LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
1994
>>
Justy DL
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - System/Component Tests
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - System/Component Tests
Expand All (for easy ctrl-f)
Collapse All
Introduction
Computerized Engine Controls
Electronic Control Unit (Ecu)
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
Barometric Pressure (BARO) Sensor
Clutch Switch
Engine Coolant Temperature (ECT) Sensor
Crankshaft Position (CKP) Sensor
Electrical Load Sensors
Oxygen Sensor (O2S)
Throttle Position Sensor (Or Switch)
Pressure Sensor
Vehicle Speed Sensor (VSS)
Relays & Solenoids
Relays
Kickdown Relay Control (TBI)
Fuel Pump Relay
Main Relay
Solenoids
Purge Control Solenoid Valve
Fuel System
Fuel Delivery
Fuel Control
Feedback System
Fuel Injector(s)
Idle Control System
System Inspection
Auxiliary Air Valve
Dashpot
Fast Idle & Idle-Up Control Device
Ignition System
Notes
Timing Control Systems
Electronic Advance
Emission Systems & Sub-Systems
Pulsed Secondary Air Injection
Suction Valve
Exhaust Gas RECIRCULATION (EGR)
EGR Valve
Fuel Evaporative System (EVAP)
Notes
System Test
Charcoal Canister
2-Way Valve
Purge Control Solenoid Valve
High Altitude COMPENSATOR
Barometric Pressure (BARO) Sensor
Positive Crankcase Ventilation (PCV)