GM Service Manual Online
For 1990-2009 cars

Engine Control Module (ECM) Scan Tool Output Controls 2.2L (L61) only

Scan Tool Output Control

Additional Menu Selection(s)

Description

Fan Relay

Engine Output Controls

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