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 Frontal Loop: The scan tool displays whether the inflatable restraint steering wheel module deployment loop is enabled or disabled.

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 maesured 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.

Lamp in Current State: The scan tool displays the number of cycles that the AIR BAG indicator has been turned ON.

Passenger Frontal Loop: The scan tool displays whether the inflatable restraint IP module deployment loop is enabled or disabled.

Passenger Side Belt Status: The scan tool displays whether the passenger seat belt is buckled or unbuckled.

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

Warning Lamp ON/OFF Timer: The scan tool displays, in minutes, that the AIR BAG indicator has been turned ON.

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