OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Warm-up profiles with nominal thermostat on Unified Drive Cycle at -7, 21 and 38 deg C ambient starttemperatures.Thermostat Monitor:DTCsMonitor ExecutionMonitor SequenceSensors OKTypical Monitoring DurationP0128 –Coolant Temp Below Thermostat Regulating TemperatureOnce per driving cycleNoneEngine Coolant Temperature (ECT), Intake Air Temperature (IAT), VehicleSpeed (VS)Nominal time it takes <strong>for</strong> engine to warm up to thermostat "Start-To–Open"temperature – see approximate times below. (Note: Unified Drive Cycle is 23.9minutes long)Ambient Temperature Drive Cycle Completion Time-7 deg C Unified Drive Cycle +70 mph cruise33 min21 deg C Unified Drive Cycle 19 min38 deg C Unified Drive Cycle 14 minFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 66 OF 157
Typical Thermostat Monitor Entry Conditions:Entry condition Minimum MaximumModeled engine coolant temperature90 deg CEngine coolant temperature at start -7 deg C 54 deg CIntake air temperature at startRatio of time that the vehicle speed is above, 85 km/hr, to the total monitoringtime-7 deg CRatio of time that the engine fueling is below 20 mg/str to the total monitoring time 30%Ratio of time that the engine torque is below 60 n/m to the total monitoring time 70%Ratio of time that the vehicle speed is below 45 km/hr to the total monitoring time 70%70%Typical Thermostat Monitor Malfunction Thresholds:Measured Engine Coolant Temperature < 79 deg CFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 67 OF 157
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2013 MY OBD System OperationSummary
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Cam and Crank Sensor: .............
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Introduction - OBD-II and EMDOBD-II
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Comprehensive Component MonitorGlow
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System Schematic 6.7L Chassis Certi
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The dynamometer certified applicati
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 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
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ECB Valve Actuator Signal Range Che
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Reductant Pump MotorThe Reductant P
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Reductant Pump Motor Circuit Checks
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Reductant Dosing Valve Circuit Chec
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Reverting ValveIn order to reverse
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Urea HeatersAqueous urea water solu
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Additional plausibility check for h
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Engine Control Unit (ECU) Monitor O
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Typical Engine Control Unit (ECU) M
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Lack of Communication Codes:CAN Com
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Glow PlugsThe diesel engine uses gl
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Glow Plug Circuit Open Load Check O
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Glow Plug Circuit Resistance Out of
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Miscellaneous ECU Errors:VID Block
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Most vehicle applications no longer
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Transmission Fluid Temperature Sens
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Shift Solenoid Functional Check Ope
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Pressure Control Solenoid Check Ope
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Transmission OutputsShift Solenoids
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On Board Diagnostic ExecutiveThe On
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I/M Readiness CodeThe readiness fun
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OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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