GM Service Manual Online
For 1990-2009 cars only
Table 1: Radio Scan Tool Output Control
Table 2: Vehicle Communication Interface Module (VCIM)

Radio Scan Tool Output Control

Scan Tool Output Control

Additional Menu Selection(s)

Description

Left Front Speaker

Front Speakers

Commanding the speaker ON will turn off all speakers except this speaker (including door tweeter if equipped).

Commanding the speaker OFF will turn off all speakers.

Right Front Speaker

Front Speakers

Commanding the speaker ON will turn off all speakers except this speaker (including door tweeter if equipped).

Commanding the speaker OFF will turn off all speakers.

Left Rear Speaker

Rear Speakers

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

Commanding the speaker OFF will turn off all speakers.

Right Rear Speaker

Rear Speakers

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

Commanding the speaker OFF will turn off all speakers.

Program Vin

--

This function is used to clear radio theft information and learn a new VIN.

Vehicle Communication Interface Module (VCIM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Green LED

--

The VCIM illuminates the green LED on the inside rearview mirror when ON is selected.

Phone Call Test

--

When ON is selected VCIM commands OnStar to connect to OnStar Center.

Red LED

--

The VCIM illuminates the red LED on the inside rearview mirror when ON is selected.