Selecting Parameter Identification (PID)

Parameter Identification (PID)

The Parameter Identification (PID) mode allows access to certain data values, analog and digital inputs and outputs, calculated values, and system status information. Throughout the manual, there will be references to PID values. PID Data Monitor and Record can be accessed from the Rotunda New Generation Star (NGS) Tester 007-00500 (or equivalent) through the Diagnostic Data Link menu.

Selecting Parameter Identification (PID)

Connect the NGS Tester to the DLC under the dash. Turn off accessories. If vehicle is equipped with an auxiliary powertrain control (rpm control), it must be turned off to perform self tests.


- Perform the necessary vehicle preparation and visual inspection. Refer to Quick Test Operation. Quick Test Operation

- SELECT CORRECT VEHICLE, YEAR and MODEL.

- Select DIAGNOSTIC DATA LINK.

- Select PCM - POWERTRAIN CONTROL MODULE.

- Select PID/DATA MONITOR AND RECORD.

- Turn key on or start vehicle.

- Follow operating instructions from the menu.

- Select the PIDs, press START to begin monitoring.