Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

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.
ADS A/D: The scan tool displays the electronic frontal sensor (EFS) signal input into the SDM. The scan tool will always display 10 volts because the ADS monitoring is disabled.
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 belt is buckled or unbuckled.
Driver Side Impact Sensor (SIS) ID: The scan tool displays the driver SIS ID that is sent to the SDM when the ignition is turned ON.
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: This number represents the day of the year that the module was built.
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.