The Motronic electronic transmission control is being discussed. Technician A says it momentarily retards ignition timing during transmission shifting. Technician B says the PCM controls the automatic transmission's shift points using spool-type shift valves. Who is correct?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because the Motronic system can momentarily retard ignition timing to smooth out shifts. Technician B is incorrect because modern PCM systems use solenoids, not spool-type shift valves, to control shift points.

The Motronic Electronic Transmission Control Is Being Discussed