GM Service Manual Online
For 1990-2009 cars only

Digital Radio Receiver Scan Tool Data Parameters

Parameter

Expected Value

Definition

Operating Conditions: Ignition ON/Engine OFF/Radio ON

Battery Voltage

Varies

This displays volts. This is the voltage input supplied to the digital radio receiver.

Ignition Counter

Varies

This displays the number of times the ignition has been cycled from the OFF to ON position.

Power Mode

Run

The scan tool displays Reserved, Off Battery Save, Off Asleep, Off Awake, Unlock, RAP Unlock, Accessory, Run, Crank, or RAP. The status of the vehicle power mode (ignition switch).