Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection
1. Remove the bulkhead harness connector from TCM. Transmission Control Module (TCM) > REMOVAL 2. Set the ST between the TCM and bulkhead harness.
3. Set the probe of oscilloscope to the check board connector. Terminals: No. 12 (+) — No. 26 (−)
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.
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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:
Precautions in trouble diagnosis and repair of electric parts
1. Always refer to “CAUTION” and “NOTE” of “General Description” in the same models service manual before starting the diagnostics and repair.2. Always refer to the cautions of each section when diagnosing and repairing each system and component.3. The battery cab ...
