Without A Subaru Select Monitor
PROCEDUREA/T OIL TEMP INDICATOR LIGHT OUTPUT
When any on-board diagnostic item is malfunctioning, the display on the AT OIL TEMP indicator blinks immediately after the engine starts. The malfunctioning part or unit can be determined by a trouble code during on-board diagnostic operation. Problems which occurred previously can also be identified through the memory function.
If the AT OIL TEMP indicator does not show a problem (although a problem is occurring), the problem can be determined by checking the performance characteristics of each sensor using the Select Monitor. indicator signal is as shown in the figure.
NOTE: Warning can be noticed only when the engine is initially started.
HOW TO READ TROUBLE CODES FROM THE A/T OIL TEMP LIGHT