Scan Tool Data Definitions

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 an 8-digit part number. This number is the GM part number that is stored within the sensing and diagnostic module (SDM) memory.

ADS A/D

The scan tool displays 0-20 volts. This is the auxiliary discriminating sensor signal input signal into the SDM.

ADS Monitoring

The scan tool displays whether the ADS Monitoring is enabled or disabled.

Calibration ID

The scan tool displays a 4-digit number. This calibration ID is the check sum of the SDM read only memory contents.

Component Serial Number

The scan tool displays the SDM component serial number.

Driver Side Belt Status

The scan tool displays whether the driver seat belt 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 a 4-digit number. This number is the programmable read-only memory (PROM) ID.

Year Module Built

The scan tool displays what year the module was built.