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. 13 (+) — No. 26 (−)
4. Start and warm up the engine. 5. Check the waveform of secondary speed sensor with engine idling. 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 secondary speed sensor. If adhesion occurs, replace with a new part.1. Remove the transmission from the vehicle. Auto ...
Installation
CAUTION:Be sure to prevent water or oil from contacting the connector terminal of secondary speed sensor. If adhesion occurs, replace with a new part.1. Install the secondary speed sensor.NOTE:• ...
Other materials:
Dtc p0131 a/f / o2 sensor circuit low voltage bank 1 sensor 1
DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.WIRING DIAGRAM:• Engine Electrical System ENGINE TYPE FB (WITHOUT PUSH BUTTON ST ...