High Beam Input - Range 0 - 16 V
The Body Function Controller (BFC) uses this input in determining the state of the high beam Headlamps. A single wire input which monitors the high beam lamp voltage. On a known good car, with High Beams off, the scan tool displayed value should be battery system voltage. Refer to Battery Voltage. Battery Voltage - Range 0 - 25.5 VOn a known good car, with High Beams On, the scan tool display value should be 0% (0 volts) to 16% of battery system voltage.