GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Controls for Oldsmobile Bravada 2001

HVAC Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Rear Defogger

Miscellaneous Test

The HVAC Control Module actuates the RR DEFOG relay for 5 seconds. The rear defogger should be active for 5 seconds.