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

Subaru Legacy BN/BS (2015-2019) Service Manual / Continuously variable transmission(tr690) / Secondary 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. 13 (+) — No. 26 (−)

(A)	+ probe
(B)	− probe

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.

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:

Replacement
1. Remove the pocket assembly. Glove Box > REMOVAL2. Remove the A/C filter.(1) Release the lock and remove the A/C filter cover.(2) Remove the A/C filter.NOTE:Pull out slowly so that foreign materials attached to the filter do not fall into the filter insertion part.3. Install a new A/C filter.4. I ...