Scan Tool Output Controls
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) Scan Tool Output Controls LX9/3.5L only
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Fans Low Speed | Fan Relays | The scan tool displays a Commanded State of Off or On. This allows you to communicate with the powertrain control module (PCM) and activate or deactivate the cooling fan 1 relay, manually turning the low speed fans On and Off. |
| Fans High Speed | Fan Relays | The scan tool displays a Commanded State of Off or On. This allows you to communicate with the PCM to activate or deactivate the cooling fan 1 relay, manually turning the low speed fans On. After a 3 second delay the PCM will activate the cooling fan S/P relay and the cooling fan 2 relay. This turns the high speed fans On and Off. |