Focus L4-2.0L VIN N (2006): Powertrain Management

Also for this vehicle: Focus L4-2.0L (2009), Focus L4-2.0L DOHC VIN 3 (2002), Focus L4-2.0L DOHC VIN 5 (2003), Focus L4-2.0L SOHC VIN P (2000), Focus L4-2.3L VIN Z (2003), Focus Wagon L4-2.0L DOHC VIN 3 (2002), Focus ZTS L4-2.0L DOHC VIN 3 (2001), Focus ZX5 L4-2.0L DOHC VIN 3 (2002), Focus Factory Service Manual (2007).

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

1. 01Diagnostic Trouble Codes (DTC)Diagnostic Trouble Codes (DTC): Sections
2. 02Relays and ModulesRelays and Modules: Sections
3. 03Sensors and SwitchesSensors and Switches: Sections
4. 04MaintenanceMaintenance: Sections
5. 05Engine, Cooling and ExhaustEngine, Cooling and Exhaust: Sections
6. 06Powertrain ManagementPowertrain Management: Sections
   • Relays and Modules - Powertrain Management66 pages

     • Relays and Modules - Computers and Control Systems45 pages

       • Body Control Module › Component Information › Locations234567
       • Electronic Throttle Control Module › Component Information › Description and Operation23456
       • Engine Control Module › Component Information30 pages

         • Locations
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920…26
         • Service and Repair › Powertrain Control Module (PCM)23
       • Main Relay (Computer/Fuel System) › Component Information › Locations2
     • Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information6 pages

       • Locations2
       • Testing and Inspection › Late Production234
     • Relays and Modules - Fuel Delivery and Air Induction11 pages

       • Fuel Pump Control Unit › Component Information › Locations23
       • Fuel Pump Relay › Component Information › Locations234
       • Main Relay (Computer/Fuel System) › Component Information › Locations2
       • Variable Induction Control Module › Component Information › Locations2
     • Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations234
   • Sensors and Switches - Powertrain Management155 pages

     • Sensors and Switches - Computers and Control Systems93 pages

       • Accelerator Pedal Position Sensor › Component Information › Description and Operation
       • Air Flow Meter/Sensor › Component Information › Locations2345
       • Camshaft Position Sensor › Component Information › Locations234
       • Clutch Switch, ECM › Component Information › Locations23
       • Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
       • Crankshaft Position Sensor › Component Information › Locations23456
       • Engine Temperature Sensor › Component Information › Locations234
       • Fuel Level Sensor › Component Information › Description and Operation234
       • Fuel Tank Pressure Sensor › Component Information › Description and Operation
       • Intake Air Temperature Sensor › Component Information › Locations234
       • Knock Sensor › Component Information › Locations234
       • Manifold Pressure/Vacuum Sensor › Component Information › Locations2
       • Oil Temperature Sensor For ECM › Component Information › Description and Operation
       • Oxygen Sensor › Component Information17 pages

         • Locations › H02S Location2345678910
         • Diagrams › Heated Oxygen Sensor (HO2S) #1223
         • Service and Repair › Heated Oxygen Sensor (HO2S)234
       • Power Steering Pressure Switch › Component Information4 pages

         • Locations2
         • Description and Operation › Power Steering Pressure (PSP) Switch2
       • Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
       • Throttle Position Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
       • Transmission Position Switch/Sensor, A/T › Component Information22 pages

         • Locations
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Vehicle Speed Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Output Shaft Speed (OSS) Sensor2
     • Sensors and Switches - Emission Control Systems › Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
     • Sensors and Switches - Fuel Delivery and Air Induction24 pages

       • Accelerator Pedal Position Sensor › Component Information › Description and Operation
       • Air Flow Meter/Sensor › Component Information › Locations2345
       • Fuel Pressure Sensor/Switch › Component Information6 pages

         • Locations › Fuel Rail Pressure Sensor2
         • Diagrams › Fuel Tank Pressure Transducer Sensor2
         • Description and Operation › Fuel Rail Pressure (FRP) Sensor2
       • Fuel Temperature Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Fuel Rail Pressure Temperature (FRPT) Sensor2
       • Inertia Fuel Shutoff Switch › Component Information › Locations234
       • Throttle Position Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
     • Sensors and Switches - Ignition System36 pages

       • Camshaft Position Sensor › Component Information › Locations234
       • Crankshaft Position Sensor › Component Information › Locations23456
       • Ignition Switch › Component Information22 pages

         • Locations
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Knock Sensor › Component Information › Locations234
   • Tune-up and Engine Performance Checks18 pages

     • Fuel Pressure › System Information › Specifications
     • Idle Speed › System Information › Specifications
     • Air Cleaner Housing › Component Information › Service and Repair2
     • Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
     • Firing Order › Component Information › Specifications
     • Ignition Timing › Number One Cylinder › Component Information › Locations
     • Spark Plug › Component Information6 pages

       • Specifications › Spark Plug Gap2
       • Service and Repair › Removal and Installation234
     • Compression Check › System Information › Specifications23
     • Valve Clearance › System Information › Specifications2
   • Computers and Control Systems349 pages

     • Accelerator Pedal Position Sensor › Component Information › Description and Operation
     • Air Flow Meter/Sensor › Component Information › Locations2345
     • Intake Air Temperature Sensor › Component Information › Locations234
     • Body Control Module › Component Information › Locations234567
     • Brake Signal › Component Information4 pages

       • Locations2
       • Description and Operation › Brake Pedal Position (BPP) Switch2
     • Camshaft Position Sensor › Component Information › Locations234
     • Clutch Switch, ECM › Component Information › Locations23
     • Computers and Control Circuit Diode › Component Information › Diagrams
     • Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
     • Crankshaft Position Sensor › Component Information › Locations23456
     • Data Link Connector › Component Information22 pages

       • Locations
       • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
     • Electronic Throttle Actuator › Component Information › Description and Operation
     • Electronic Throttle Control Module › Component Information › Description and Operation23456
     • Engine Control Module › Component Information30 pages

       • Locations
       • Diagrams › Diagram Information and Instructions234567891011121314151617181920…26
       • Service and Repair › Powertrain Control Module (PCM)23
     • Engine Temperature Sensor › Component Information › Locations234
     • Fuel Level Sensor › Component Information › Description and Operation234
     • Fuel Tank Pressure Sensor › Component Information › Description and Operation
     • Idle Speed/Throttle Actuator - Electronic › Component Information › Diagrams23
     • Information Bus › Component Information39 pages

       • Diagrams › Diagram Information and Instructions2345678910111213141516171819202122
       • Testing and Inspection › Module Communications Network234567891011121314151617
     • Knock Sensor › Component Information › Locations234
     • Main Relay (Computer/Fuel System) › Component Information › Locations2
     • Malfunction Indicator Lamp › Component Information › Description and Operation
     • Manifold Pressure/Vacuum Sensor › Component Information › Locations2
     • Oil Temperature Sensor For ECM › Component Information › Description and Operation
     • Oxygen Sensor › Component Information17 pages

       • Locations › H02S Location2345678910
       • Diagrams › Heated Oxygen Sensor (HO2S) #1223
       • Service and Repair › Heated Oxygen Sensor (HO2S)234
     • Power Steering Pressure Switch › Component Information4 pages

       • Locations2
       • Description and Operation › Power Steering Pressure (PSP) Switch2
     • Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
     • Relays and Modules - Computers and Control Systems45 pages

       • Body Control Module › Component Information › Locations234567
       • Electronic Throttle Control Module › Component Information › Description and Operation23456
       • Engine Control Module › Component Information30 pages

         • Locations
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920…26
         • Service and Repair › Powertrain Control Module (PCM)23
       • Main Relay (Computer/Fuel System) › Component Information › Locations2
     • Sensors and Switches - Computers and Control Systems93 pages

       • Accelerator Pedal Position Sensor › Component Information › Description and Operation
       • Air Flow Meter/Sensor › Component Information › Locations2345
       • Camshaft Position Sensor › Component Information › Locations234
       • Clutch Switch, ECM › Component Information › Locations23
       • Coolant Temperature Sensor/Switch (For Computer) › Component Information › Description and Operation
       • Crankshaft Position Sensor › Component Information › Locations23456
       • Engine Temperature Sensor › Component Information › Locations234
       • Fuel Level Sensor › Component Information › Description and Operation234
       • Fuel Tank Pressure Sensor › Component Information › Description and Operation
       • Intake Air Temperature Sensor › Component Information › Locations234
       • Knock Sensor › Component Information › Locations234
       • Manifold Pressure/Vacuum Sensor › Component Information › Locations2
       • Oil Temperature Sensor For ECM › Component Information › Description and Operation
       • Oxygen Sensor › Component Information17 pages

         • Locations › H02S Location2345678910
         • Diagrams › Heated Oxygen Sensor (HO2S) #1223
         • Service and Repair › Heated Oxygen Sensor (HO2S)234
       • Power Steering Pressure Switch › Component Information4 pages

         • Locations2
         • Description and Operation › Power Steering Pressure (PSP) Switch2
       • Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
       • Throttle Position Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
       • Transmission Position Switch/Sensor, A/T › Component Information22 pages

         • Locations
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Vehicle Speed Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Output Shaft Speed (OSS) Sensor2
     • Throttle Position Sensor › Component Information4 pages

       • Locations2
       • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
     • Transmission Position Switch/Sensor, A/T › Component Information22 pages

       • Locations
       • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
     • Variable Valve Timing Actuator › Component Information › Description and Operation2
     • Vehicle Speed Sensor › Component Information4 pages

       • Locations2
       • Description and Operation › Output Shaft Speed (OSS) Sensor2
   • Emission Control Systems69 pages

     • Air Injection16 pages

       • Air Diverter Solenoid › Component Information › Locations23
       • Air Diverter Valve › Component Information › Description and Operation
       • Air Injection Bypass Valve › Component Information › Service and Repair
       • Air Injection Pump › Component Information › Locations2345
       • Air Injection Pump Relay › Component Information6 pages

         • Locations2
         • Testing and Inspection › Late Production234
     • Catalytic Converter › Component Information16 pages

       • Description and Operation234
       • Service and Repair › Catalytic Converter - 2.0L PZEV23456789101112
     • Evaporative Emissions System18 pages

       • Canister Purge Control Valve › Component Information › Diagrams2345
       • Evaporative Emission Control Canister › Component Information › Service and Repair › Evaporative Emission Canister - 3-Door/5-Door23456
       • Evaporative Emissions Hose › Component Information › Service and Repair23
       • Leak Detection Solenoid, Evaporative System › Component Information › Description and Operation
       • Leak Detection Valve, Evaporative System › Component Information › Diagrams23
     • Exhaust Gas Recirculation9 pages

       • EGR Electronic Vacuum Regulator Solenoid › Component Information › Description and Operation
       • EGR Tube › Component Information › Description and Operation
       • EGR Valve › Component Information5 pages

         • Locations2
         • Description and Operation › Electric Exhaust Gas Recirculation (EEGR) Valve23
       • Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
     • Positive Crankcase Ventilation2 pages

       • Oil Separator › Component Information › Service and Repair
       • Positive Crankcase Ventilation Valve › Component Information › Service and Repair
     • Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information6 pages

       • Locations2
       • Testing and Inspection › Late Production234
     • Sensors and Switches - Emission Control Systems › Pressure Feedback Exhaust Sensor, EGR › Component Information › Description and Operation › Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor2
   • Fuel Delivery and Air Induction119 pages

     • Fuel Pressure › System Information › Specifications
     • Fuel Pressure Release › System Information › Service and Repair
     • Idle Speed › System Information › Specifications
     • Accelerator Pedal › Component Information3 pages

       • Specifications
       • Testing and Inspection › Initial Inspection and Diagnostic Overview2
     • Accelerator Pedal Position Sensor › Component Information › Description and Operation
     • Air Cleaner Housing › Component Information › Service and Repair2
     • Air Flow Meter/Sensor › Component Information › Locations2345
     • Fuel › Component Information › Specifications
     • Fuel Filler Cap Warning Indicator › Component Information › Description and Operation
     • Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
     • Fuel Injector › Fuel Injector Wiring Harness › Component Information › Service and Repair234
     • Fuel Line Coupler › Component Information › Service and Repair2
     • Fuel Pressure Sensor/Switch › Component Information6 pages

       • Locations › Fuel Rail Pressure Sensor2
       • Diagrams › Fuel Tank Pressure Transducer Sensor2
       • Description and Operation › Fuel Rail Pressure (FRP) Sensor2
     • Fuel Pressure Pulsation Damper › Component Information › Description and Operation
     • Fuel Pump8 pages

       • Fuel Pressure › System Information › Specifications
       • Fuel Pump Control Unit › Component Information › Locations23
       • Fuel Pump Relay › Component Information › Locations234
     • Fuel Rail › Component Information › Service and Repair2
     • Fuel Tank11 pages

       • Fuel Filler Hose › Component Information › Service and Repair2
       • Fuel Filler Neck › Component Information › Technical Service Bulletins6 pages

         • Customer Interest for Fuel Filler Neck: › 07-8-1 › Apr › 07 › Fuel - Fuel Fill Slow Or Early Shut Off23
         • All Technical Service Bulletins for Fuel Filler Neck: › 07-8-1 › Apr › 07 › Fuel - Fuel Fill Slow Or Early Shut Off23
       • Fuel Gauge Sender › Component Information › Description and Operation › Fuel Pump (FP) Module23
     • Fuel Tank Unit › Component Information4 pages

       • Diagrams
       • Description and Operation › Fuel Pump (FP) Module23
     • Fuel Temperature Sensor › Component Information4 pages

       • Locations2
       • Description and Operation › Fuel Rail Pressure Temperature (FRPT) Sensor2
     • Idle Speed/Throttle Actuator - Electronic › Component Information › Diagrams23
     • Inertia Fuel Shutoff Switch › Component Information › Locations234
     • Main Relay (Computer/Fuel System) › Component Information › Locations2
     • Relays and Modules - Fuel Delivery and Air Induction11 pages

       • Fuel Pump Control Unit › Component Information › Locations23
       • Fuel Pump Relay › Component Information › Locations234
       • Main Relay (Computer/Fuel System) › Component Information › Locations2
       • Variable Induction Control Module › Component Information › Locations2
     • Resonator, Intake Air › Component Information › Service and Repair2
     • Sensors and Switches - Fuel Delivery and Air Induction24 pages

       • Accelerator Pedal Position Sensor › Component Information › Description and Operation
       • Air Flow Meter/Sensor › Component Information › Locations2345
       • Fuel Pressure Sensor/Switch › Component Information6 pages

         • Locations › Fuel Rail Pressure Sensor2
         • Diagrams › Fuel Tank Pressure Transducer Sensor2
         • Description and Operation › Fuel Rail Pressure (FRP) Sensor2
       • Fuel Temperature Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Fuel Rail Pressure Temperature (FRPT) Sensor2
       • Inertia Fuel Shutoff Switch › Component Information › Locations234
       • Throttle Position Sensor › Component Information4 pages

         • Locations2
         • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
     • Throttle Body › Component Information › Service and Repair2
     • Throttle Cable/Linkage › Component Information › Service and Repair2
     • Throttle Position Sensor › Component Information4 pages

       • Locations2
       • Description and Operation › Electronic Throttle Body (ETB) Position Sensor2
     • Variable Induction System6 pages

       • Variable Induction Control Actuator › Component Information › Diagrams2
       • Variable Induction Control Module › Component Information › Locations2
       • Variable Induction Control Solenoid › Component Information › Locations2
   • Ignition System82 pages

     • Firing Order › Component Information › Specifications
     • Ignition Timing › Number One Cylinder › Component Information › Locations
     • Camshaft Position Sensor › Component Information › Locations234
     • Crankshaft Position Sensor › Component Information › Locations23456
     • Ignition Coil › Component Information16 pages

       • Technical Service Bulletins › Ignition System - Coil-On-Plug Misfire Diagnostic Tips234567
       • Diagrams › Coil On Plug (COP) 12345
       • Description and Operation › Coil On Plug (COP)234
     • Ignition Relay › Component Information › Locations234
     • Knock Sensor › Component Information › Locations234
     • Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations234
     • Sensors and Switches - Ignition System36 pages

       • Camshaft Position Sensor › Component Information › Locations234
       • Crankshaft Position Sensor › Component Information › Locations23456
       • Ignition Switch › Component Information22 pages

         • Locations
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Knock Sensor › Component Information › Locations234
     • Spark Plug › Component Information6 pages

       • Specifications › Spark Plug Gap2
       • Service and Repair › Removal and Installation234
   • Transmission Control Systems182 pages

     • Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T68 pages

       • Pressure Regulating Solenoid, A/T › Component Information22 pages

         • Specifications › Solenoid Operation Chart - Converter Engaged2
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920
       • Shift Interlock Solenoid › Component Information › Service and Repair
       • Shift Solenoid, A/T › Component Information23 pages

         • Specifications › Solenoid Operation Chart - Converter Engaged2
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Torque Converter Clutch Solenoid, A/T › Component Information22 pages

         • Specifications › Solenoid Operation Chart - Converter Engaged2
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920
     • Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Transmission Mode Indicator - A/T › Component Information › Description and Operation
     • Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T113 pages

       • Brake Switch - TCC › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920
       • Overdrive Switch, A/T › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920
       • Throttle Position Sensor/Switch, A/T › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920
       • Transmission Mode Switch, A/T › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920
       • Transmission Position Switch/Sensor, A/T › Component Information22 pages

         • Locations
         • Diagrams › Diagram Information and Instructions23456789101112131415161718192021
       • Transmission Speed Sensor, A/T › Component Information11 pages

         • Locations › Output Shaft Speed (OSS) Sensor2
         • Diagrams › Output Shaft Speed (OSS) Sensor2
         • Service and Repair › Turbine Shaft Speed (TSS) Sensor234567
   • PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins14 pages

     • Customer Interest for PROM - Programmable Read Only Memory:7 pages

       • 06-18-4 › Sep › 06 › Engine Controls - Hesitation When A/C Compressor Cycles
       • 06-18-5 › Sep › 06 › Brakes/Engine Controls - High Pedal Effort at High Alt.23
       • 05-23-11 › Nov › 05 › Engine Controls - Hesitation/Surge When A/C Comp. Cycles
       • 05-23-13 › Nov › 05 › Engine Controls - Steady 30-50 MPH Cruise Surge
       • 05-23-14 › Nov › 05 › Engine Controls - DTC P1101 During KOEO Self Test
     • All Technical Service Bulletins for PROM - Programmable Read Only Memory:7 pages

       • 06-18-4 › Sep › 06 › Engine Controls - Hesitation When A/C Compressor Cycles
       • 06-18-5 › Sep › 06 › Brakes/Engine Controls - High Pedal Effort at High Alt.23
       • 05-23-11 › Nov › 05 › Engine Controls - Hesitation/Surge When A/C Comp. Cycles
       • 05-23-13 › Nov › 05 › Engine Controls - Steady 30-50 MPH Cruise Surge
       • 05-23-14 › Nov › 05 › Engine Controls - DTC P1101 During KOEO Self Test
7. 07Transmission and DrivetrainTransmission and Drivetrain: Sections
8. 08Brakes and Traction ControlBrakes and Traction Control: Sections
9. 09Starting and ChargingStarting and Charging: Sections
10. 10Power and Ground DistributionPower and Ground Distribution: Sections
11. 11Steering and SuspensionSteering and Suspension: Sections
12. 12Heating and Air ConditioningHeating and Air Conditioning: Sections
13. 13Restraint SystemsRestraint Systems: Sections
14. 14Accessories and Optional EquipmentAccessories and Optional Equipment: Sections
15. 15Body and FrameBody and Frame: Sections
16. 16Cruise ControlCruise Control: Sections
17. 17Instrument Panel, Gauges and Warning IndicatorsInstrument Panel, Gauges and Warning Indicators: Sections
18. 18Lighting and HornsLighting and Horns: Sections
19. 19Windows and GlassWindows and Glass: Sections
20. 20Wiper and Washer SystemsWiper and Washer Systems: Sections