GM Service Manual Online
For 1990-2009 cars only
Table 1: BCM Scan Tool Output Controls
Table 2: Radio Scan Tool Output Controls

BCM Scan Tool Output Controls

Scan Tool Output Control

Additional Menu Selection(s)

Description

Display(s) Test

Miscellaneous Test

The BCM sends a command to the IPC via the serial peripheral interface (SPI) to set all gages to half scale and to turn on all indicators when you select On.

Radio Scan Tool Output Controls

Scan Tool Output Control

Additional Menu Selection(s)

Description

Chime Tone Test

Output Control

The radio activates an audible warning when you select On.