Vehicle Buffered Power
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Mercury Sable, 2002 Mercury Mountaineer, 2002 Mercury Grand Marquis, 2002 Mercury Cougar, and 2002 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Vehicle Buffered Power (VBPWR) is a PCM supplied power source that supplies regulated voltage (10-14 volts) to Visctronic Drive Fan (VDF) Fan Speed Sensor (FANSS) under normal operating conditions. It regulates to VPWR minus 1.5 volts, and voltage output is limited to protect sensor. For additional VDF clutch information, see VISCTRONIC DRIVE FAN CLUTCH under OUTPUT SIGNALS.