Generic OBD II PID List
GENERIC OBD II PID LIST
| Freeze Frame | Acronym | Description | Measurement Units | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AIR | Secondary Air Status | ON/OFF | |||||||||||||||
| CCNT | Continuous DTC Counter | Unitless | |||||||||||||||
| (1) | ECT | Engine Coolant Temperature | DEGREES | ||||||||||||||
| (1) | FUEL SYS1 | Fuel System Feedback Control Status-Bank 1 | OL/CL/OL DRIVE (2) / OL FAULT/ CL FAULT | ||||||||||||||
| (1) | FUEL SYS2 | Fuel System Feedback Control Status-Bank 2 | OL/CL/OL DRIVE (2) /OL FAULT/ CL FAULT | ||||||||||||||
| IAT | Intake Air Temp | DEGREES | |||||||||||||||
| (1) | LOAD (3) | Calculated Engine Load | Percent | ||||||||||||||
| (1) | LONG FT1 | Current BANK 1 fuel trim adjustment (kamref1) from stoichiometry which is considered LONG TERM. | Percent | ||||||||||||||
| (1) | LONG FT2 | Current BANK 2 fuel trim adjustment (kamref2) from stoichiometry which is considered LONG TERM. | Percent | ||||||||||||||
| MAF | Mass Air Flow Rate | GM/SEC-LB/ MIN | |||||||||||||||
| O2S11 O2S12 |
Bank 1 Upstream Oxygen Sensor (11) Bank 1 Downstream Oxygen Sensor (12) |
VOLTS VOLTS |
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| O2S21 | Bank 2 Upstream Oxygen Sensor (21) | VOLTS | |||||||||||||||
| O2S22 | Bank 2 Downstream Oxygen Sensor (22) | VOLTS | |||||||||||||||
| OBD SUP | On-Board Diagnostic System | Cal. OBD II 50 States OBD II OBD I and OBD II OBD I None | |||||||||||||||
| PTO | Power Take-Off Status | ON/OFF | |||||||||||||||
| (1) (1) |
RPM SHRT FT1 |
Revolutions Per Minute Current BANK fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. |
RPM Percent |
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| SHRT FT11(4) | Current BANK fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. | Percent | |||||||||||||||
| SHRT FT12(5) | Current BANK 1 fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. | Percent | |||||||||||||||
| (1) | SHRT FT2 | Current BANK 2 fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. | Percent | ||||||||||||||
| (1) | SHRT FT21(6) | Current BANK 2 fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. | Percent | ||||||||||||||
| (1) | SHRT FT22(7) | Current BANK 2 fuel trim adjustment (lambse1) from stoichiometry which is considered SHORT TERM. | Percent | ||||||||||||||
| SPARKADV | Spark Advance Cylinder No. 1 | DEGREES | |||||||||||||||
| TP | Throttle Position | Percent | |||||||||||||||
| (1) | VSS | Vehicle Speed Sensor | MPH-KM/H | ||||||||||||||
CL = Closed loop using O2S(s) as feedback for fuel control. OL DRIVE = Open loop due to driving conditions (heavy accel). OL FAULT = Open loop due to fault with all upstream O2S sensors. CL FAULT = Closed loop fuel control, but fault with one upstream O2S sensor on dual bank vehicles. |
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