Generic OBD PID List
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Milan, and 2006 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
GENERIC OBD PID DESCRIPTION CHART
| Freeze Frame | Acronym | Description | Measurement Units | ||||
|---|---|---|---|---|---|---|---|
| X | AAT | Ambient Air Temperature | Degrees | ||||
| X | AIR | Secondary Air Status | On/Off | ||||
| X | APP_D | Accelerator Pedal Position D | % | ||||
| X | APP_E | Accelerator Pedal Position E | % | ||||
| X | APP_F | Accelerator Pedal Position F | % | ||||
| X | CATEMP11 | Catalyst Temperature Bank 1, Sensor 1 | Degrees | ||||
| X | CATEMP12 | Catalyst Temperature Bank 1, Sensor 2 | Degrees | ||||
| X | CATEMP21 | Catalyst Temperature Bank 2, Sensor 1 | Degrees | ||||
| X | CATEMP22 | Catalyst Temperature Bank 2, Sensor 2 | Degrees | ||||
| CLR_DST | Distance since codes cleared | Km | |||||
| CCNT | Continuous DTC Counter | Unitless | |||||
| X | ECT | Engine Coolant Temperature | Degrees | ||||
| X | EGR_PCT | Commanded EGR | % | ||||
| X | EGR_ERR | EGR Error | % | ||||
| X | EVAP_PCT | Commanded Evaporative Purge | % | ||||
| X | EVAP_VP | Evaporative System Vapor Pressure | Pa | ||||
| X | EQ_RAT | Commanded Equivalence Ratio | Unit | ||||
| X | FUEL SYS1 | Fuel System Feedback Control Status-Bank 1 | OL/CL/OL DRIVE (1)/OL FAULT/CL FAULT | ||||
| X | FUEL SYS2 | Fuel System Feedback Control Status-Bank 2 | OL/CL/OL DRIVE (1) /OL FAULT/CL FAULT | ||||
| IAT | Intake Air Temperature | Degrees | |||||
| X | LOAD (2) | Calculated Engine Load | % | ||||
| X | LOAD_ABS | Absolute Load Value | % | ||||
| X | LONGFT1 | Current Bank 1 Fuel Trim Adjustment (kamref1) From Stoichiometry Which Is Considered Long Term | % | ||||
| X | LONGFT2 | Current Bank 2 Fuel Trim Adjustment (kamref2) From Stoichiometry Which Is Considered Long Term | % | ||||
| X | MAF | Mass Air Flow Rate | gm/s-lb/min | ||||
| MIL_DIST | Distance traveled with MIL on | Kilometer | |||||
| X | O2S11 | Bank 1 Upstream Oxygen Sensor (11) | Volts | ||||
| X | O2S12 | Bank 1 Downstream Oxygen Sensor (12) | Volts | ||||
| X | O2S13 | Bank 1 Downstream Oxygen Sensor (13) | Volts | ||||
| X | O2S21 | Bank 2 Upstream Oxygen Sensor (21) | Volts | ||||
| X | O2S22 | Bank 2 Downstream Oxygen Sensor (22) | Volts | ||||
| X | O2S23 | Bank 2 Downstream Oxygen Sensor (23) | Volts | ||||
| OBDSUP | On-Board Diagnostic System | OBD II OBD I OBD Combination of or None |
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| X | PTO | Power Take-Off Status | On/Off | ||||
| X | RPM | Revolutions per Minute | RPM | ||||
| X | RUNTM | Run time | Seconds | ||||
| X | SHRTFT1 | Current Bank Fuel Trim Adjustment (lambse1) From Stoichiometry Which Is Considered Short Term | % | ||||
| X | SHRTFT2 | Current Bank 2 Fuel Trim Adjustment (lambse1) From Stoichiometry Which Is Considered Short Term | % | ||||
| X | SPARKADV | Spark Advance Requested | Degrees | ||||
| X | SPARK_ACT | Spark Advance Actual | Degrees | ||||
| % | TAC_PCT | Commanded Throttle Actuator | % | ||||
| X | TP | Throttle Position | % | ||||
| X | TP_R | Relative Throttle Position | % | ||||
| X | WARM_UPS | Number of warm ups since codes cleared | Units | ||||
| VSS | Vehicle Speed Sensor | km/h-mph | |||||
An X in the Freeze Frame column denotes both a mode 1 and mode 2 PID (real time and freeze frame).
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CL = Closed loop using HO2S(s) as feedback for fuel control.
OL DRIVE = Open loop due to driving conditions (heavy acceleration).
OL FAULT = Open loop due to fault with all upstream HO2S sensors.
CL FAULT = Closed loop fuel control, but fault with one upstream HO2S sensor on dual bank vehicles.