Civic Wagon 2WD L4-1488cc 1.5L SOHC (EW1) 3V Carb (1986)
Fig. 77 Speed sensor.
The speed sensor, Figs. 75, 76 and 77, is essentially a photo interrupter and is mounted in the speedometer. It is activated at a predetermined vehicle
speed by a sealed plate rotating with the speedometer shaft.