Technician A says that the PCM will compare the input shaft speed to the output shaft speed to determine gear ratio. Technician B says that the PCM will compare the input shaft speed sensor to the output shaft speed sensor to test for a slipping component or clutch. Who is correct?
A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question

Quizplus · Accepted Answer

Both technicians are correct. The PCM uses input and output shaft speed sensors to determine the gear ratio and to check for slipping components or clutches by comparing the speeds.

Technician a Says That the PCM Will Compare the Input