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:

Adjustment
CAUTION:• Do not rotate the roll connector to more than the specified number of turns. Otherwise, the roll connector internal wire may be broken.• When determining the end stop, rotate the connector slowly without applying excessive force. Applying excessive force at the end stop may bre ...