Toyota KUN26L-P series Owner's Manual page 238

ENGINE OIL SELECTION
Gasoline engine—
"Toyota Genuine Motor Oil" is used in
your Toyota vehicle. Use Toyota approved
"Toyota Genuine Motor Oil" or equivalent
to satisfy the following
viscosity.
Oil grade:
20W−50 and 15W−40—
API grade SJ or SL multigrade
engine oil
10W−30 and 5W−30—
API grade SJ "Energy−Conserving",
SL "Energy−Conserving" or ILSAC
multigrade engine oil
Recommended viscosity (SAE):
Temperature range anticipated before
next oil change
If you use SAE 10W−30 or a higher
viscosity engine oil in extremely low
temperatures, the engine may become
difficult to start, so SAE 5W−30 engine
oil is recommended.
grade and
API service symbol
ILSAC certification mark
231