Front Wheel Speed Sensor: Inspection

WARNING: This page is about a different variant/trim than selected.

Remove the bulkhead harness connector from TCM. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION CONTROL MODULE (TCM)>REMOVAL .
Set the ST between the TCM and bulkhead harness.

ST 18460AA040 CHECK BOARD
Set the probe of oscilloscope to the check board connector.
Terminals:

No. 12 (+) - No. 26 (-)

Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle and raise the vehicle speed up to 20 km/h (12 MPH).
Check the waveform of front wheel speed sensor when vehicle speed is at 20 km/h (12 MPH).
NOTE: The waveform cycle changes as the speed changes.

Courtesy of SUBARU OF AMERICA, INC.