For FMEM, uses IAT as initial value, then ramps to thermostat regulating temperature.Įngine Coolant Temperature (raw A/D counts, before any FMEM substitution).
Total number of fault codes and pending codesĮngine Coolant Temperature, after FMEM substitution, being used by PCM strategy.
Should switch state when APP is approximately 0.2-0.3 Volts higher than base idle postiion.ġ=secondary spark plugs enabled (Dual Plug Ignition System) To convert A/D counts to volts, divide by 1024, then multiply by 5.0ġ=cylinder head temperature is currently unreliableġ=cylinder head temperature indicator light commanded onġ=in Camshaft Position sensor failure modeĠh - Off, 1h - Standby, 2h - Active, 3h - Tap up, 4h - Set/Accel, 5h - Tap down, 6h - Coast Steady State cat monitor measured frequency, bank 2ġ=Comprehensive components monitor completed this driving cycleĬylinder Head Temperature (raw A/D counts, before any FMEM substitution). Steady State cat monitor measured frequency, bank 1 Steady State cat monitor threshold frequency, bank 2ġ=Catalyst monitor completed this driving cycle Steady State cat monitor threshold frequency, bank 1Īpplies to 94, 95 and some 96 MY vehicles only. Used by 1995 and later 7.3L diesel trucksĬase Ground for hardwired Fuel Level Input 5 psiīARO Sensor voltage, used by 1996 and later 7.3L diesel trucks Lower than normal barometric pressure can indicate a contaminated MAF sensor.)Īt Key On Engine Off, BARO, MAP, and EBP should all read 14.7 psi at sea level and should all agree within. A/C Clutch Commanded on 1 = A/C on, 0 = A/C off (A/C status determines which IACTx cell is used)ġ=AC Clutch primary circuit monitor is highġ= indicates that the AC compressor should not operate.Ī/C Post Evaporator Air Temperature VoltageĪ/C Pressure Sensor (raw A/D counts) To convert A/D counts to volts, divide by 1024, then multiply by 5.0)Ġ1= Gasoline Mode, 06 = Alternative Fuel (Normal Operation)Īncillary Desired Engine Speed (may cover vehicle speed control, battery charging, power take-off, etc.)īarometric Pressure (Calculated value based on throttle position and rpm at high throttle openings.
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