GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module (PCM) Scan Tool Output Controls -- 2.2L (L61), 2.2 (LN2), 2.4L (LD9)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Fan Control 1

Fan Relay

The scan tool displays a Commanded State of None, Off or On. This allows you to communicate with the PCM and activate or deactivate the cooling fan relay, manually turning the fans On and Off.