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Home >> Cadillac >> 1990 >> Allante F7/ME9 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Computer Module >> Diagnostic Tests >> BCM DTC B119: Twilight Photocell Circuit >> Conditions For Setting Code
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Conditions For Setting Code

B119 will set if the ignition is on and the signal voltage indicates more than 98% (open circuit) or less than 3 % (short circuit). During the time the failure is present, a substitute light reading (indicating darkness) will be implemented to allow continued operation of the headlamps The measure of light reading BD44 will however, display the actual sensor reading.