Manual sections

Wiring diagrams

• Abbreviations
• Accessories Control Systems
• Accessory Drive Belts
• Airbag
• Anti-Lock/traction Control
• Automatic HVAC System
• Automatic Trans
• Automatic Transmission
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Body Electrical
• Brakes
• Cabin Air Filter
• Charging System
• Check Lists
• Clutches Manual & Hydraulic
• Communication Devices
• Connector Views
• Cooling System (Mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine - 2.0L and 2.3L
• Engine Control Systems
• Engine Controls - Description & Operation (Except Diesel & Hybrid)
• Engine Performance
• Entertainment Systems
• Exhaust
• Exterior Body Panels
• Exterior Lights
• Exterior/interior Trim
• Frames, Subframes & Crossmembers
• Fuel System
• Gauges & Instrument Panels
• General Servicing - All Makes
• Headlights
• Heated Glass/defoggers
• Hoist/jack
• Horns
• Identification
• Ignition System
• Interior/illumination Lights
• Manual & Power Steering
• Manual HVAC System
• Manual Trans
• Manual Transmission
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Mode 6
• Oem General Information
• Parking Brake System
• Removal & Installation
• Reset Procedures
• Restraints Control Systems
• Seats
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Steering Linkage
• Sun Roof/t-Top/convertible Top
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Traction Control Disable
• Transmission
• Warning System
• Wheel & Tire System
• Wiper/washer Systems

Repair manual

Engine Controls - Description & Operation (Except Diesel & Hybrid) Ford Focus II

Step-by-step instructions on "Engine Controls - Description & Operation (Except Diesel & Hybrid)" for Ford Focus II (2005–2008). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

155subsections

155articles

101illustrations

VECI Decal

1 article

• VECI Decal 1

Engine/Evaporative Emission (EVAP) System Information

1 article

• Engine/Evaporative Emission (EVAP) System Information 3

VEHICLE EMISSION CONTROL INFORMATION (VECI) ACRONYM DEFINITIONS

1 article

• VEHICLE EMISSION CONTROL INFORMATION (VECI) ACRONYM DEFINITIONS

ENGINE CONTROL COMPONENTS

1 article

• ENGINE CONTROL COMPONENTS

Accelerator Pedal Position (APP) Sensor

1 article

• Accelerator Pedal Position (APP) Sensor

Air Conditioning (A/C) Clutch Relay (A/CCR)

1 article

• Air Conditioning (A/C) Clutch Relay (A/CCR)

Air Conditioning (A/C) Cycling Switch

1 article

• Air Conditioning (A/C) Cycling Switch

Air Conditioning Evaporator Temperature (ACET) Sensor

1 article

• Air Conditioning Evaporator Temperature (ACET) Sensor

Air Conditioning (A/C) High Pressure Switch

1 article

• Air Conditioning (A/C) High Pressure Switch

Air Conditioning Pressure (ACP) Sensor

1 article

• Air Conditioning Pressure (ACP) Sensor 2

Brake Pedal Position (BPP) Switch

1 article

• Brake Pedal Position (BPP) Switch 1

Brake Pedal Switch (BPS)/Brake Deactivator Switch

1 article

• Brake Pedal Switch (BPS)/Brake Deactivator Switch

Camshaft Position (CMP) Sensor

1 article

• Camshaft Position (CMP) Sensor 2

Canister Vent (CV) Solenoid

1 article

• Canister Vent (CV) Solenoid 1

Check Fuel Cap Indicator

1 article

• Check Fuel Cap Indicator

Clutch Pedal Position (CPP) Switch

1 article

• Clutch Pedal Position (CPP) Switch 1

Coil On Plug (COP)

1 article

• Coil On Plug (COP) 1

Coil Pack

1 article

• Coil Pack 4

Cooling Fan Clutch

1 article

• Cooling Fan Clutch 1

Crankshaft Position (CKP) Sensor

1 article

• Crankshaft Position (CKP) Sensor 1

Cylinder Head Temperature (CHT) Sensor

1 article

• Cylinder Head Temperature (CHT) Sensor 1

Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor

1 article

• Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor 1

Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor - Tube Mounted

1 article

• Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) Sensor - Tube Mounted 1

Electric Exhaust Gas Recirculation (EEGR) Valve

1 article

• Electric Exhaust Gas Recirculation (EEGR) Valve 1

Electronic Throttle Actuator Control (TAC)

1 article

• Electronic Throttle Actuator Control (TAC)

Electronic Throttle Body (ETB) Position Sensor

1 article

• Electronic Throttle Body (ETB) Position Sensor

Engine Coolant Temperature (ECT) Sensor

1 article

• Engine Coolant Temperature (ECT) Sensor 1

Engine Oil Temperature (EOT) Sensor

1 article

• Engine Oil Temperature (EOT) Sensor 1

Evaporative Emission (EVAP) Canister Purge Valve

1 article

• Evaporative Emission (EVAP) Canister Purge Valve 2

Exhaust Gas Recirculation (EGR) System Module (ESM)

1 article

• Exhaust Gas Recirculation (EGR) System Module (ESM) 1

Exhaust Gas Recirculation (EGR) Vacuum Regulator (EVR) Solenoid

1 article

• Exhaust Gas Recirculation (EGR) Vacuum Regulator (EVR) Solenoid 2

Exhaust Gas Recirculation (EGR) Valve

1 article

• Exhaust Gas Recirculation (EGR) Valve 2

Fan Control

1 article

• Fan Control

Fan Speed Sensor (FSS)

1 article

• Fan Speed Sensor (FSS) 1

Fuel Injectors

1 article

• Fuel Injectors 1

Fuel Level Input (FLI)

1 article

• Fuel Level Input (FLI)

Fuel Pump (FP) Module

1 article

• Fuel Pump (FP) Module 2

Fuel Pump Module and Reservoir

1 article

• Fuel Pump Module and Reservoir

Fuel Rail Pressure (FRP) Sensor

1 article

• Fuel Rail Pressure (FRP) Sensor 1

Fuel Rail Pressure Temperature (FRPT) Sensor

1 article

• Fuel Rail Pressure Temperature (FRPT) Sensor 1

Fuel Rail Pulse Damper

1 article

• Fuel Rail Pulse Damper 1

Fuel Rail Temperature (FRT) Sensor

1 article

• Fuel Rail Temperature (FRT) Sensor 1

Fuel Tank Pressure (FTP) Sensor

1 article

• Fuel Tank Pressure (FTP) Sensor 2

Heated Oxygen Sensor (HO2S)

1 article

• Heated Oxygen Sensor (HO2S) 1

Idle Air Control (IAC) Valve

1 article

• Idle Air Control (IAC) Valve

Inertia Fuel Shutoff (IFS) Switch

1 article

• Inertia Fuel Shutoff (IFS) Switch 1

Intake Air Temperature (IAT) Sensor

1 article

• Intake Air Temperature (IAT) Sensor 2

Intake Manifold Tuning Valve (IMTV)

1 article

• Intake Manifold Tuning Valve (IMTV)

Knock Sensor (KS)

1 article

• Knock Sensor (KS) 1

Mass Air Flow (MAF) Sensor

1 article

• Mass Air Flow (MAF) Sensor 3

Output Shaft Speed (OSS) Sensor

1 article

• Output Shaft Speed (OSS) Sensor

Power Steering Pressure (PSP) Sensor

1 article

• Power Steering Pressure (PSP) Sensor 1

Power Steering Pressure (PSP) Switch

1 article

• Power Steering Pressure (PSP) Switch 1

Power Take-Off (PTO) Switch and Circuits

1 article

• Power Take-Off (PTO) Switch and Circuits

Powertrain Control Module - Vehicle Speed Output (PCM-VSO)

1 article

• Powertrain Control Module - Vehicle Speed Output (PCM-VSO)

Secondary Air Injection (AIR) Bypass Solenoid

1 article

• Secondary Air Injection (AIR) Bypass Solenoid 1

Secondary AIR Diverter Valve

1 article

• Secondary AIR Diverter Valve 1

Secondary AIR Pump

1 article

• Secondary AIR Pump 1

Starter Motor Request (SMR) Circuit

1 article

• Starter Motor Request (SMR) Circuit

Throttle Position (TP) Sensor

1 article

• Throttle Position (TP) Sensor 1

Transmission Control Indicator Lamp (TCIL)

1 article

• Transmission Control Indicator Lamp (TCIL)

Transmission Control Switch (TCS)

1 article

• Transmission Control Switch (TCS) 2

Vapor Management Valve (VMV)

1 article

• Vapor Management Valve (VMV)

Vehicle Speed Sensor (VSS)

1 article

• Vehicle Speed Sensor (VSS) 1

Wide Open Throttle A/C Cut-Off (WAC)

1 article

• Wide Open Throttle A/C Cut-Off (WAC)

Modifications to OBD Vehicles

1 article

• Modifications to OBD Vehicles

Powertrain Control Module (PCM)

1 article

• Powertrain Control Module (PCM)

Fuel Injector Interface Module

1 article

• Fuel Injector Interface Module 1

Fuel Pump Driver Module (FPDM)

1 article

• Fuel Pump Driver Module (FPDM)

Keep Alive Memory (KAM)

1 article

• Keep Alive Memory (KAM)

Integrated Electronic Ignition System

1 article

• Integrated Electronic Ignition System

Electronic Throttle Control Reference Voltage (ETCREF)

1 article

• Electronic Throttle Control Reference Voltage (ETCREF)

Electronic Throttle Control Return (ETCRTN)

1 article

• Electronic Throttle Control Return (ETCRTN)

Gold Plated Pins

1 article

• Gold Plated Pins

Keep Alive Power (KAPWR)

1 article

• Keep Alive Power (KAPWR)

Mass Air Flow (MAF) Return

1 article

• Mass Air Flow (MAF) Return

Power Ground (PWR GND)

1 article

• Power Ground (PWR GND)

Signal Return (SIG RTN)

1 article

• Signal Return (SIG RTN)

Vehicle Buffered Power (VBPWR)

1 article

• Vehicle Buffered Power (VBPWR)

Vehicle Power (VPWR)

1 article

• Vehicle Power (VPWR)

Vehicle Reference Voltage (VREF)

1 article

• Vehicle Reference Voltage (VREF)

Computer Controlled Shutdown

1 article

• Computer Controlled Shutdown

Engine RPM/Vehicle Speed Limiter

1 article

• Engine RPM/Vehicle Speed Limiter

Fail-Safe Cooling Strategy

1 article

• Fail-Safe Cooling Strategy

Failure Mode Effects Management

1 article

• Failure Mode Effects Management

Flash Electrically Erasable Programmable Read Only Memory (EEPROM)

1 article

• Flash Electrically Erasable Programmable Read Only Memory (EEPROM)

Short Term Fuel Trim

1 article

• Short Term Fuel Trim

Long Term Fuel Trim

1 article

• Long Term Fuel Trim

High Speed Controller Area Network (CAN)

1 article

• High Speed Controller Area Network (CAN)

Idle Air Trim

1 article

• Idle Air Trim

Multiplexing

1 article

• Multiplexing

Multiplexing Implementation

1 article

• Multiplexing Implementation

Standard Corporate Protocol (SCP)

1 article

• Standard Corporate Protocol (SCP)

MALFUNCTION INDICATOR LAMP (MIL)

1 article

• MALFUNCTION INDICATOR LAMP (MIL) 2

Catalytic Converter

1 article

• Catalytic Converter

Light Off Catalyst

1 article

• Light Off Catalyst

Three-Way Catalyst (TWC) Conversion Efficiency

1 article

• Three-Way Catalyst (TWC) Conversion Efficiency 1

Exhaust System

1 article

• Exhaust System 2

Underbody Catalyst

1 article

• Underbody Catalyst

Three-Way Catalytic (TWC) Converter

1 article

• Three-Way Catalytic (TWC) Converter

Exhaust Manifold Runners

1 article

• Exhaust Manifold Runners

Exhaust Pipes

1 article

• Exhaust Pipes

Heated Oxygen Sensors (HO2S)

1 article

• Heated Oxygen Sensors (HO2S)

Muffler

1 article

• Muffler

Fuel Select Switch (FSSW) Circuit

1 article

• Fuel Select Switch (FSSW) Circuit

Fuel Rails

1 article

• Fuel Rails 2

Enhanced Evaporative Emission (EVAP) System

1 article

• Enhanced Evaporative Emission (EVAP) System 1

Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) System

1 article

• Differential Pressure Feedback Exhaust Gas Recirculation (EGR) (DPFE) System 1

Highlights of the EEGR System

1 article

• Highlights of the EEGR System

Electronic Returnless Fuel System (ERFS)

1 article

• Electronic Returnless Fuel System (ERFS) 2

Fuel Pump Control - ERFS

1 article

• Fuel Pump Control - ERFS

Fuel Pump Monitor (FPM) - ERFS

1 article

• Fuel Pump Monitor (FPM) - ERFS

Mechanical Returnless Fuel System (MRFS)

1 article

• Mechanical Returnless Fuel System (MRFS) 1

Fuel Pump Control - MRFS

1 article

• Fuel Pump Control - MRFS

Fuel Pump Monitor (FPM) - MRFS

1 article

• Fuel Pump Monitor (FPM) - MRFS

Fuel Filters

1 article

• Fuel Filters 2

Engine Crank/Engine Running

1 article

• Engine Crank/Engine Running

CMP FMEM

1 article

• CMP FMEM

Throttle Body System Hardware

1 article

• Throttle Body System Hardware

Throttle Body Housing

1 article

• Throttle Body Housing

Intake Manifold Runner Control (IMRC) Electric Actuated System

1 article

• Intake Manifold Runner Control (IMRC) Electric Actuated System 1

Intake Manifold Runner Control (IMRC) Vacuum Actuated System

1 article

• Intake Manifold Runner Control (IMRC) Vacuum Actuated System 1

Intake Manifold Tuning Valve (IMTV) System

1 article

• Intake Manifold Tuning Valve (IMTV) System 1

Heated Tubes

1 article

• Heated Tubes

PCV Valves

1 article

• PCV Valves 6

Secondary AIR System

1 article

• Secondary AIR System 1

Supercharger Bypass (SCB) System

1 article

• Supercharger Bypass (SCB) System

Supercharger Bypass (SCB) Solenoid

1 article

• Supercharger Bypass (SCB) Solenoid 1

Intercooler System

1 article

• Intercooler System 3

Electronic Throttle Body (ETB)

1 article

• Electronic Throttle Body (ETB)

Accelerator Pedal Position (APP) Sensors

1 article

• Accelerator Pedal Position (APP) Sensors 1

Electronic Throttle Control (ETC) System Strategy

1 article

• Electronic Throttle Control (ETC) System Strategy 1

Accelerator and Throttle Position (TP) Sensor Inputs

1 article

• Accelerator and Throttle Position (TP) Sensor Inputs

Throttle Plate Position Controller (TPPC) Outputs

1 article

• Throttle Plate Position Controller (TPPC) Outputs

Variable Camshaft Timing (VCT) System

1 article

• Variable Camshaft Timing (VCT) System 1

CATALYST EFFICIENCY MONITOR

1 article

• CATALYST EFFICIENCY MONITOR

Spark Timing Monitor

1 article

• Spark Timing Monitor

COMPREHENSIVE COMPONENT MONITOR (CCM)

1 article

• COMPREHENSIVE COMPONENT MONITOR (CCM) 1

ELECTRIC EXHAUST GAS RECIRCULATION (EEGR) SYSTEM MONITOR

1 article

• ELECTRIC EXHAUST GAS RECIRCULATION (EEGR) SYSTEM MONITOR 1

EVAPORATIVE EMISSION (EVAP) LEAK CHECK MONITOR

1 article

• EVAPORATIVE EMISSION (EVAP) LEAK CHECK MONITOR

Engine On EVAP Leak Check Monitor

1 article

• Engine On EVAP Leak Check Monitor 1

Engine Off Natural Vacuum (EONV) EVAP Leak Check Monitor

1 article

• Engine Off Natural Vacuum (EONV) EVAP Leak Check Monitor 1

EXHAUST GAS RECIRCULATION (EGR) SYSTEM MONITOR - DELTA PRESSURE FEEDBACK (DPFE) EGR AND EGR SYSTEM MODULE (ESM)

1 article

• EXHAUST GAS RECIRCULATION (EGR) SYSTEM MONITOR - DELTA PRESSURE FEEDBACK (DPFE) EGR AND EGR SYSTEM MODULE (ESM) 1

FUEL SYSTEM MONITOR

1 article

• FUEL SYSTEM MONITOR 1

HEATED OXYGEN SENSOR (HO2S) MONITOR

1 article

• HEATED OXYGEN SENSOR (HO2S) MONITOR 2

MISFIRE DETECTION MONITOR

1 article

• MISFIRE DETECTION MONITOR 1

Low Data Rate System (LDR)

1 article

• Low Data Rate System (LDR)

High Data Rate System (HDR)

1 article

• High Data Rate System (HDR)

Neural Network System

1 article

• Neural Network System

Generic Misfire Processing

1 article

• Generic Misfire Processing

Profile Correction

1 article

• Profile Correction

POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM MONITOR

1 article

• POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM MONITOR

SECONDARY AIR INJECTION (AIR) SYSTEM MONITOR

1 article

• SECONDARY AIR INJECTION (AIR) SYSTEM MONITOR 1

THERMOSTAT MONITOR

1 article

• THERMOSTAT MONITOR 1

VARIABLE CAMSHAFT TIMING (VCT) MONITOR

1 article

• VARIABLE CAMSHAFT TIMING (VCT) MONITOR