M/T
Raise the vehicle on a lift.
Disconnect the output shaft (countershaft) speed sensor connector (A).

Remove the output shaft (countershaft) speed sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).
List of Categories
* Stored in “Fav. Subcategory” by factory default. ...
If the Low Oil Pressure Indicator Comes On
■ Reasons for the indicator to come on
Comes on when the engine oil pressure is low.
■ What to do as soon as the indicator comes on
1. Immediately park the vehicle in a safe place.
...
Under-Cowl Panel Replacement
NOTE: Take care not to scratch the body.
Remove these items:
Windshield wiper arms
Cowl cover
Remove the bolts, then remove the under-cowl panel ...