Generic OBD-II PIDs
If a generic OBD-II scan tool is used it may require PID references to be entered. See GENERIC PID DEFINITION table. Turn ignition off. Ensure test equipment is properly attached. Program scan tool using the following steps:
- Select vehicle and engine selection menu (optional).
- Select year, engine, model and any additional information requested by scan tool (optional).
- Select GENERIC OBD-II OPTIONS. Press CONT button if monitors are not complete.
- Select PID/DATA MONITOR.
- Turn ignition on or if necessary, start engine and allow to idle.
- Follow operating instructions from scan tool menu.
- Select PIDs and press START.
GENERIC PID DEFINITION
| Acronym | Description | PID Values | ||
|---|---|---|---|---|
| CCNT (1) | O2S Sensor Voltage Cross Count | Unitless | ||
| ECT (1) | Engine Coolant Temperature | Degrees | ||
| FUEL SYS1 (1) | Fuel System Status - Bank No.1 | OL/CL/OL; Drive/OL; Fault/CL; Fault/OL | ||
| FUEL SYS2 (1) | Fuel System Status - Bank No. 2 | OL/CL/OL; Drive/OL; Fault/CL; Fault/OL | ||
| OBD SUP (1) | Level Of On-Board Diagnostic Support | Unitless | ||
| O2S11 | Oxygen Sensor 11 | Volts | ||
| O2S12 | Oxygen Sensor 12 | Volts | ||
| IAT | Intake Air Temperature | Degrees | ||
| LONGFT1 (1) | Long Term Fuel Trim Bank 1 | Percent | ||
| LOAD (1) | Calculated Engine Load | Percent | ||
| MAF (1) | Mass Airflow Rate | LB/M | ||
| MAP (1) | Manifold Air Pressure | in-Hg (mm-Hg) | ||
| MIL (1) | Malfunction Indicator Light | ..... | ||
| RPM (1) | Engine RPM | RPM | ||
| SHRTFT1 (1) | Short Term Fuel Trim Bank 1 | Percent | ||
| SHRTFT11 (1) | Short Term Fuel Trim O2S 11 | Percent | ||
| SHRTFT12 (1) | Short Term Fuel Trim O2S 12 | Percent | ||
| SPARKADV | Spark Advance Cylinder No. 1 | Degrees | ||
| TP | Throttle Position | Percent | ||
| VSS (1) | Vehicle Speed Sensor | MPH (km/h) | ||
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