OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Transmission Fluid Temperature Sensor Functional Check Operation:DTCs (non-MIL)Monitor executionMonitor SequenceSensors OKMonitoring DurationP0712, P0713 - Opens/shortsP1783 - OvertemperatureP0711 - Stuck low/highcontinuousnoneECT substituted if TFT has malfunctionTFT inferred from pressure solenoids on CFT302.5 seconds for electrical, 600 seconds for functional checkTypical TFT Stuck Low/High check entry conditions:Auto Transmission Entry Conditions Minimum MaximumEngine Coolant Temp (hot or cold, not midrange) > 100 o F < 20 o FTime in run modeTime in gear, vehicle moving, positive torqueVehicle SpeedTime with engine off (cold start) OREngine Coolant Temp AND Trans Fluid Temp (inferred cold start)500 – 600 sec150 sec15 mph420 min122 o FTypical TFT malfunction thresholds:Opens/shorts: TFT voltage 4.6 volts for 2.5 secondsOvertemperature: Indicated TFT > 275 deg FTFT Stuck low/high, i.e. TFT stuck at high temperature or stuck at low temperature):Stores a fault code if TFT stabilizes (stops increasing if temperature < 70 deg F, stops decreasing iftemperature > 225 deg F) before reaching the temperature region where all MIL tests are enabled (70 to 225deg F). If TFT remains constant (+/- 2 deg F) for approximately 2.5 minutes of vehicle driving outside the 70to 225 deg F zone a P0711 fault code will be stored.FORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 146 OF 157
Transmission OutputsShift Solenoid Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationSS A - P0750 openP0973 short to groundP0974 short to powerSS B - P0755 openP0976 short to groundP0977 short to powerSS C - P0760 openP0976 to groundP0977 short to powerSS D P0765 openP0982 to groundP0983 short to powerSS E P0770 openP0985 to groundP0986 short to powercontinuousNone5 secondsTypical Shift Solenoid check entry conditions:Entry Conditions Minimum MaximumBattery voltage 10 V 18 VTypical Shift Solenoid malfunction thresholds:Electrical circuit check: Output driver feedback circuit does not match commanded driver state for 5.0secondsFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 147 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
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NON-METHANE HYDROCARBON (NMHC) CONV
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OXIDES OF NITROGREN (NOx) CONVERTIN
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Selective Catalyst Reduction Feedba
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Misfire Monitor Operation:DTCsMonit
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Fuel Rail Pressure ( FRP ) Rational
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Fuel Temperature Sensor Circuit Che
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Fuel Pressure Control Valve (PCV) M
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Fuel Injector Driver Circuit Monito
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Injector Code Missing/Invalid:Injec
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Injection Timing / Injection quanti
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Feedback control:Fuel Balancing Con
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VoltageNominal Voltage Calibration:
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EXHAUST GAS SENSOR MONITORAir-Fuel
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The NOx sensor is primarily used to
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percent O2P0133 (O2 slow response)
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EXHAUST GAS RECIRCULATION (EGR) SYS
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EGR Cooler/ECB Entry Conditions (Ov
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EGR System Slow ResponseSlow respon
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Mass Airflow Closed-loop Control Li
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Note: this monitor also serves to m
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Functional Overboost MonitoringThe
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Threshold Underboost MonitoringThe
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PARTICULATE MATTER (PM) FILTER MONI
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DPF Incomplete Regeneration Monitor
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DPF Restriction MonitorThe DPF is m
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Mass Air Flow Sensor Functional Che
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Warm-up profiles with nominal therm
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Primary Coolant Temp Dynamic Monito
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COLD START EMISSION REDUCTION STRAT
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FBC operates in closed-loop control
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Engine SensorsAir Temperature Ratio
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Ambient Air Temperature (AAT) Senso
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Charge Air Cooler Temperature (CACT
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EGR Cooler Downstream Temperature R
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Barometric Pressure and Manifold Ab
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Turbine Upstream Pressure Sensor Pl
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EGR Valve Position SensorAnalog inp
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Engine Coolant & Engine Oil Correla
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Engine Oil Temperature (EOT) Sensor
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Typical Camshaft and Crankshaft Sen
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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 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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