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Home >> Pontiac >> 2005 >> G6 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (Engine Cooling System) >> Diagnostic Information and Procedures >> Scan Tool Output Controls
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Scan Tool Output Controls

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
Fan Relay 1 Cooling Fan Commands the FAN LO relay ON and OFF. Both cooling fans will activate on low speed.
Fan Relays 2 and 3 Cooling Fan Commands the FAN CNTRL and FAN HI relays ON and OFF. The driver side fan will be OFF. The passenger side fan will activate on high speed.
Fan Relays 1, 2, and 3 Cooling Fan Commands the FAN LO, FAN HI, and FAN CNTRL relays ON and OFF. Both fans will activate on high speed.
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