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
0.040” EVAP Monitor Operation:DTCsMonitor executionMonitor SequenceSensors/Components OKMonitoring DurationP0455 (gross leak),P1450 (excessive vacuum),P0457 (gross leak, cap off),P0442 (0.040” leak)once per driving cycleHO2S monitor completed and OKMAF, IAT, VSS, ECT, CKP, TP, FTP, VMV, CVS360 seconds (see disablement conditions below)Typical 0.040” EVAP monitor entry conditions, Phases 0 through 4:Entry condition Minimum MaximumEngine off (soak) time6 hoursTime since engine start-up 330 seconds 1800 to 2700secondsIntake Air Temp 40 o F 90 - 100 o FBARO ( 20%Change in tank pressure: > 1 “ H 2 OChange in fuel fill level: > 15%Number of aborts: > 20 (may be up to 255)Typical 0.040 EVAP monitor malfunction thresholds:P1450 (Excessive vacuum): < -8.0 in H 2 O over a 30 second evaluation time or > -4. in H 2 O vapor generationP0455 (Gross leak): > -8.0 in H 2 O over a 30 second evaluation time.P0457 (Gross leak, cap off): > -8.0 in H 2 O over a 30 second evaluation time after a refueling event.P0442 (0.040” leak): > 2.5 in H 2 O bleed-up over a 15 second evaluation time at 75% fuel fill. (Note: bleed-upand evaluation times vary as a function of fuel fill level and ambient air temperature)P0442 vapor generation limit: < 2.5 in H 2 O over a 120 second evaluation timeFORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 18 OF 131
J1979 Evaporative System Mode $06 DataTest ID Comp ID Description Units$26 $00 Phase 0 Initial tank vacuum and minimum limit in H 2 0$26 $00 Phase 0 Initial tank vacuum and maximum limit in H 2 0$27 $00 Phase 2 0.040” cruise leak check vacuum bleed-up and maxthreshold$2A $00 Phase 4 Vapor generation maximum change in pressure and maxthreshold$2B $00 Phase 4 Vapor generation maximum absolute pressure rise and maxthresholdin H 2 0in H 2 0in H 2 0Conversion for Test IDs $26 through $2B: Take value, subtract 32,768, and then multiply result by 0.00195 toget inches of H 2 0. The result can be positive or negative.Note: Default values (-64 in H 2 0) will be display for all the above TIDs if the evap monitor has nevercompleted. If all or some phases of the monitor have completed on the current or last driving cycle, defaultvalues will be displayed for any phases that had not completed.Test ID Comp ID Description Units$61 $00 Phase 0 Initial tank vacuum and minimum vacuum limit (data forP1450 – excessive vacuum)$62 $00 Phase 4 Vapor generation minimum change in pressure andminimum vacuum limit (data for P1450, VMV stuck open)$63 $00 Phase 0 Initial tank vacuum and gross leak maximum vacuum limit(data for P0455/P0457 – gross leak/cap off)$64 $00 Phase 2 0.040” cruise leak check vacuum bleed-up and maximumvacuum limit (data for P0442 – 0.040" leak)in H 2 0in H 2 0in H 2 0in H 2 0Conversion for Test IDs $61 through $64: Take value, subtract 32,768, and then multiply result by 0.00195 toget inches of H 2 0. The result can be positive or negative.Note: Default values (0.0 in H 2 0) will be displayed for all the above TIDs if the evap monitor has nevercompleted. Each TID is associated with a particular DTC. The TID for the appropriate DTC will be updatedbased on the current or last driving cycle, default values will be displayed for any phases that have notcompleted.FORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 19 OF 131
- Page 1: 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 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
J1979 Evaporative <strong>System</strong> Mode $06 DataTest ID Comp ID Description Units$26 $00 Phase 0 Initial tank vacuum and minimum limit in H 2 0$26 $00 Phase 0 Initial tank vacuum and maximum limit in H 2 0$27 $00 Phase 2 0.040” cruise leak check vacuum bleed-up and maxthreshold$2A $00 Phase 4 Vapor generation maximum change in pressure and maxthreshold$2B $00 Phase 4 Vapor generation maximum absolute pressure rise and maxthresholdin H 2 0in H 2 0in H 2 0Conversion <strong>for</strong> Test IDs $26 through $2B: Take value, subtract 32,768, and then multiply result by 0.00195 toget inches of H 2 0. The result can be positive or negative.Note: Default values (-64 in H 2 0) will be display <strong>for</strong> all the above TIDs if the evap monitor has nevercompleted. If all or some phases of the monitor have completed on the current or last driving cycle, defaultvalues will be displayed <strong>for</strong> any phases that had not completed.Test ID Comp ID Description Units$61 $00 Phase 0 Initial tank vacuum and minimum vacuum limit (data <strong>for</strong>P1450 – excessive vacuum)$62 $00 Phase 4 Vapor generation minimum change in pressure andminimum vacuum limit (data <strong>for</strong> P1450, VMV stuck open)$63 $00 Phase 0 Initial tank vacuum and gross leak maximum vacuum limit(data <strong>for</strong> P0455/P0457 – gross leak/cap off)$64 $00 Phase 2 0.040” cruise leak check vacuum bleed-up and maximumvacuum limit (data <strong>for</strong> P0442 – 0.040" leak)in H 2 0in H 2 0in H 2 0in H 2 0Conversion <strong>for</strong> Test IDs $61 through $64: Take value, subtract 32,768, and then multiply result by 0.00195 toget inches of H 2 0. The result can be positive or negative.Note: Default values (0.0 in H 2 0) will be displayed <strong>for</strong> all the above TIDs if the evap monitor has nevercompleted. Each TID is associated with a particular DTC. The TID <strong>for</strong> the appropriate DTC will be updatedbased on the current or last driving cycle, default values will be displayed <strong>for</strong> any phases that have notcompleted.FORD MOTOR COMPANY REVISION DATE: APRIL 28, 2004 PAGE 19 OF 131
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