CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Secondary Speed Sensor
INSPECTION
1. Set the ST between the TCM and bulkhead harness.
| ST 18460AA040 | CHECK BOARD |
2. Set the probe of oscilloscope to the check board connector.
Connector & terminal
No. 13 (+) — No. 42 (−):

(A) | + probe |
(B) | − probe |
3. Start and warm up the engine.
4. Lift up the vehicle.
CAUTION:
Lift up the vehicle until the tire bottom is 0.3 m (0.98 ft) or more above the ground.
5. Shift the select lever to “D” range.
6. Check the waveform and output voltage of the secondary speed sensor with engine idling.
NOTE:
The waveform cycle changes as the speed changes.

RemovalTowing
If towing your Subaru Ascent becomes necessary, it is strongly recommended to
rely on an authorized SUBARU dealer or a professional towing service. Always follow
the correct procedures to ensure safety and prevent drivetrain damage.
WARNING
Never tow AWD versions of the Subaru Ascent with ...
Removal
EXTERIOR/INTERIOR TRIM > Roof TrimREMOVAL1. CROSSTREK MODELCAUTION:• Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">• Airbag system satellite s ...
Dtc b1623 side airbag sensor rh initialization error
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1623 SIDE AIRBAG SENSOR RH INITIALIZATION ERRORDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Open or short circuit in harness of side sensor bus (RH)• Side airbag sensor (RH) an ...