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Home >> Chevrolet >> 2005 >> Uplander Base, Van Cargo Extended >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnostic Information And Procedures >> Scan Tool Output Controls
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Scan Tool Output Controls

PCM Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
Fans Low Speed Engine Output Controls The 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.