2005 MY OBD System Operation Summary for Gasoline Engines

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Primary Pulley Speed Sensor Functional Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP2765 – ISS circuit – CFT30P2766 – ISS Range/Performance – CFT30ContinuousNone30 secondsTypical Primary Pulley functional check entry conditions:Entry Conditions Minimum MaximumGear selector positiondriveVehicle speed OR4 mphEngine rpm = Turbine rpm w/converter locked OR 300 rpm 300 rpmOutput shaft rpm 650 rpm 1000 rpmTypical Primary Pulley functional check malfunction thresholds:Circuit/no signal: Vehicle is inferred to be moving with positive driving torque and PPS = 0 rpm for .25seconds orIntermittent/Erratic: > 7,500 rpm/sec changeFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 94 OF 131
Transmission Fluid Temperature Sensor Functional Check Operation:DTCs (non-MIL)Monitor executionMonitor SequenceSensors OKMonitoring DurationP0712, P0713 or P0710 Opens/shortsP1713 Stuck low, P1718 Stuck high, or P0711 Stuck low/highP0714 Intermittent/Erratic – 6HP26continuousnoneECT substituted if TFT has malfunctionTFT inferred from pressure solenoids on CFT305 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 5 – 12 secondsTFT Stuck low/high, i.e. TFT stuck at high temperature or stuck at low temperature):< 6 o F rise or fall in TFT after extended vehicle driving6HP26 Stuck low/high: > 77 deg F difference between TFT and internal TCM temperature sensor.CFT30 Stuck low/high: > 54 deg F difference between TFT and inferred TFT.6HP26 Intermittent/Erratic check: > 68 deg F change between successive readingsCFT30 Intermittent/Erratic Check: > 180 deg F change per secondF21 Stuck: < 2 o F rise or fall in TFT after extended vehicle drivingFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 95 OF 131
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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
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J1979 Misfire Mode $06 DataTest ID
Page 14 and 15:
0$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: $. 6The Electric Stepper Motor EGR
Page 66 and 67: The MAP sensor is also checked for
Page 68 and 69: When the entry conditions for the f
Page 70 and 71: 1!2Ford plans to comply with the PC
Page 72 and 73: ETC System Failure Mode and Effects
Page 74 and 75: ;#11!%;11!)The purpose of the TPPC
Page 76 and 77: Currently, vehicles use either an E
Page 78 and 79: Fuel Rail Pressure Sensor Check Ope
Page 80 and 81: Loss of Keep Alive Memory (KAM) pow
Page 82 and 83: CKP Ignition System Check Operation
Page 84 and 85: The Idle Air Control (IAC) solenoid
Page 86 and 87: There are several different styles
Page 88 and 89: The PCM continually calculates a ca
Page 90 and 91: Most vehicle applications no longer
Page 92 and 93: Intermediate Shaft Speed Sensor Fun
Page 96 and 97: Secondary Pulley Pressure Sensor Ch
Page 98 and 99: Typical Shift Solenoid mechanical f
Page 100 and 101: Shift Completion Check Operation:DT
Page 102 and 103: Pressure Control Solenoid Check Ope
Page 104 and 105: Forward Clutch/Reverse Clutch Solen
Page 106 and 107: 4$=%$> );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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