2005 MY OBD System Operation Summary for Gasoline Engines

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Typical Shift Solenoid mechanical functional check entry conditions:Entry Conditions (with turbine speed) Minimum MaximumGear ratio calculatedThrottle positioneach gearpositive drive torqueTypical Shift Solenoid mechanical functional check entry conditions:Entry Conditions (without turbine speed) Minimum MaximumRpm drop is obtainedThrottle positioneach shiftpositive drive torqueTypical Shift Solenoid malfunction thresholds:Electrical circuit check: Output driver feedback circuit does not match commanded driver state for 0.5 – 5.0secondsElectrical current check: Feedback current out of range for 0.5 secondsISIG functional check: ISIG chip hardware circuit does not detect characteristic current dip and rise producedby solenoid movement.Mechanical functional check: Actual obtained gear or shift pattern indicates which shift solenoid is stuck on oroff.FORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 98 OF 131
Gear Ratio Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0731 incorrect gear 1 ratio – 6HP26, F21P0732 incorrect gear 2 ratio – 6HP26, F21P0733 incorrect gear 3 ratio – 6HP26, F21P0734 incorrect gear 4 ratio – 6HP26, F21P0735 incorrect gear 5 ratio – 6HP26, F21P0729 incorrect gear 6 ratio – 6HP26, F21P0736 incorrect reverse ratio – 6HP26P1700 incorrect neutral ratio – F21Continuous, in each gearNoneTSS, OSS, wheel speed12 secondsTypical Forward Gear Ratio check entry conditions:Entry Conditions Minimum MaximumGear selector positionforward range,> 8 secondsEngine Torque100 NMThrottle position 10%Not shifting> 0.5 secondsEngine/input Speed550 rpmOutput Shaft Speed 250 rpm 1350 rpmTypical Neutral Gear Ratio check entry conditions:Entry Conditions Minimum MaximumGear selector positionAbsolute value of Engine rpm – Turbine rpmOutput Shaft Speedforward range,> 1 second150 rpm500 rpmTypical Gear Ratio malfunction thresholds:F21 Forward gear check: > 20% error in commanded ratio for > 12 secondsF21 Neutral gear check: TSS > (OSS * Gear 1 ratio) + 400 rpm for > 1 second6HP26 Forward and reverse gear check: > 400 to 640 rpm difference between calculated input and outputshaft speeds for 3 monitoring eventsFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 99 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
Page 12 and 13:
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: $. 6The Electric Stepper Motor EGR
Page 66 and 67: The MAP sensor is also checked for
Page 68 and 69: When the entry conditions for the f
Page 70 and 71: 1!2Ford plans to comply with the PC
Page 72 and 73: ETC System Failure Mode and Effects
Page 74 and 75: ;#11!%;11!)The purpose of the TPPC
Page 76 and 77: Currently, vehicles use either an E
Page 78 and 79: Fuel Rail Pressure Sensor Check Ope
Page 80 and 81: Loss of Keep Alive Memory (KAM) pow
Page 82 and 83: CKP Ignition System Check Operation
Page 84 and 85: The Idle Air Control (IAC) solenoid
Page 86 and 87: There are several different styles
Page 88 and 89: The PCM continually calculates a ca
Page 90 and 91: Most vehicle applications no longer
Page 92 and 93: Intermediate Shaft Speed Sensor Fun
Page 94 and 95: Primary Pulley Speed Sensor Functio
Page 96 and 97: Secondary Pulley Pressure Sensor Ch
Page 100 and 101: Shift Completion Check Operation:DT
Page 102 and 103: Pressure Control Solenoid Check Ope
Page 104 and 105: Forward Clutch/Reverse Clutch Solen
Page 106 and 107: 4$=%$> );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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