CONTROL SYSTEMS > General Diagnostic Table
INSPECTION
Symptoms | Possible cause | Corrective action |
Select lever | Starter does not run. | Adjust the select cable and inhibitor switch, or inspect the circuit. |
Back-up light does not illuminate. | Adjust the select cable and inhibitor switch, or inspect the circuit. | |
AT shift lock system does not operate normally. | Adjust the select cable and inhibitor switch, or inspect the circuit. | |
Manual mode can not be set. | Inspect the mode switch and select lever, or inspect the circuit. | |
Up-shift is not engaged at manual mode. | Check the shift-up switch and circuit. | |
Down-shift is not engaged at manual mode. | Check the shift-down switch and circuit. |
Body integrated unit Note
Cooling(h4do)Tire pressure monitoring system (TPMS) (U.S.-spec. models)
The tire pressure monitoring system (TPMS) in the Subaru Ascent is designed to
continuously monitor tire pressure and alert the driver when one or more tires are
significantly underinflated. This system enhances safety by helping to reduce the
risk of tire-related incidents and ensuring op ...
Replacement
SECURITY AND LOCKS > Access KeyREPLACEMENT1. ACCESS KEY REGISTRATIONNOTE:• A maximum of seven access keys can be registered for each individual vehicle.• When replacing or adding an access key, new registration of the access key is necessary.• When the access key has been newly ...
Spark 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 ...