GM Service Manual Online
For 1990-2009 cars only

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.

Accelerometer A/D: The scan tool displays G/s.

ADS Input Status: The scan tool displays present or not present.

Driver Seatbelt: The scan tool displays Buckled or Unbuckled. Indicates the current status of the drivers seatbelt.

Ignition 1: The scan tool displays 0 to 30 Volts. The voltage measured between the module's battery positive voltage circuit and ground circuit.

Ignition Cycles: The scan tool displays the number of igntion cycles.

Lamp On Time: The scan tool displays the SDM operating time in hours.

PRESF A/D Input: The scan tool displays 0 to 30 Volts.

Platform ID: The scan tool displays the vehicle platform character ID.

Module ID: The scan tool displays a 4-digit number. This number is the module ID.

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

SIR Warning Lamp: The scan tool displays Off or On. Indicates if the SDM is commanding the SIR indicator ON.