OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Shift Solenoid Functional Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0751 – SSA stuck offP0752 – SSA stuck onP0756 – SSB stuck offP0757 – SSB stuck onP0761 – SSC stuck offP0762 – SSC stuck onP0766 – SSD stuck offP0767 – SSD stuck onP0771 – SSE stuck offP0772 – SSE stuck onContinuous, in each gearNoneTSS, OSS, wheel speed1 secondTypical Shift Solenoid functional check entry conditions:Entry Conditions Minimum MaximumGear selector positionTurbine speedOutput speedEngine torque ORTurbine speed > engine speedforward range350 rpm150 rpm> 68 ft-lbs25 rpmTypical Shift Solenoid functional malfunction thresholds:Specific failed clutch or band (solenoid and stuck on or stuck off) determined by matrix of gear ratio errorsencountered during shift sequenceFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 148 OF 157
Torque Converter Clutch Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0740 - openP0742 – short to groundP0744 – short to powerP0741 - mechanical functional, stuck offelectrical - continuous,mechanical - during lockupNoneTSS, OSSElectrical – 5 seconds, Functional - 3 3-second lock-upeventsTypical TCC functional check entry conditions:Entry Conditions Minimum MaximumBattery voltage 10 V 18 VTransmission rangeforward gearNo gear shift in progressTransmission Fluid Temp275 o FEngine Torquepositive drive torqueCommanded TCC duty cycle for 0 rpm slip 60% 90%Typical TCC malfunction thresholds:Electrical circuit check: Output driver feedback circuit does not match commanded driver state for 5.0secondsMechanical check, stuck off: Slip across torque converter > 100 rpmFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 149 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
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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 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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