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.

RemovalSpark plugs
Replacing spark plugs in your Subaru Ascent can be technically challenging due
to limited access and engine layout. For this reason, it is recommended to have
this service performed by a qualified SUBARU dealer.
Spark plugs should be replaced at the intervals specified in the "Warranty and ...
Inspection
LIGHTING SYSTEM > Hazard SwitchINSPECTION1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandard2 — 3Switch OFF1 M? or moreSwitch ONLess than 1 ?2. Apply battery voltage between the connector terminals to check the lighting ...
Installation of child restraint systems by use of lower and tether anchorages
(LATCH)
The Subaru Ascent is equipped with a modern LATCH (Lower Anchors and Tethers
for Children) system, designed to simplify the installation of child restraint systems
while ensuring maximum safety. Using the LATCH system in the Subaru Ascent allows
secure attachment without relying solely on seat ...