Subaru LEGACY 2002 Quick Reference Index page 596

Instrumentation/Driver Info
F: VEHICLE SPEED SENSOR
The vehicle speed sensor uses a Hall IC pick-up to generate speed signals. (MT model)
This sensor is installed on the transmission case and detects rotating speed of the transmission
output gear.
The sensor generates 4 pulses per rotation of the speed sensor driven shaft and send them to the
speedometer.
1. CONSTRUCTION
The speed sensor mainly consists of a Hall IC, magnet ring, driven shaft and spring.
(1) Upper case
(2) O-ring
(3) Magnet ring
COMBINATION METER
(4) Driven key
(5) Lower case
(6) Driven shaft
IDI-12
(7) Rivet
(8) Hall IC
B6H0911B