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:

Removal
CAUTION:Brake fluid spilled on the vehicle body will harm the paint surface; therefore, wash it off with water and wipe clean quickly if spilled.1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the clip (A) from the air intake boot.3. Loosen the clamp (B) connecting the air inta ...