Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
SECTION 1: Description and Operation
Powertrain Control Software ....................................................................................................................................................... 1-51
Adaptive Airflow .................................................................................................................................................................... 1-51 Auto Start Stop ..................................................................................................................................................................... 1-51 Automatic Engine Idle Shutdown .......................................................................................................................................... 1-51 Brake Over Accelerator ........................................................................................................................................................ 1-52 Check Fuel Cap .................................................................................................................................................................... 1-52 Computer Controlled Shutdown ............................................................................................................................................ 1-52 Deceleration Fuel Shut Off (DFSO) ...................................................................................................................................... 1-52 Engine Fluid Temperature Management .............................................................................................................................. 1-52 Engine RPM Limiter .............................................................................................................................................................. 1-52 Fail Safe Cooling Strategy .................................................................................................................................................... 1-52 Failure Mode Effects Management (FMEM) ......................................................................................................................... 1-53 Flash Electrically Erasable Programmable Read Only Memory (EEPROM) ........................................................................ 1-53 Flex Fuel ............................................................................................................................................................................... 1-53 Fuel Level Input (FLI) ............................................................................................................................................................ 1-53 Fuel Trim ............................................................................................................................................................................... 1-53 High Speed Controller Area Network (CAN) ......................................................................................................................... 1-54 Idle Air Trim .......................................................................................................................................................................... 1-54 International Standards Organization (ISO) 14229 Diagnostic Trouble Code (DTC) Descriptions ...................................... 1-55 Multiplexing ........................................................................................................................................................................... 1-57 Multiplexing Implementation ................................................................................................................................................. 1-58 Permanent Diagnostic Trouble Code (DTC) ......................................................................................................................... 1-58 Vehicle Speed Limiter ........................................................................................................................................................... 1-58 Powertrain Control Module - Vehicle Speed Output (PCM-VSO) ......................................................................................... 1-58
Malfunction Indicator Lamp (MIL) ............................................................................................................................................... 1-59 Catalyst And Exhaust Systems ................................................................................................................................................... 1-60 Cold Start System ....................................................................................................................................................................... 1-64 Evaporative Emission (EVAP) Systems ...................................................................................................................................... 1-66 Exhaust Gas Recirculation (EGR) Systems ................................................................................................................................ 1-68
Electric Exhaust Gas Recirculation (EEGR) System ............................................................................................................ 1-68
Fuel Systems .............................................................................................................................................................................. 1-70
Electronic Returnless Fuel System (ERFS) .......................................................................................................................... 1-70 Fuel Pump Control — ERFS ................................................................................................................................................. 1-72 Fuel Pump Monitor (FPM) — ERFS ..................................................................................................................................... 1-72 Mechanical Returnless Fuel System (MRFS) — EcoSport And KA ..................................................................................... 1-73 Fuel Pump Control — EcoSport And KA .............................................................................................................................. 1-74 Fuel Pump Monitor — EcoSport And KA .............................................................................................................................. 1-74 Mechanical Returnless Fuel System (MRFS) — All Others ................................................................................................. 1-74 Fuel Pump Control — All Others .......................................................................................................................................... 1-75 Fuel Pump Monitor (FPM) — All Others ............................................................................................................................... 1-76
High Pressure Fuel System ........................................................................................................................................................ 1-78 Ignition Systems .......................................................................................................................................................................... 1-79 Intake Air Systems ...................................................................................................................................................................... 1-82 Positive Crankcase Ventilation (PCV) System ........................................................................................................................... 1-86 Torque Based Electronic Throttle Control (ETC) ........................................................................................................................ 1-87 Turbocharger And Charge Air Cooler (CAC) Systems ............................................................................................................... 1-89 Variable Camshaft Timing (VCT) System ................................................................................................................................. 1-102 On Board Diagnostics (OBD) Monitors ..................................................................................................................................... 1-104
OBD I, OBD II And Engine Manufacturer Diagnostics (EMD) Overview ............................................................................ 1-104
Air Fuel Ratio Imbalance Monitor .............................................................................................................................................. 1-108 Catalyst Efficiency Monitor ........................................................................................................................................................ 1-110
General Catalyst Monitor Operation ................................................................................................................................... 1-110 Integrated Air Fuel Catalyst Monitor ................................................................................................................................... 1-111
Cold Start Emission Reduction Monitor .................................................................................................................................... 1-112 Comprehensive Component Monitor (CCM) ............................................................................................................................. 1-114 Electric Exhaust Gas Recirculation (EEGR) System Monitor ................................................................................................... 1-115 Engine Off Timer Monitor .......................................................................................................................................................... 1-116 Evaporative Emission (EVAP) Leak Check Monitor ................................................................................................................. 1-117
Engine On EVAP Leak Check Monitor ............................................................................................................................... 1-117 Engine Off Natural Vacuum (EONV) EVAP Leak Check Monitor ....................................................................................... 1-118
Fuel System Monitor ................................................................................................................................................................. 1-120 Heated Oxygen Sensor (HO2S) Monitor .................................................................................................................................. 1-122 Misfire Detection Monitor .......................................................................................................................................................... 1-123
Profile Correction ................................................................................................................................................................ 1-125 Neutral Profile Correction And Non Volatile Memory ......................................................................................................... 1-125 Customer Drive Cycle For Profile Correction (60 To 40 MPH Deceleration) ...................................................................... 1-125
Positive Crankcase Ventilation (PCV) System Monitor ............................................................................................................. 1-127
2016 Powertrain Control/Emissions Diagnosis, Gasoline Engines, 3/2015
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.