GM Service Manual Online
For 1990-2009 cars only

Digital Radio Receiver Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

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).