OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

OBD Operation Summary for 6.7L Diesel - MotorCraftService.com OBD Operation Summary for 6.7L Diesel - MotorCraftService.com

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Fuel Pressure Control Valve (PCV) Monitor Operation:DTCsMonitor ExecutionMonitor SequenceSensors OKTypical Monitoring DurationP0089 - Fuel Pressure Regulator PerformanceP0090 - Fuel Pressure Regulator Control CircuitP0091 - Fuel Pressure Regulator Control Circuit LowP0092 - Fuel Pressure Regulator Control Circuit HighContinuousNoneNone0.3 secTypical Fuel Pressure Control Valve Monitor Malfunction Thresholds:P0089 – Temperature of power stage driver on ECM is > 170 deg CP0090 – The pressure control valve is not energized and the voltage from the pressure control valve controlchip is in the range 2.8 – 4.8 V (normal operation: electrical system voltage (~13.5V)P0091 – The pressure control valve is not energized and the voltage from the pressure control valve controlchip is less than 2.8V (normal operation: electrical system voltage (~13.5V)P0092 – The pressure control valve is energized and the observed current to the pressure control valveexceeds 5.1A (normal operation: 3.7A maximum)FORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 26 OF 157

Fuel Low Pressure Lift Pump Monitor Operation:DTCsMonitor ExecutionMonitor SequenceSensors OKTypical Monitoring DurationP0627 - Fuel Pump "A" Control Circuit / OpenP0628 - Fuel Pump "A" Control Circuit LowP0629 - Fuel Pump "A" Control Circuit HighP062A – Fuel Pump "A" Control Circuit Range/PerformanceContinuousNoneNoneP0627, P0628, P0629 - 0.2 secP062A – 0.5 secTypical Fuel Low Pressure Lift Pump Monitor Malfunction Thresholds:P0627 – Lift pump NOT energized and the voltage from the lift pump control chip is between 2.8 – 4.8V (normaloperation: electrical system voltage ~13.5V)P0628 – Lift pump NOT energized and the voltage from the lift pump control chip is less than 2.8V (normaloperation: electrical system voltage ~13.5V)P0629 – Lift pump energized and the current to the lift pump exceeds 3.7A (normal operation: 2.2A maximum)P062A – If the airbag deployment module sends a deployment signal and the fuel pump shows as energizedvia the fuel pump monitor signal or the status of the energizing request to the fuel pump and the monitoringsignal from the fuel pump does not matchFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 27 OF 157

Fuel Pressure Control Valve (PCV) Monitor <strong>Operation</strong>:DTCsMonitor ExecutionMonitor SequenceSensors OKTypical Monitoring DurationP0089 - Fuel Pressure Regulator Per<strong>for</strong>manceP0090 - Fuel Pressure Regulator Control CircuitP0091 - Fuel Pressure Regulator Control Circuit LowP0092 - Fuel Pressure Regulator Control Circuit HighContinuousNoneNone0.3 secTypical Fuel Pressure Control Valve Monitor Malfunction Thresholds:P0089 – Temperature of power stage driver on ECM is > 170 deg CP0090 – The pressure control valve is not energized and the voltage from the pressure control valve controlchip is in the range 2.8 – 4.8 V (normal operation: electrical system voltage (~13.5V)P0091 – The pressure control valve is not energized and the voltage from the pressure control valve controlchip is less than 2.8V (normal operation: electrical system voltage (~13.5V)P0092 – The pressure control valve is energized and the observed current to the pressure control valveexceeds 5.1A (normal operation: 3.7A maximum)FORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 26 OF 157

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