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
Glow Plug Circuit Open Load Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0671 – Cylinder 1 Glow Plug Circuit / OpenP0672 – Cylinder 2 Glow Plug Circuit / OpenP0673 – Cylinder 3 Glow Plug Circuit / OpenP0674 – Cylinder 4 Glow Plug Circuit / OpenP0675 – Cylinder 5 Glow Plug Circuit / OpenP0676 – Cylinder 6 Glow Plug Circuit / OpenP0677 – Cylinder 7 Glow Plug Circuit / OpenP0678 – Cylinder 8 Glow Plug Circuit / OpenP20B9 – Reductant Heater "A" Control Circuit / OpenP20BD – Reductant Heater "B" Control Circuit / OpenP20C1 – Reductant Heater "C" Control Circuit / OpenGlow plugs in heating mode. Heaters operationalnonenone~1 second to register a malfunctionGlow Plug Circuit Open Load: Malfunction Thresholds:Individual glow plug circuit current < 1 A, Individual reductant heater circuit current < .2 AGlow Plug Circuit Short to Battery Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP066B – Cylinder 1 Glow Plug Circuit HighP066D – Cylinder 2 Glow Plug Circuit HighP066F – Cylinder 3 Glow Plug Circuit HighP067B – Cylinder 4 Glow Plug Circuit HighP067D – Cylinder 5 Glow Plug Circuit HighP067F – Cylinder 6 Glow Plug Circuit HighP068D – Cylinder 7 Glow Plug Circuit HighP068F – Cylinder 8 Glow Plug Circuit HighP20BC – Reductant Heater "A" Control Circuit HighP20C0 – Reductant Heater "B" Control Circuit HighP20C4 – Reductant Heater "C" Control Circuit HighGlow plugs in heating mode. Heaters operationalnonenone~1 second to register a malfunction for glow plugs250 ms to register a malfunction for the reductant heatersFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 138 OF 157
Glow Plug Circuit Short to Battery: Malfunction Thresholds:Individual glow plug circuit = 0 Amps current, Individual reductant heater circuit = 0 Amps currentGlow Plug Circuit Short to Ground Check Operation:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP066A – Cylinder 1 Glow Plug Circuit LowP066C – Cylinder 2 Glow Plug Circuit LowP066E – Cylinder 3 Glow Plug Circuit LowP067A – Cylinder 4 Glow Plug Circuit LowP067C – Cylinder 5 Glow Plug Circuit LowP067E – Cylinder 6 Glow Plug Circuit LowP068C – Cylinder 7 Glow Plug Circuit LowP068E – Cylinder 8 Glow Plug Circuit LowP20BB – Reductant Heater "A" Control Circuit LowP20BF – Reductant Heater "B" Control Circuit LowP20C3 – Reductant Heater "C" Control Circuit LowGlow plugs in heating mode. Heaters operational.nonenone~3 second to register a malfunction for glow plugs250 ms to register a malfunction for the reductant heatersGlow Plug Circuit Short to Battery: Malfunction Thresholds:Individual glow plug circuit > 20 Amps current > 1 secondIndividual glow plug circuit > 70 Amps current for > .2 msReductant heater relay (circuit "A" & "B") > 15 Amps current > 250 msReductant heater relay (circuit "C") > 6 Amps current > 250 msFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 139 OF 157
- Page 88 and 89: Engine Coolant & Engine Oil Correla
- Page 90 and 91: Engine Oil Temperature (EOT) Sensor
- Page 92 and 93: Typical Camshaft and Crankshaft Sen
- Page 94 and 95: Typical Fan and Fan Speed Sensor Ch
- Page 96 and 97: MAF Rationality CheckA rationality
- Page 98 and 99: Mass Air Flow Sensor Plausibility C
- Page 100 and 101: Reductant Pressure Sensor Signal Ra
- Page 102 and 103: DEF System Pressure ControlDEF pres
- Page 104 and 105: Reductant Tank Level Sensor Circuit
- Page 106 and 107: Reductant Tank Temperature Circuit
- Page 108 and 109: Exhaust Gas Temperature Sensor Rati
- Page 110 and 111: Exhaust Gas Temperature Rationality
- Page 112 and 113: Diesel Particulate Filter Pressure
- Page 114 and 115: Typical Actuator Jammed Valve Entry
- Page 116 and 117: ECB Valve Actuator Signal Range Che
- Page 118 and 119: Reductant Pump MotorThe Reductant P
- Page 120 and 121: Reductant Pump Motor Circuit Checks
- Page 122 and 123: Reductant Dosing Valve Circuit Chec
- Page 124 and 125: Reverting ValveIn order to reverse
- Page 126 and 127: Urea HeatersAqueous urea water solu
- Page 128 and 129: Additional plausibility check for h
- Page 130 and 131: Engine Control Unit (ECU) Monitor O
- Page 132 and 133: Typical Engine Control Unit (ECU) M
- Page 134 and 135: Lack of Communication Codes:CAN Com
- Page 136 and 137: Glow PlugsThe diesel engine uses gl
- Page 140 and 141: Glow Plug Circuit Resistance Out of
- Page 142 and 143: Miscellaneous ECU Errors:VID Block
- Page 144 and 145: Most vehicle applications no longer
- Page 146 and 147: Transmission Fluid Temperature Sens
- Page 148 and 149: Shift Solenoid Functional Check Ope
- Page 150 and 151: Pressure Control Solenoid Check Ope
- Page 152 and 153: Transmission OutputsShift Solenoids
- Page 154 and 155: On Board Diagnostic ExecutiveThe On
- Page 156 and 157: I/M Readiness CodeThe readiness fun
Glow Plug Circuit Open Load Check <strong>Operation</strong>:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0671 – Cylinder 1 Glow Plug Circuit / OpenP0672 – Cylinder 2 Glow Plug Circuit / OpenP0673 – Cylinder 3 Glow Plug Circuit / OpenP0674 – Cylinder 4 Glow Plug Circuit / OpenP0675 – Cylinder 5 Glow Plug Circuit / OpenP0676 – Cylinder 6 Glow Plug Circuit / OpenP0677 – Cylinder 7 Glow Plug Circuit / OpenP0678 – Cylinder 8 Glow Plug Circuit / OpenP20B9 – Reductant Heater "A" Control Circuit / OpenP20BD – Reductant Heater "B" Control Circuit / OpenP20C1 – Reductant Heater "C" Control Circuit / OpenGlow plugs in heating mode. Heaters operationalnonenone~1 second to register a malfunctionGlow Plug Circuit Open Load: Malfunction Thresholds:Individual glow plug circuit current < 1 A, Individual reductant heater circuit current < .2 AGlow Plug Circuit Short to Battery Check <strong>Operation</strong>:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP066B – Cylinder 1 Glow Plug Circuit HighP066D – Cylinder 2 Glow Plug Circuit HighP066F – Cylinder 3 Glow Plug Circuit HighP067B – Cylinder 4 Glow Plug Circuit HighP067D – Cylinder 5 Glow Plug Circuit HighP067F – Cylinder 6 Glow Plug Circuit HighP068D – Cylinder 7 Glow Plug Circuit HighP068F – Cylinder 8 Glow Plug Circuit HighP20BC – Reductant Heater "A" Control Circuit HighP20C0 – Reductant Heater "B" Control Circuit HighP20C4 – Reductant Heater "C" Control Circuit HighGlow plugs in heating mode. Heaters operationalnonenone~1 second to register a malfunction <strong>for</strong> glow plugs250 ms to register a malfunction <strong>for</strong> the reductant heatersFORD MOTOR COMPANY REVISION DATE: FEBRUARY 9, 2012 09.01.00.02-PAGE 138 OF 157
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