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.

RemovalInspection
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Front Oxygen (A/F) SensorINSPECTION1. Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.2. Measure the resistance between front oxygen (A/F) sensor terminals.Terminal No.Standard1 and 22.0+0.42 −0.2 ? (when 20� ...
What to do if
Troubleshooting
If there is a problem with the hands-free system or a Bluetooth device, first
check the table below.
When using the hands-free system with a Bluetooth device
Symptom
Likely cause
Solution
The hands-free system or Bluetooth
device does not work.
The co ...
Engine oil
CAUTION
If the oil level gauge in your Subaru Ascent does not slide out easily,
gently rotate it left and right before pulling. Applying excessive force may
lead to sudden release and possible injury.
Always use engine oil that meets the recommended grade and viscosity
specified for t ...