OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Actuators Acronym Sensors AcronymDEF (Reductant) SystemDEF PumpDEF Temp-Level CombinationSensorDEF Tank Heater Heater #1 DEF Pressure SensorDEF Pump & Line Heater Heater #2DEF InjectorNOx Sensor SystemNOx Sensor ControllerNOx SensorBoost SystemVariable Geometry Turbo Control VGTC Manifold Pressure Sensor MAPTurbocharger WastegateWGT_CVCharge Air Cooler TemperatureCACT1Vacuum Control Solenoidat OutletMass Airflow SensorMAFIntake Air TemperatureIAT11Exhaust Back PressureEBP or P3Exhaust Gas Recirculation SystemExhaust Gas Recirculation ValveEGRVCExhaust Gas Recirculation ValveEGRVPControlPositionExhaust Gas RecirculationEGRCBVExhaust Gas RecirculationEGR_COTCooler Bypass Vacuum ControlSolenoidCooler Gas Temperature atOutletEGR Throttle Motor Control TACM EGR Throttle Position Sensor TPSFuel SystemHigh Pressure Fuel VolumeFVCVHigh Pressure Fuel Rail PressureFRPSControl ValveSensorHigh Pressure Fuel PressureFRPRVLow Pressure Fuel DeliveryFDPSRelief ValveSwitchFuel Injectors INJ 1-8 Low Pressure Fuel TemperatureFTSLow Pressure Fuel Pump andFiltersWater In Fuel SensorFuel Tank Level SensorGlow PlugsGlow Plug ControllerDFCMWFSGPCMGlow Plug SystemSensorExhaust SystemDiesel Oxidation InletTemperatureDiesel Oxidation OutletTemperatureSelective Catalytic ReductionOutlet TemperatureUpstream Catalyzed DieselParticulate Filter PressureDownstream Diesel ParticulateFilter TemperatureDOC_IT or EGT11DOC_OT or EGT12SCR_OT or EGT 13DPFPDPF_OT or EGT 14Engine SystemElectric Clutch Fan Controller FC-V Cam Shaft Position Sensor CMPEngine Coolant TemperatureECTCrank Shaft Position SensorEngine Oil TemperatureEngine Oil Pressure SwitchLow Temperature Coolant LoopTemperatureEngine Fan Speed SensorEnvironmental TemperatureSensorBarometric Pressure SensorCKPEOTEOP_SWECT2FSSENV_TBPFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 10 OF 157
The dynamometer certified application of the 6.7L diesel engine has a similar layout to the chassis certified version.The main differences are the use of a single compressor stage on the boost system, lack of a wastegate, and achange in the order of the aftertreatment systems.Dynamometer certified 6.7L exhaust system layout.FORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 11 OF 157
Page 1 and 2: 2013 MY OBD System OperationSummary
Page 3 and 4: Cam and Crank Sensor: .............
Page 5 and 6: Introduction - OBD-II and EMDOBD-II
Page 7 and 8: Comprehensive Component MonitorGlow
Page 9: System Schematic 6.7L Chassis Certi
Page 13 and 14: NON-METHANE HYDROCARBON (NMHC) CONV
Page 15 and 16: OXIDES OF NITROGREN (NOx) CONVERTIN
Page 17 and 18: Selective Catalyst Reduction Feedba
Page 20 and 21: Misfire Monitor Operation:DTCsMonit
Page 22 and 23: Fuel Rail Pressure ( FRP ) Rational
Page 24 and 25: Fuel Temperature Sensor Circuit Che
Page 26 and 27: Fuel Pressure Control Valve (PCV) M
Page 28 and 29: Fuel Injector Driver Circuit Monito
Page 30 and 31: Injector Code Missing/Invalid:Injec
Page 32 and 33: Injection Timing / Injection quanti
Page 34 and 35: Feedback control:Fuel Balancing Con
Page 36 and 37: VoltageNominal Voltage Calibration:
Page 38 and 39: EXHAUST GAS SENSOR MONITORAir-Fuel
Page 40 and 41: The NOx sensor is primarily used to
Page 42 and 43: percent O2P0133 (O2 slow response)
Page 44 and 45: EXHAUST GAS RECIRCULATION (EGR) SYS
Page 46 and 47: EGR Cooler/ECB Entry Conditions (Ov
Page 48 and 49: EGR System Slow ResponseSlow respon
Page 50 and 51: Mass Airflow Closed-loop Control Li
Page 52 and 53: Note: this monitor also serves to m
Page 54 and 55: Functional Overboost MonitoringThe
Page 56 and 57: Threshold Underboost MonitoringThe
Page 58 and 59: PARTICULATE MATTER (PM) FILTER MONI
Page 60 and 61:
DPF Incomplete Regeneration Monitor
Page 62 and 63:
DPF Restriction MonitorThe DPF is m
Page 64 and 65:
Mass Air Flow Sensor Functional Che
Page 66 and 67:
Warm-up profiles with nominal therm
Page 68 and 69:
Primary Coolant Temp Dynamic Monito
Page 70 and 71:
COLD START EMISSION REDUCTION STRAT
Page 72 and 73:
FBC operates in closed-loop control
Page 74 and 75:
Engine SensorsAir Temperature Ratio
Page 76 and 77:
Ambient Air Temperature (AAT) Senso
Page 78 and 79:
Charge Air Cooler Temperature (CACT
Page 80 and 81:
EGR Cooler Downstream Temperature R
Page 82 and 83:
Barometric Pressure and Manifold Ab
Page 84 and 85:
Turbine Upstream Pressure Sensor Pl
Page 86 and 87:
EGR Valve Position SensorAnalog inp
Page 88 and 89:
Engine Coolant & Engine Oil Correla
Page 90 and 91:
Engine Oil Temperature (EOT) Sensor
Page 92 and 93:
Typical Camshaft and Crankshaft Sen
Page 94 and 95:
Typical Fan and Fan Speed Sensor Ch
Page 96 and 97:
MAF Rationality CheckA rationality
Page 98 and 99:
Mass Air Flow Sensor Plausibility C
Page 100 and 101:
Reductant Pressure Sensor Signal Ra
Page 102 and 103:
DEF System Pressure ControlDEF pres
Page 104 and 105:
Reductant Tank Level Sensor Circuit
Page 106 and 107:
Reductant Tank Temperature Circuit
Page 108 and 109:
Exhaust Gas Temperature Sensor Rati
Page 110 and 111:
Exhaust Gas Temperature Rationality
Page 112 and 113:
Diesel Particulate Filter Pressure
Page 114 and 115:
Typical Actuator Jammed Valve Entry
Page 116 and 117:
ECB Valve Actuator Signal Range Che
Page 118 and 119:
Reductant Pump MotorThe Reductant P
Page 120 and 121:
Reductant Pump Motor Circuit Checks
Page 122 and 123:
Reductant Dosing Valve Circuit Chec
Page 124 and 125:
Reverting ValveIn order to reverse
Page 126 and 127:
Urea HeatersAqueous urea water solu
Page 128 and 129:
Additional plausibility check for h
Page 130 and 131:
Engine Control Unit (ECU) Monitor O
Page 132 and 133:
Typical Engine Control Unit (ECU) M
Page 134 and 135:
Lack of Communication Codes:CAN Com
Page 136 and 137:
Glow PlugsThe diesel engine uses gl
Page 138 and 139:
Glow Plug Circuit Open Load Check O
Page 140 and 141:
Glow Plug Circuit Resistance Out of
Page 142 and 143:
Miscellaneous ECU Errors:VID Block
Page 144 and 145:
Most vehicle applications no longer
Page 146 and 147:
Transmission Fluid Temperature Sens
Page 148 and 149:
Shift Solenoid Functional Check Ope
Page 150 and 151:
Pressure Control Solenoid Check Ope
Page 152 and 153:
Transmission OutputsShift Solenoids
Page 154 and 155:
On Board Diagnostic ExecutiveThe On
Page 156 and 157:
I/M Readiness CodeThe readiness fun
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OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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