Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Continuously variable transmission(tr690) / Front wheel speed sensor / Inspection

1. Remove the bulkhead harness connector from TCM. Transmission Control Module (TCM) > REMOVAL

2. Set the ST between the TCM and bulkhead harness.

ST 18460AA040

CHECK BOARD

3. Set the probe of oscilloscope to the check board connector.

Terminals:

No. 12 (+) — No. 26 (−)

(A)	+ probe
(B)	− probe

4. Lift up the vehicle and raise the vehicle speed up to 20 km/h (12 MPH).

5. 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.

Removal

CAUTION:• Be sure to prevent water or oil from contacting the connector terminal of front wheel speed sensor. If adhesion occurs, replace with a new part.• When removing front wheel speed ...

Installation

CAUTION:• Be sure to prevent water or oil from contacting the connector terminal of front wheel speed sensor. If adhesion occurs, replace with a new part.• After installing the front wheel ...

Other materials:

Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS41099AJ010SPECIAL TOOL H6• Used for removing and installing transmission.• For H6 engine.18360AA020HANGER• Used for removing and installing transmission.• For H6 engine.18801AA000OIL PRESSURE GAUGE ASSYUsed for measur ...