The SIR scan tool data definitions contain a brief description of all SIR related parameters available on the scan tool. The parameters that are available on the scan tool are listed below in alphabetical order.

8-Digit GM Part Number: The scan tool displays the GM part number that is stored within the SDM memory.

Calibration ID: The scan tool displays the calibration ID, which is the check sum of the SDM read only memory contents.

Component Serial Number: The scan tool displays the SDM component serial number that is stored within the SDM.

Driver Side Belt Status: The scan tool displays whether the driver seat is buckled or unbuckled.

Ignition Voltage: The scan tool displays 0 - 20 volts. This is the system voltage measured by the SDM between the ignition input and ground.

Julian Date of Build: The scan tool displays a 3-digit number. An example would be 723. 723 is July 23 which is day 204 based on the Julian Calendar.

PROM ID: The scan tool displays the programmable read-only memory (PROM) ID.

Year Module Built: The scan tool displays what year the module was built.