Scan Tool Output Control  | Additional Menu Selection(s)  | Description  | 
|---|---|---|
Fans Low Speed  | Engine Output Controls  | The powertrain control module (PCM) energizes the cooling fan 1 relay when you select ON.  | 
Fans High Speed  | Engine Output Controls  | The PCM energizes the cooling fan 2 and 3 relays when you select ON.  |