To test the photo cell, use a scan tool or a DMM to measure the ____ of the photo cell signal circuit to the BCM.
A) resistance
B) current
C) voltage
D) amperage

Question

Quizplus · Accepted Answer

Photo cells are typically used as a sensor for light levels, which is a type of analog signal that can be measured in voltage. Therefore, measuring the voltage of the photo cell signal circuit is the best way to test its functionality.

To Test the Photo Cell, Use a Scan Tool or a DMM