OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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