Control Module (ECM)
Ground Circuit Checks
Power Circuit Checks
Engine Sensors & Switches
Coolant Temperature Sensor
CRANK ANGLE SENSOR (METRO XFi)
EGR Temperature Sensor
Electrical Load Sensor (Metro)
Intake Air Temperature (IAT) Sensor
Throttle Position (TP) Sensor (Metro)
Vehicle Speed Sensor
Modules, Relays & Solenoids
Modules
Diode Module
Relays
EFI Main Relay
Fuel Pump Relay
Solenoids
Idle Speed Control Solenoid
Fuel System
Fuel Delivery
Fuel Control
Fuel Injector
Idle Control System
A/C Vacuum Switching Valve
Air Valve
Idle Air Control Valve
Ignition System
Notes
Timing Control Systems
Electronic Ignition Timing Advance
Mechanical Advance (Metro Without ESC)
Vacuum Advance (Metro Without ESC)
Emission Systems & Sub-Systems
Exhaust Gas RECIRCULATION
EGR System Check
EGR Vacuum Supply
EGR Modulator
EGR Vacuum Switching Valve (SV)
Fuel Evaporation
Fuel Evaporation Canister Check Valve
Fuel Evaporation Bimetallic Vacuum Switching Valve (BVSV)
2-Way Check Valve
PCV Valve
Miscellaneous Controls
Notes
A/C Clutch System Controls
Transmission Controls
Shift Indicator Light (Metro M/T)
Diagnostic Charts
Code 24 Vehicle Speed Sensor (VSS) Circuit
Notes
Diagnostic Aids