2005 MY OBD System Operation Summary for Gasoline Engines
2005 MY OBD System Operation Summary for Gasoline Engines 2005 MY OBD System Operation Summary for Gasoline Engines
Shift Completion Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0781 incorrect 1-2 shift – 6HP26P0782 incorrect 2-3 shift – 6HP26P0783 incorrect 3-4 shift – 6HP26P0784 incorrect 4-5 shift – 6HP26P0829 incorrect 5-6 shift – 6HP26During up-shifts and down-shiftsNoneTSS, OSS5 shift eventsTypical Shift Completion check entry conditions:Entry Conditions Minimum MaximumGear selector positionTransmission Fluid TempEngine/input SpeedOutput Shaft Speedforward range50 o F1200 rpm256 rpmTypical Shift Completion malfunction thresholds:Up-shift rpm check: rpm does not drop by > 30 rpmDown-shift rpm check: rpm does not increase by > 30 rpmUp-shift rpm check: rpm increases (flares) by > 300 rpmFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 100 OF 131
Torque Converter Clutch Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0740, P2763, P2764, P0742, P0743 Opens/shortsP0744 Intermittent – 5R110P2762 current range – 6HP26, F21P1740 ISIG functionalP1744 mechanical functional - 4R100P0741 mechanical functional, stuck offP1742 mechanical functional, stuck on – CD4EP2758 mechanical functional, stuck on - F21P2757 mechanical functional, stuck off - F21electrical - continuous,mechanical - during lockupNoneTSS, OSSElectrical – 5 seconds, Functional - 5 lock-up eventsTypical TCC ISIG functional check entry conditions:Entry Conditions Minimum MaximumTransmission Fluid Temp 70 o F 225 o FEngine Torquepositive drive torqueCommanded TCC duty cycle for 0 rpm slip 60% 90%Typical TCC mechanical functional check stuck off entry conditions:Entry Conditions Minimum MaximumThrottle PositionsteadyEngine Torquepositive drive torqueTransmission Fluid Temp 70 o F 225 o FCommanded TCC duty cycle (0 rpm slip) 60% 100%Not shiftingTypical TCC 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 check, stuck off: Slip across torque converter > 100 – 200 rpm or speed ratio < 0.93Mechanical check, stuck on: Slip across torque converter < 20 rpm with converter commanded offMechanical check, stuck on: engine rpm < 100 after drive engagement (engine stall)FORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 101 OF 131
- 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: $. 6The Electric Stepper Motor EGR
- Page 66 and 67: The MAP sensor is also checked for
- Page 68 and 69: When the entry conditions for the f
- Page 70 and 71: 1!2Ford plans to comply with the PC
- Page 72 and 73: ETC System Failure Mode and Effects
- Page 74 and 75: ;#11!%;11!)The purpose of the TPPC
- Page 76 and 77: Currently, vehicles use either an E
- Page 78 and 79: Fuel Rail Pressure Sensor Check Ope
- Page 80 and 81: Loss of Keep Alive Memory (KAM) pow
- Page 82 and 83: CKP Ignition System Check Operation
- Page 84 and 85: The Idle Air Control (IAC) solenoid
- Page 86 and 87: There are several different styles
- Page 88 and 89: The PCM continually calculates a ca
- Page 90 and 91: Most vehicle applications no longer
- Page 92 and 93: Intermediate Shaft Speed Sensor Fun
- Page 94 and 95: Primary Pulley Speed Sensor Functio
- Page 96 and 97: Secondary Pulley Pressure Sensor Ch
- Page 98 and 99: Typical Shift Solenoid mechanical f
- Page 102 and 103: Pressure Control Solenoid Check Ope
- Page 104 and 105: Forward Clutch/Reverse Clutch Solen
- Page 106 and 107: 4$=%$> );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
Torque Converter Clutch Check <strong>Operation</strong>:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0740, P2763, P2764, P0742, P0743 Opens/shortsP0744 Intermittent – 5R110P2762 current range – 6HP26, F21P1740 ISIG functionalP1744 mechanical functional - 4R100P0741 mechanical functional, stuck offP1742 mechanical functional, stuck on – CD4EP2758 mechanical functional, stuck on - F21P2757 mechanical functional, stuck off - F21electrical - continuous,mechanical - during lockupNoneTSS, OSSElectrical – 5 seconds, Functional - 5 lock-up eventsTypical TCC ISIG functional check entry conditions:Entry Conditions Minimum MaximumTransmission Fluid Temp 70 o F 225 o FEngine Torquepositive drive torqueCommanded TCC duty cycle <strong>for</strong> 0 rpm slip 60% 90%Typical TCC mechanical functional check stuck off entry conditions:Entry Conditions Minimum MaximumThrottle PositionsteadyEngine Torquepositive drive torqueTransmission Fluid Temp 70 o F 225 o FCommanded TCC duty cycle (0 rpm slip) 60% 100%Not shiftingTypical TCC malfunction thresholds:Electrical circuit check: Output driver feedback circuit does not match commanded driver state <strong>for</strong> 0.5 – 5.0secondsElectrical current check: Feedback current out of range <strong>for</strong> 0.5 secondsISIG functional check: ISIG chip hardware circuit does not detect characteristic current dip and rise producedby solenoid movement.Mechanical check, stuck off: Slip across torque converter > 100 – 200 rpm or speed ratio < 0.93Mechanical check, stuck on: Slip across torque converter < 20 rpm with converter commanded offMechanical check, stuck on: engine rpm < 100 after drive engagement (engine stall)FORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 101 OF 131
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