2002 MY OBD-II System Operation Summary - MotorCraftService.com

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Output Shaft Speed Sensor Functional Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0720continuousnone30 secondsTypical OSS functional check entry conditions:Auto Transmission Entry Conditions Minimum MaximumGear selector positionEngine rpm (above converter stall speed) ORTurbine shaft rpm (if available) OROutput shaft rpmVehicle speed (if available)drive3000 rpm1500 rpm650 rpm15 mphTypical OSS functional check malfunction thresholds:Vehicle is inferred to be moving with positive driving torque and OSS < 100 to 200 rpm for 5 secondsTurbine Shaft Speed Sensor Functional Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0715continuousnone30 secondsTypical TSS functional check entry conditions:Auto Transmission Entry Conditions Minimum MaximumGear selector positionEngine rpm (above converter stall speed) ORTurbine shaft rpm (if available) OROutput shaft rpmVehicle speed (if available)Torque converter lock-up (some applications)drive3000 rpm1500 rpm650 rpm15 mph3 rd gear onlyTypical TSS functional check malfunction thresholds:vehicle is inferred to be moving with positive driving torque and TSS < 200 rpm for 5 secondsFORD MOTOR COMPANY REVISION DATE: OCTOBER 02, 2001 PAGE 46 OF 66
Transmission Fluid Temperature Sensor Functional Check Operation:DTCs (non-MIL)Monitor executionMonitor SequenceSensors OKMonitoring DurationP0712, P0713 (open/short)P1713,(stuck low), P1718 (stuck high)continuousnone(ECT substituted if TFT has malfunction)5 seconds for electrical, 600 seconds for functional checkTypical TFT functional 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 torqueTime with engine off (soak time)Vehicle Speed500 sec150 sec420 min15 mphTypical TFT malfunction thresholds:Electrical check:TFT voltage 4.6 volts for 5 secondsTFT functional check (TFT stuck at high temperature or stuck at low temperature):< 6 o F rise or fall in TFT after startupFORD MOTOR COMPANY REVISION DATE: OCTOBER 02, 2001 PAGE 47 OF 66
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2002 MY OBD-II System Operation Summary - MotorCraftService.com

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