2005 MY OBD System Operation Summary for Gasoline Engines

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J1979 Misfire Mode $06 DataTest ID Comp ID Description for J1850 Units$50 $00 Total engine misfire and emission threshold misfire rate (updatedevery 1,000 revolutions)$53 $00 - $0A Cylinder-specific misfire and catalyst damage threshold misfire rate(either cat damage or emission threshold) (updated when DTC set orclears)$54 $00 Highest catalyst-damage misfire and catalyst damage threshold misfirerate (updated when DTC set or clears)$55 $00 Highest emission-threshold misfire and emission threshold misfire rate(updated when DTC set or clears)$56 $00 Cylinder events tested and number of events required for a 1000 revtestpercentpercentpercentpercenteventsMonitor ID Test ID Description for CANA1 $80 Total engine misfire and catalyst damage misfire rate (updated every200 revolutions)A1 $81 Total engine misfire and emission threshold misfire rate (updatedevery 1,000 revolutions)A1 $82 Highest catalyst-damage misfire and catalyst damage threshold misfirerate (updated when DTC set or clears)A1 $83 Highest emission-threshold misfire and emission threshold misfire rate(updated when DTC set or clears)A1 $84 Inferred catalyst mid-bed temperaturepercentpercentpercentpercento CA2 – AD $0B EWMA misfire counts for last 10 driving cycles eventsA2 – AD $0C Misfire counts for last/current driving cycle eventsA2 – AD $80 Cylinder X misfire rate and catalyst damage misfire rate (updatedevery 200 revolutions)A2 – AD $81 Cylinder X misfire rate and emission threshold misfire rate (updatedevery 1,000 revolutions)percentpercentConversion for Test IDs $50 through $55: multiply by 0.000015 to get percentConversion for Test ID $56: multiply by 1 to get ignition eventsFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 12 OF 131
Profile Correction OperationDTCsMonitor ExecutionMonitor Sequence:Sensors OK:Monitoring Duration;P0315 - unable to learn profile in three 60 to 40 mph decelsP1309 – AICE chip communication failureonce per KAM reset.Profile must be learned before misfire monitor is active.CKP, CMP, no AICE communication errors, CKP/CMP in synch10 cumulative seconds in conditions(a maximum of three 60-40 mph defueled decels)Typical profile learning entry conditions:Entry condition Minimum MaximumEngine in decel-fuel cutout mode for 4 engine cyclesBrakes applied No NoEngine RPM 1300 rpm 3700 rpmChange in RPMVehicle Speed 30 mph 75 mphLearning tolerance 1%600 rpm/backgroundloopFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 13 OF 131
Page 1: Table of ContentsIntroduction - OBD
Page 4 and 5: !The Catalyst Efficiency Monitor us
Page 6 and 7: TYPICAL INDEX RATIO CATALYST MONITO
Page 8 and 9: There are three different misfire m
Page 10 and 11: 0#1The acceleration that a piston u
Page 14 and 15: 0$Secondary air systems typically u
Page 16 and 17: 201 34536/#/Vehicles that meet enha
Page 18 and 19: 0.040” EVAP Monitor Operation:DTC
Page 20 and 21: 201 3536/#/Some vehicles that meet
Page 22 and 23: slosh. If the monitor aborts, it wi
Page 24 and 25: 0.020” EVAP Monitor Operation:DTC
Page 26 and 27: Test ID Comp ID Description for J18
Page 28 and 29: Ford's EONV implementation for Cali
Page 30 and 31: 1#4;!In this phase, the EONV test i
Page 32 and 33: 0.020” EONV EVAP Monitor Operatio
Page 34 and 35: 201!!#/Additional malfunctions that
Page 36 and 37: Fuel Tank Pressures Sensor Offset C
Page 38 and 39: :As fuel system components age or o
Page 40 and 41: -:-The time between HO2S switches i
Page 42 and 43: $-A functional test of the rear HO2
Page 44 and 45: -- 3 amps, (NTK)< 0.400 amps or > 3
Page 46 and 47: 1:$The Delta Pressure Feedback EGR
Page 48 and 49: If an EGR system malfunction is det
Page 50 and 51: After the vehicle has warmed up and
Page 52 and 53: 1:$In the 2002.5 MY, Ford introduce
Page 54 and 55: The ESM may provide the PCM with a
Page 56 and 57: Next, the differential pressure ind
Page 58 and 59: I/M Readiness IndicationIf the infe
Page 60 and 61: The Stepper Motor EGR Monitor consi
Page 62 and 63:
Note: BARO is inferred at engine st
Page 64 and 65:
$. 6The Electric Stepper Motor EGR
Page 66 and 67:
The MAP sensor is also checked for
Page 68 and 69:
When the entry conditions for the f
Page 70 and 71:
1!2Ford plans to comply with the PC
Page 72 and 73:
ETC System Failure Mode and Effects
Page 74 and 75:
;#11!%;11!)The purpose of the TPPC
Page 76 and 77:
Currently, vehicles use either an E
Page 78 and 79:
Fuel Rail Pressure Sensor Check Ope
Page 80 and 81:
Loss of Keep Alive Memory (KAM) pow
Page 82 and 83:
CKP Ignition System Check Operation
Page 84 and 85:
The Idle Air Control (IAC) solenoid
Page 86 and 87:
There are several different styles
Page 88 and 89:
The PCM continually calculates a ca
Page 90 and 91:
Most vehicle applications no longer
Page 92 and 93:
Intermediate Shaft Speed Sensor Fun
Page 94 and 95:
Primary Pulley Speed Sensor Functio
Page 96 and 97:
Secondary Pulley Pressure Sensor Ch
Page 98 and 99:
Typical Shift Solenoid mechanical f
Page 100 and 101:
Shift Completion Check Operation:DT
Page 102 and 103:
Pressure Control Solenoid Check Ope
Page 104 and 105:
Forward Clutch/Reverse Clutch Solen
Page 106 and 107:
4$=%$> );4R70E is the replacement f
Page 108 and 109:
! 4%:> );;The Analog Transmission R
Page 110 and 111:
$%$> );;The Digital Transmission Ra
Page 112 and 113:
Direct One Way ClutchThe Direct One
Page 114 and 115:
Direct One Way ClutchThe Direct One
Page 116 and 117:
$&&> %$> );;Transmission Range Sens
Page 118 and 119:
4:=%:.)%:> );;The Transmission Rang
Page 120 and 121:
CFT 30 Mechatronic Illustration;Tra
Page 122 and 123:
Internal TCM Power SupplyIf the pow
Page 124 and 125:
shift, rpm does not go up during a
Page 126 and 127:
The shift solenoids are monitored f
Page 128 and 129:
*> #606Exponentially Weighted Movin
Page 130 and 131:
@$!The readiness function is implem
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2005 MY OBD System Operation Summary for Gasoline Engines

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