Escort L4-110 1.8L DOHC (1994)
Transmission Speed Sensor: Description and Operation
Pulse Signal Generator
DESCRIPTION
The Pulse Signal Generator (PSG) is a magnetic-pickup and is located on the transaxle case.
OPERATION
It detects the reverse clutch drum speed. There are 32 projections on the reverse clutch drum. As the reverse clutch drum rotates, the PSG
produces an AC wave and sends it to the Powertrain Control Module (PCM).
