GM Service Manual Online
For 1990-2009 cars only

PCM Scan Tool Output Controls

Scan Tool Output Control

Additional Menu Selection(s)

Description

After Blow Relay

Output Controls

The scan tool displays ON and OFF selections. This command allows you to turn the After Blow relay On or Off. When the A/C relay is commanded On, the A/C Compressor clutch should be engaged. After Blow is a dealer enabled option.

A/C Relay

Engine Output Controls

The scan tool displays ON or OFF selections. This command allows you to turn the A/C relay On or Off. When the A/C relay is commanded On, the A/C compressor clutch should be engaged.