Impreza F4-2.5L (2008): Powertrain Management
Also for this vehicle: Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001), Impreza 2.5 RS Coupe F4-2.5L SOHC (2000), Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002), Impreza Brighton Coupe AWD F4-2.2L SOHC (1997), Impreza Coupe AWD F4-1820cc 1.8L SOHC (1995), Impreza Coupe FWD F4-1820cc 1.8L SOHC (1995), Impreza F4-2.5L SOHC (2003), Impreza GT F4-2.5L Turbo (2009), Impreza L Coupe AWD F4-2.2L SOHC (2001), Impreza L Coupe F4-2.2L SOHC (1999), Impreza L Sedan F4-2.2L SOHC (1997), Impreza L Sport Wagon AWD F4-2.2L SOHC (2001), Impreza L Sport Wagon F4-2.2L SOHC (1999), Impreza Outback Sport AWD F4-2.5L SOHC (2002), Impreza RS Coupe AWD F4-2.5L DOHC (1998), Impreza RS Coupe AWD F4-2.5L SOHC (1999), Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993), Impreza Sedan FWD F4-1820cc 1.8L SOHC (1995), Impreza Wagon AWD F4-1820cc 1.8L SOHC (1993), Impreza Wagon AWD F4-2.2L SOHC (1996), Impreza Wagon FWD F4-1820cc 1.8L SOHC (1995), Impreza WRX F4-2.0L DOHC Turbo (2004), Impreza WRX F4-2.5L DOHC Turbo (2006), Impreza WRX STI F4-2.5L DOHC Turbo (2007), Impreza WRX STI F4-2.5L Turbo (2008), Impreza WRX Wagon F4-2.0L DOHC Turbo (2002).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management57 pages
Relays and Modules - Computers and Control Systems38 pages
- Body Control Module › Component Information › Service and Repair
- Electronic Throttle Actuator Relay › Component Information › Locations2
Engine Control Module › Component Information32 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations2
- Oxygen Sensor Relay › Component Information › Locations
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations
Relays and Modules - Fuel Delivery and Air Induction4 pages
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
Sensors and Switches - Powertrain Management194 pages
Sensors and Switches - Computers and Control Systems124 pages
- Camshaft Position Sensor › Component Information › Locations2345
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations23
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - DTC P0335 Information
Fuel Level Sensor › Component Information4 pages
- Fuel Tank Pressure Sensor › Component Information › Locations234
- Intake Air Temperature Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations234
- Oil Temperature Sensor For ECM › Component Information › Service and Repair
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
- Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair
- Variable Valve Timing Pressure Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
Sensors and Switches - Fuel Delivery and Air Induction32 pages
Sensors and Switches - Ignition System38 pages
Tune-up and Engine Performance Checks21 pages
- Fuel Pressure › System Information › Specifications2
- Idle Speed › System Information › Specifications2
- Air Cleaner Housing › Air Filter Element › Component Information › Testing and Inspection23
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Ignition Timing › System Information › Specifications2
Spark Plug › Component Information5 pages
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications234
Computers and Control Systems343 pages
- Intake Air Temperature Sensor › Component Information › Locations23
- Body Control Module › Component Information › Service and Repair
- Camshaft Position Sensor › Component Information › Locations2345
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations23
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - DTC P0335 Information
- Data Link Connector › Component Information › Locations2
- Electronic Throttle Actuator Relay › Component Information › Locations2
Engine Control Module › Component Information32 pages
Fuel Level Sensor › Component Information4 pages
- Fuel Tank Pressure Sensor › Component Information › Locations234
- Information Bus › Component Information › Diagrams › Diagram Information and Instructions2345678910111213141516
- Main Relay (Computer/Fuel System) › Component Information › Locations2
- Malfunction Indicator Lamp › Component Information › Description and Operation
- Manifold Pressure/Vacuum Sensor › Component Information › Locations234
- Oil Temperature Sensor For ECM › Component Information › Service and Repair
- Oxygen Sensor Relay › Component Information › Locations
Relays and Modules - Computers and Control Systems38 pages
- Body Control Module › Component Information › Service and Repair
- Electronic Throttle Actuator Relay › Component Information › Locations2
Engine Control Module › Component Information32 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations2
- Oxygen Sensor Relay › Component Information › Locations
Sensors and Switches - Computers and Control Systems124 pages
- Camshaft Position Sensor › Component Information › Locations2345
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations23
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - DTC P0335 Information
Fuel Level Sensor › Component Information4 pages
- Fuel Tank Pressure Sensor › Component Information › Locations234
- Intake Air Temperature Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations234
- Oil Temperature Sensor For ECM › Component Information › Service and Repair
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
- Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair
- Variable Valve Timing Pressure Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
- Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair
- Variable Valve Timing Pressure Switch › Component Information › Locations23
- Vehicle Speed Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
Emission Control Systems32 pages
- Air Injection › Air Injection Pump Relay › Component Information › Locations
Catalytic Converter › Component Information4 pages
Evaporative Emissions System24 pages
- Canister Purge Solenoid › Component Information › Testing and Inspection23
- Evaporative Canister Filter › Component Information › Service and Repair
- Evaporative Emission Control Canister › Component Information › Testing and Inspection2345678
Evaporative Emissions Hose › Component Information › Technical Service Bulletins8 pages
- Evaporative Shut Valve › Component Information › Testing and Inspection2
- Leak Detection Solenoid, Evaporative System › Component Information › Testing and Inspection2
- Exhaust Gas Recirculation › EGR Valve › Component Information › Service and Repair
- Positive Crankcase Ventilation › PCV Valve Hose › Component Information › Service and Repair
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations
Fuel Delivery and Air Induction124 pages
- Fuel Pressure › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Specifications2
- Air Cleaner Housing › Air Filter Element › Component Information › Testing and Inspection23
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Pressure Pulsation Damper › Component Information › Service and Repair › Fuel Damper Valve2
- Fuel Supply Line › Component Information › Testing and Inspection2345
Fuel Tank27 pages
- Fuel Temperature Sensor › Component Information › Locations2
- Intake Air Duct › Component Information › Testing and Inspection2
- Intake Air Plenum › Component Information › Testing and Inspection2
- Main Relay (Computer/Fuel System) › Component Information › Locations2
Relays and Modules - Fuel Delivery and Air Induction4 pages
- Resonator, Intake Air › Component Information › Testing and Inspection2
Sensors and Switches - Fuel Delivery and Air Induction32 pages
- Throttle Body › Component Information › Service and Repair
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
Ignition System111 pages
- Ignition Timing › System Information › Specifications2
- Camshaft Position Sensor › Component Information › Locations2345
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - DTC P0335 Information
- Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions234567891011121314
Sensors and Switches - Ignition System38 pages
Spark Plug › Component Information5 pages
Transmission Control Systems29 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T11 pages
- Band Control Solenoid Valve, A/T › Component Information › Locations
- Clutch Control Solenoid Valve, A/T › Component Information › Locations
- Pressure Regulating Solenoid, A/T › Component Information › Locations
- Shift Interlock Solenoid › Component Information › Locations23456
- Shift Solenoid, A/T › Component Information › Locations
- Torque Converter Clutch Solenoid, A/T › Component Information › Locations
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Temperature Warning Indicator - A/T › Component Information › Locations
- Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information › Locations2
Sensors and Switches - Transmission and Drivetrain15 pages
PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins30 pages
All Technical Service Bulletins for PROM - Programmable Read Only Memory:10 pages
- Recalls: › WVU-31 › Mar › 11 › Campaign - ECM Update, Cold Weather Emissions Function23456789
- Customer Interest: › 11-89-08 › Sep › 08 › Engine Controls - High Idle With Clutch Disengaged
- All Other Service Bulletins for PROM - Programmable Read Only Memory: › WVU-31 › Mar › 11 › Campaign - ECM Update, Cold Weather Emissions Function23456789
- All Other Service Bulletins for PROM - Programmable Read Only Memory: › 11-89-08 › Sep › 08 › Engine Controls - High Idle With Clutch Disengaged