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Scan Tool Output Controls

Powertrain Control Module (PCM) Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
Fans Low Speed Fan Relays 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 1 relay, manually turning the low speed fans On and Off.
Fans High Speed Fan Relays The scan tool displays a Commanded State of None, 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 2 relay and the cooling fan 3 relay. This turns the high speed fans On and Off.
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