Which of the following is NOT true about a quartz analog speedometer system?
A) The signal from the PM generator is a DC frequency.
B) The signal from the vehicle speed sensor is modified by the VSS buffer.
C) This system uses an A/D converter.
D) The signal from the vehicle speed sensor is an AC voltage.

Question

Quizplus · Accepted Answer

The signal from the PM (Permanent Magnet) generator in a quartz analog speedometer system is an AC frequency, not a DC frequency. This is because the output of a PM generator varies with the speed of the vehicle, producing an alternating current (AC) signal that reflects the vehicle's speed.

Which of the Following Is NOT True About a Quartz