OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Engine Oil Temperature (EOT) Sensor Circuit Check:DTCsMonitor executionMonitor SequenceSensors OKTypical Monitoring DurationP0197 - Engine Oil Temperature Sensor Circuit LowP0198 - Engine Oil Temperature Sensor Circuit HighContinuousNoneNot Applicable2 sec.Typical Engine Oil Temperature Sensor Circuit Check Entry Conditions:Entry condition Minimum MaximumKey OnBattery Voltage 8v 15vTypical Engine Oil Temperature Sensor Circuit Check Malfunction Thresholds:Voltage < 0.10 (163 deg C) volts or voltage > 4.91 volts (-44 deg C)FORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 90 OF 157
Engine Speed(RPM)EpmCrs_tiInc[14]EpmCrs_tiInc[13]EpmCrs_tiInc[12]EpmCrs_tiInc[11]EpmCrs_tiInc[10]EpmCrs_tiInc[9]EpmCrs_tiInc[8]EpmCrs_tiInc[7]EpmCrs_tiInc[6]EpmCrs_tiInc[5]EpmCrs_tiInc[4]EpmCrs_tiInc[3]EpmCrs_tiInc[2]EpmCrs_tiInc[1]EpmCrs_tiInc[0]Cam and Crank Sensor:Title: 6.7L Scorpion Cam Target / 60-2 Tooth Crank Target Timing RelationshipTITLE:DRAWN BY:Scorpion Cam / 60-2 Tooth Crank Timing Relationship Revision 2.0 B. FultonFILENAME:REVISED:EDC 17 ReferenceFalling Edge Tooth 2Position of CKP for TDC Cylinder #1120 o from falling edge of tooth 22010MY Cylinder Timing Plots03/14/09Minus2 Slot120 Crankº60 CamºMinus2 SlotMinus2 SlotCKP Signal59 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60Direction of RotationCylinderingNumbering8 13 72654TDC Combustion630CrankshaftPosition(Degrees)0 or 72090180 270 360 450540Position of CMP for TDCCylinder #1 vs. CMP signal-14 Crankº-7 Camº118 Crankº59 Camº166 Crankº83 Camº350 Crankº175 Camº474 Crankº237 Camº530 Crankº265 CamºCMP Signal176 Crankº88 Camº132 Crankº66 Camº48 Crankº24 Camº184 Crankº92 Camº124 Crankº62 Camº56 Crankº28 CamºFBC / ZFC Segment Layout120 Crankº60 CamºMinus2 Slot78 o45 o90 oTooth 9: Calculation formain / post for cylinder 1 & 6Tooth 24: Calculation formain / post for cylinder 3 & 5Tooth 39: Calculation formain / post for cylinder 7 & 4Tooth 54: Calculation formain / post for cylinder 2 & 8Minus2 Slot59 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60MinusPos PeakS0S0S0S0 2 SlotS0S0S0S0NominalNeg PeakS18 13 72654Segment 0 Segment 2Segment 4 Segment 6Segment 8Segment 10Segment 12Segment 14 Segment 14Segment 15Segment 1 Segment 3Segment 5 Segment 7Segment 9Segment 11Segment 13S1630 0or720S190S1S1S1S1S1180 270 360 450540Tooth 2: Calculation forpilot injections cylinder 1 & 6Tooth 17: Calculation forpilot injections cylinder 3 & 5Tooth 32: Calculation forpilot injections cylinder 7 & 4Tooth 47: Calculation forpilot injections cylinder 2 & 8Notes:- S0 is scheduled starting at 78 deg (calibrate-able) before TDC of cylinder 1, S1 is 45 degrees after S0- S0 and S1 will continue to be scheduled every 90 degrees from this point forward.- During the call of the S0 interrupt, the S1 is scheduled on a segment selection calibration, so there will be an S0 or S1 every 45 deg interval.- At each interrupt the FBC/ZFC algorithm will take a measurement of the Crank Signal buffer in the EDC module.- Each interrupt is spaced by 45 degrees and each buffer entry for the crank signal is one tooth in distance (or 6 crank angle degrees).- The FBC wheel learn / ZFC algorithm takes a look at the complete revolution of the crank signal by sampling the entire crank signal- There are 16 total (0 – 15) segments between S0 and S1 interrupts, but INCA can only display the even numbered segments as they are between the S 0 points- Teeth measured in each segment are counted backwards from the current segment to the previous segment from 0 – 14- Injection timing and calculation points are shown on the plotCamshaft and Crankshaft Sensor Monitor Operation:DTCs P0016 – Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)P0315 – Crankshaft Position System Variation Not LearnedP0335 – Crankshaft Position Sensor "A" CircuitP0336 – Crankshaft Position Sensor "A" Circuit Range/PerformanceP0340 – Camshaft Position Sensor "A" Circuit (Bank 1 or single sensor)P0341 – Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or singlesensor)Monitor Execution P0016 – ContinuousP0315 – ContinuousP0335 – ContinuousP0336 – ContinuousP0340 – ContinuousP0341 – ContinuousMonitor SequenceNoneSensors OKTypical MonitoringDurationP0016 – Sensor Supply Voltage 1 (P06A6), Sensor Supply Voltage 2 (P06A7)P0315 – Sensor Supply Voltage 1 (P06A6), Crankshaft Sensor (P0335, P0336)P0335 – Sensor Supply Voltage 1 (P06A6)P0336 – Sensor Supply Voltage 1 (P06A6)P0340 – Sensor Supply Voltage 2 (P06A7)P0341 – Sensor Supply Voltage 2 (P06A7)P0016 – 3.6 sec ,P0315 – 5000 sec of overrun/decel fuel shut-offP0335 – 1.8 sec, P0336 – 1.8 sec, P0340 – 3 sec, P0341 – 1.2 secFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 91 OF 157
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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
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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
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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
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 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
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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
Page 154 and 155:
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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