GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selection(s)

Description

A/C Relay

Engine Output Controls

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