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.

RemovalFuel requirements
The Subaru Ascent engine is engineered to operate efficiently on unleaded gasoline
with an octane rating of at least 87 AKI (90 RON). Using the correct fuel ensures
optimal performance, fuel economy, and engine longevity.
NOTE
When towing with the Subaru Ascent, it is advisable to use higher-o ...
Dtc u0100 lost communication with ecm/pcm a
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”Detected when CAN data from ECM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
Note
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Air Conditioning SystemNOTEFor procedure of each component in the air conditioning system, refer to the respective section.• Blower motor unit assembly: Blower Motor Unit Assembly">• Blower motor: Blower Motor">• Power ...