I had to replace the battery on my 2015 EX-L V6 this past weekend. While doing so I noticed that the positive terminal connector is somewhat corroded (I cleaned it up as best I could) and also very flimsy. Nonetheless everything seems to be working OK. If the tested voltage from the battery post is the same as from the connector, can I safely assume that I have adequate contact?
If you want to really measure the tightness of the connection for a good electrical connection, place one of the voltage probes (+) of the DVM on the post itself and the other voltage probe (-) of the DVM on the terminal connector (stamped metal clamp).
What you are doing is measuring the voltage drop across that connection.
If it's tight connection it will measure 0.1 volts DC or less, but if it exceeds about 0.4-0.5 VDC there is a higher resistance present and therefore indicates a loose connection. EDIT: You'll need a load on the battery and turning on the headlights is a good load. Engine not necessarily running either. The headlights cause current to be drawn through the connection.
You can do this on either posts/clamp of the battery. It works for connectors and ground points throughout the car.
If you care too, loosen the clamp and allow it to loosely clamp the post (movement is evident on the clamp) and measure again.
You'll find you don't need to gorilla the clamp on the post to get it to measure 0.1 vdc or less.
Finally, to answer your question, YES if both points you probe measure the same you are golden.