transmission fluid sensor

It's in the transmission. You need to remove the valve body cover to access it. I have attached a pic for you to look at and help locate the part.

In your illustration, which side of motor was this taken from?

Hello,

It looks like the picture has taken from the front of the car here is the complete repair with additional diagrams to help you get the job done.

Remove the battery and the battery tray.
Remove the under cover (A).

Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.
Remove the valve body cover (A) and eyebolt (B).
Tightening torque:
(A) 12.8 - 14.7 N.m (1.3 - 1.5 kgf.m, 9.4 - 10.8 lb-ft)
(B) 34.3 - 44.1 N.m (3.5 - 4.5 kgf.m, 25.3 - 32.6 lb-ft)

CAUTION:
The gasket of the eyebolt use new one.

NOTE:
Remove installation bolts in the engine room first and then remove others under the vehicle.

Disconnect the oil temperature sensor connector (A).

Remove the oil temperature sensor (A) after removing a bolt.
Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

CAUTION:
Be careful not to damage the harness lock connector.

Installation

Installation is the reverse of removal.
CAUTION:
After replacement or reinstallation procedure of the valve body assembly, must perform procedures below.
Continue to apply liquid gasket at application points at the valve body cover with Ø2.5mm (0.0984in.) thickness. Liquid gasket Part name :
Threebond 1281B or LOCTITE FMD-546
Adding automatic transaxle fluid.


Please let us know if you need anything else to get the problem fixed.

Cheers, Ken