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.

RemovalTrailer towing tips
CAUTION
On Subaru Ascent models equipped with BSD (Blind Spot Detection) and
RCTA (Rear Cross Traffic Alert), it is recommended to deactivate the "Rear Vehicle
Detection (BSD/RCTA)" function when towing a trailer. The presence of the trailer
may interfere with radar signals, r ...
Tire care - maintenance and safety practices
Check on a daily basis that the
tires are free from serious damage,
nails, and stones. At the same time,
check the tires for abnormal wear
Inspect the tire tread regularly
and replace the tires before their
tread wear indicators become visible.
When a tire's tread wear
indicator b ...
Dtc p0451 evap system (cpc) pressure sensor/switch circuit range/performance
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