GM Service Manual Online
For 1990-2009 cars only

Radio Scan Tool Information Base Radio

Table 1: Radio Scan Tool Data Parameters
Table 2: Radio Scan Tool Output Controls

Radio Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON

Antenna Module

--

Enabled

The scan tool displays Enabled or Disabled. This is the state of the antenna module.

Battery Voltage Signal

--

Varies

This displays Volts. This is the current battery voltage signal.

Theft Armed

--

Learned VIN

The scan tool displays Learned VIN or No VIN. Learned VIN is displayed if the radio has the VIN stored in memory.

Theft Lock Status

--

Inactive

The scan tool displays Active or Inactive. This is the status of the theft lock.

Radio Scan Tool Output Controls

Output Control

Description

Antenna

This output control is used to command the antenna.

Left Front Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Left Rear Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Radio Setup

This output control is used to setup the radio.

Right Front Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Right Rear Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Radio Scan Tool Information Uplevel Radio

Table 1: Radio Scan Tool Data Parameters
Table 2: Radio Scan Tool Output Controls

Radio Scan Tool Data Parameters

Parameter

System State

Expected Value

Description

Operating Conditions: Ignition ON, Radio OFF

Antenna Module

--

Enabled

The scan tool displays Enabled or Disabled. This is the state of the antenna module.

Auto Volume Control

--

Off

The scan tool displays On or Off. This is the state of the automatic volume control.

Band Status

--

Varies

The scan tool displays FM1, FM2, AM, XM1 or XM2. This is the current band status.

Battery Voltage Signal

--

Varies

This displays Volts. This is the current battery voltage signal.

Cassette Deck H.W. Level

--

Varies

This displays a numeric value.

Cassette Deck H.W. Level

--

Varies

This displays a numeric value.

Cassette Inserted

--

Varies

The scan tool displays Yes or No. Yes is displayed if a cassette is in the radio.

Cassette Tape Side

--

Varies

The scan tool displays Top or Bottom. This is the current side the cassete tape is playing.

CD Changer H.W. Level

--

Varies

This displays a numeric value.

CD Changer S.W. Level

--

Varies

This displays a numeric value.

CD Inserted

--

Varies

The scan tool displays Yes or No. Yes is displayed if a CD is inserted.

CD Selected - ICDX

--

Varies

The scan tool displays Disc 1-6 or None.

DRR

--

Present

The scan tool displays Present or Not Present. This is the status of the digital radio receiver (DRR).

ICDX

--

Varies

The scan tool displays Present or Not Present.

Ign. Cycles Since last DTC

--

Varies

This displays a numeric value. This is the number of ignition cycles since the last DTC was set.

Metal Tape Cassette

--

Varies

The scan tool displays Yes or No. Yes is displayed if a metal tape cassette is inside the radio.

Personalization Status

--

Varies

The scan tool displays Driver 1, Driver 2 or Unknown. This is the current personalization state.

Phone Signal

--

Present

The scan tool displays Present or Not Present. This is the state of the phone signal.

Preset Status

--

Varies

The scan tool displays Preset 1-6 or Not A Preset.

Radio Signal Strength

--

Varies

This displays dB. This is the current radio signal strength measured in decibels.

RSE

--

Varies

The scan tool displays Present or Not Present. Present is displayed if rear seat entertainment (RSE) is available.

Source Status

--

Off

The scan tool displays Off, Tuner, Cassette, CD, ICDX, DVD or DRR Tuner. This is the current radio source state.

Theft Armed

--

Learned VIN

The scan tool displays Learned VIN or No VIN. Learned VIN is displayed if the radio has the VIN stored in memory.

Theft Lock Status

--

Inactive

The scan tool displays Active or Inactive. This is the current state of the theft lock.

Total Cassette Hours

--

Varies

This displays Hrs. This is the total cassette hours.

Total CD Hours

--

Varies

This displays Hrs. This is the total CD hours.

Total Radio Hours

--

Varies

This displays Hrs. This is the total radio hours.

Volume Control

--

Varies

This displays Counts. This is the current volume measured in counts.

Radio Scan Tool Output Controls

Output Control

Description

Antenna

This output control is used to command the antenna.

Left Front Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Left Rear Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Right Front Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

Right Rear Speaker

Commanding the speaker ON will turn OFF all speakers except this speaker.

Commanding the speaker OFF will turn OFF all speakers.

VIN Relearn

This output control is used to program the vehicle identification number (VIN) into the radio.